diff options
164 files changed, 1203 insertions, 764 deletions
diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX index f607367e642..c17cd4bb229 100644 --- a/Documentation/00-INDEX +++ b/Documentation/00-INDEX @@ -206,8 +206,8 @@ laptops/ - directory with laptop related info and laptop driver documentation. ldm.txt - a brief description of LDM (Windows Dynamic Disks). -leds-class.txt - - documents LED handling under Linux. +leds/ + - directory with info about LED handling under Linux. local_ops.txt - semantics and behavior of local atomic operations. lockdep-design.txt diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-kone b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kone index b4c4f158ab9..3ca3971109b 100644 --- a/Documentation/ABI/testing/sysfs-driver-hid-roccat-kone +++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kone @@ -40,7 +40,7 @@ What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid- Date: March 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the - press of a button. A profile holds informations like button + press of a button. A profile holds information like button mappings, sensitivity, the colors of the 5 leds and light effects. When read, these files return the respective profile. The diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-koneplus b/Documentation/ABI/testing/sysfs-driver-hid-roccat-koneplus index 00efced7396..326e05452da 100644 --- a/Documentation/ABI/testing/sysfs-driver-hid-roccat-koneplus +++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-koneplus @@ -33,7 +33,7 @@ Date: August 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_buttons holds informations about button layout. + profile_buttons holds information about button layout. When written, this file lets one write the respective profile buttons back to the mouse. The data has to be 77 bytes long. The mouse will reject invalid data. @@ -47,7 +47,7 @@ Date: August 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_buttons holds informations about button layout. + profile_buttons holds information about button layout. When read, these files return the respective profile buttons. The returned data is 77 bytes in size. This file is readonly. @@ -58,7 +58,7 @@ Date: October 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_settings holds informations like resolution, sensitivity + profile_settings holds information like resolution, sensitivity and light effects. When written, this file lets one write the respective profile settings back to the mouse. The data has to be 43 bytes long. @@ -73,7 +73,7 @@ Date: August 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_settings holds informations like resolution, sensitivity + profile_settings holds information like resolution, sensitivity and light effects. When read, these files return the respective profile settings. The returned data is 43 bytes in size. diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus index fdfa16f8189..20f937c9d84 100644 --- a/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus +++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus @@ -52,7 +52,7 @@ Date: January 2011 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_buttons holds informations about button layout. + profile_buttons holds information about button layout. When written, this file lets one write the respective profile buttons back to the mouse. The data has to be 23 bytes long. The mouse will reject invalid data. @@ -66,7 +66,7 @@ Date: January 2011 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_buttons holds informations about button layout. + profile_buttons holds information about button layout. When read, these files return the respective profile buttons. The returned data is 23 bytes in size. This file is readonly. @@ -77,7 +77,7 @@ Date: January 2011 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_settings holds informations like resolution, sensitivity + profile_settings holds information like resolution, sensitivity and light effects. When written, this file lets one write the respective profile settings back to the mouse. The data has to be 16 bytes long. @@ -92,7 +92,7 @@ Date: January 2011 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_settings holds informations like resolution, sensitivity + profile_settings holds information like resolution, sensitivity and light effects. When read, these files return the respective profile settings. The returned data is 16 bytes in size. diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-pyra b/Documentation/ABI/testing/sysfs-driver-hid-roccat-pyra index 5fab71af3c4..3f8de50e4ff 100644 --- a/Documentation/ABI/testing/sysfs-driver-hid-roccat-pyra +++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-pyra @@ -39,7 +39,7 @@ Date: August 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_settings holds informations like resolution, sensitivity + profile_settings holds information like resolution, sensitivity and light effects. When written, this file lets one write the respective profile settings back to the mouse. The data has to be 13 bytes long. @@ -54,7 +54,7 @@ Date: August 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_settings holds informations like resolution, sensitivity + profile_settings holds information like resolution, sensitivity and light effects. When read, these files return the respective profile settings. The returned data is 13 bytes in size. @@ -66,7 +66,7 @@ Date: August 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_buttons holds informations about button layout. + profile_buttons holds information about button layout. When written, this file lets one write the respective profile buttons back to the mouse. The data has to be 19 bytes long. The mouse will reject invalid data. @@ -80,7 +80,7 @@ Date: August 2010 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: The mouse can store 5 profiles which can be switched by the press of a button. A profile is split in settings and buttons. - profile_buttons holds informations about button layout. + profile_buttons holds information about button layout. When read, these files return the respective profile buttons. The returned data is 19 bytes in size. This file is readonly. diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop index 41ff8ae4dee..cd9d667c3da 100644 --- a/Documentation/ABI/testing/sysfs-platform-asus-laptop +++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop @@ -27,7 +27,7 @@ KernelVersion: 2.6.20 Contact: "Corentin Chary" <corentincj@iksaif.net> Description: Some models like the W1N have a LED display that can be - used to display several informations. + used to display several items of information. To control the LED display, use the following : echo 0x0T000DDD > /sys/devices/platform/asus_laptop/ where T control the 3 letters display, and DDD the 3 digits display. diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt index cbdfb7d9455..aedf1bd02fd 100644 --- a/Documentation/cgroups/cgroups.txt +++ b/Documentation/cgroups/cgroups.txt @@ -110,22 +110,22 @@ university server with various users - students, professors, system tasks etc. The resource planning for this server could be along the following lines: - CPU : Top cpuset + CPU : "Top cpuset" / \ CPUSet1 CPUSet2 - | | - (Profs) (Students) + | | + (Professors) (Students) In addition (system tasks) are attached to topcpuset (so that they can run anywhere) with a limit of 20% - Memory : Professors (50%), students (30%), system (20%) + Memory : Professors (50%), Students (30%), system (20%) - Disk : Prof (50%), students (30%), system (20%) + Disk : Professors (50%), Students (30%), system (20%) Network : WWW browsing (20%), Network File System (60%), others (20%) / \ - Prof (15%) students (5%) + Professors (15%) students (5%) Browsers like Firefox/Lynx go into the WWW network class, while (k)nfsd go into NFS network class. diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt index 55fd2623445..50619a0720a 100644 --- a/Documentation/devicetree/booting-without-of.txt +++ b/Documentation/devicetree/booting-without-of.txt @@ -138,7 +138,7 @@ and properties to be present. This will be described in detail in section III, but, for example, the kernel does not require you to create a node for every PCI device in the system. It is a requirement to have a node for PCI host bridges in order to provide interrupt -routing informations and memory/IO ranges, among others. It is also +routing information and memory/IO ranges, among others. It is also recommended to define nodes for on chip devices and other buses that don't specifically fit in an existing OF specification. This creates a great flexibility in the way the kernel can then probe those and match @@ -385,7 +385,7 @@ struct boot_param_header { among others, by kexec. If you are on an SMP system, this value should match the content of the "reg" property of the CPU node in the device-tree corresponding to the CPU calling the kernel entry - point (see further chapters for more informations on the required + point (see further chapters for more information on the required device-tree contents) - size_dt_strings @@ -553,7 +553,7 @@ looks like in practice. This tree is almost a minimal tree. It pretty much contains the minimal set of required nodes and properties to boot a linux kernel; -that is, some basic model informations at the root, the CPUs, and the +that is, some basic model information at the root, the CPUs, and the physical memory layout. It also includes misc information passed through /chosen, like in this example, the platform type (mandatory) and the kernel command line arguments (optional). diff --git a/Documentation/dvb/udev.txt b/Documentation/dvb/udev.txt index 68ee224b6aa..412305b7c55 100644 --- a/Documentation/dvb/udev.txt +++ b/Documentation/dvb/udev.txt @@ -1,7 +1,7 @@ The DVB subsystem currently registers to the sysfs subsystem using the "class_simple" interface. -This means that only the basic informations like module loading parameters +This means that only the basic information like module loading parameters are presented through sysfs. Other things that might be interesting are currently *not* available. diff --git a/Documentation/edac.txt b/Documentation/edac.txt index 9ee774de57c..ccc07c28967 100644 --- a/Documentation/edac.txt +++ b/Documentation/edac.txt @@ -311,7 +311,7 @@ Total Correctable Errors count attribute file: 'ce_noinfo_count' This attribute file displays the number of CEs that - have occurred wherewith no informations as to which DIMM slot + have occurred wherewith no information as to which DIMM slot is having errors. Memory is handicapped, but operational, yet no information is available to indicate which slot the failing memory is in. This count field should be also diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index c357a31411c..d2b515000e4 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1832,15 +1832,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted. perfmon on Intel CPUs instead of the CPU specific event set. - oops=panic Always panic on oopses. Default is to just kill the process, - but there is a small probability of deadlocking the machine. + oops=panic Always panic on oopses. Default is to just kill the + process, but there is a small probability of + deadlocking the machine. This will also cause panics on machine check exceptions. Useful together with panic=30 to trigger a reboot. OSS [HW,OSS] See Documentation/sound/oss/oss-parameters.txt - panic= [KNL] Kernel behaviour on panic + panic= [KNL] Kernel behaviour on panic: delay <timeout> + seconds before rebooting Format: <timeout> parkbd.port= [HW] Parallel port number the keyboard adapter is @@ -2343,6 +2345,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. softlockup_panic= [KNL] Should the soft-lockup detector generate panics. + Format: <integer> sonypi.*= [HW] Sony Programmable I/O Control Device driver See Documentation/sonypi.txt @@ -2475,8 +2478,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted. topology= [S390] Format: {off | on} Specify if the kernel should make use of the cpu - topology informations if the hardware supports these. - The scheduler will make use of these informations and + topology information if the hardware supports this. + The scheduler will make use of this information and e.g. base its process migration decisions on it. Default is on. @@ -2529,8 +2532,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. reported either. unknown_nmi_panic - [X86] - Set unknown_nmi_panic=1 early on boot. + [X86] Cause panic on unknown NMI. usbcore.autosuspend= [USB] The autosuspend time delay (in seconds) used diff --git a/Documentation/kmemleak.txt b/Documentation/kmemleak.txt index 34f6638aa5a..090e6ee0453 100644 --- a/Documentation/kmemleak.txt +++ b/Documentation/kmemleak.txt @@ -11,6 +11,7 @@ with the difference that the orphan objects are not freed but only reported via /sys/kernel/debug/kmemleak. A similar method is used by the Valgrind tool (memcheck --leak-check) to detect the memory leaks in user-space applications. +Kmemleak is supported on x86, arm, powerpc, sparc, sh, microblaze and tile. Usage ----- @@ -178,5 +179,4 @@ block doesn't need to be freed (some cases in the init_call functions), the pointer is calculated by other methods than the usual container_of macro or the pointer is stored in a location not scanned by kmemleak. -Page allocations and ioremap are not tracked. Only the ARM and x86 -architectures are currently supported. +Page allocations and ioremap are not tracked. diff --git a/Documentation/laptops/asus-laptop.txt b/Documentation/laptops/asus-laptop.txt index c1c5be84e4b..803e51f6768 100644 --- a/Documentation/laptops/asus-laptop.txt +++ b/Documentation/laptops/asus-laptop.txt @@ -61,7 +61,7 @@ Usage Hotkeys are also reported as input keys (like keyboards) you can check which key are supported using "xev" under X11. - You can get informations on the version of your DSDT table by reading the + You can get information on the version of your DSDT table by reading the /sys/devices/platform/asus-laptop/infos entry. If you have a question or a bug report to do, please include the output of this entry. @@ -178,7 +178,7 @@ LED display ----------- Some models like the W1N have a LED display that can be used to display - several informations. + several items of information. LED display works for the following models: W1000N diff --git a/Documentation/leds/00-INDEX b/Documentation/leds/00-INDEX new file mode 100644 index 00000000000..29f481df32c --- /dev/null +++ b/Documentation/leds/00-INDEX @@ -0,0 +1,8 @@ +leds-class.txt + - documents LED handling under Linux. +leds-lp3944.txt + - notes on how to use the leds-lp3944 driver. +leds-lp5521.txt + - notes on how to use the leds-lp5521 driver. +leds-lp5523.txt + - notes on how to use the leds-lp5523 driver. diff --git a/Documentation/leds-class.txt b/Documentation/leds/leds-class.txt index 58b266bd184..4996586e27e 100644 --- a/Documentation/leds-class.txt +++ b/Documentation/leds/leds-class.txt @@ -95,4 +95,3 @@ There are a number of cases where a trigger might only be mappable to a particular LED (ACPI?). The addition of triggers provided by the LED driver should cover this option and be possible to add without breaking the current interface. - diff --git a/Documentation/leds-lp3944.txt b/Documentation/leds/leds-lp3944.txt index c6eda18b15e..c6eda18b15e 100644 --- a/Documentation/leds-lp3944.txt +++ b/Documentation/leds/leds-lp3944.txt diff --git a/Documentation/networking/batman-adv.txt b/Documentation/networking/batman-adv.txt index 18afcd8afd5..ee496eb2f4a 100644 --- a/Documentation/networking/batman-adv.txt +++ b/Documentation/networking/batman-adv.txt @@ -72,7 +72,7 @@ folder: # fragmentation gw_sel_class vis_mode -There is a special folder for debugging informations: +There is a special folder for debugging information: # ls /sys/kernel/debug/batman_adv/bat0/ # gateways socket transtable_global vis_data diff --git a/Documentation/s390/Debugging390.txt b/Documentation/s390/Debugging390.txt index 86f9f74b2b3..efe998becc5 100644 --- a/Documentation/s390/Debugging390.txt +++ b/Documentation/s390/Debugging390.txt @@ -2273,7 +2273,7 @@ IP forwarding is on. There is a lot of useful info in here best found by going in & having a look around, so I'll take you through some entries I consider important. -All the processes running on the machine have there own entry defined by +All the processes running on the machine have their own entry defined by /proc/<pid> So lets have a look at the init process cd /proc/1 diff --git a/Documentation/scheduler/sched-domains.txt b/Documentation/scheduler/sched-domains.txt index 373ceacc367..b7ee379b651 100644 --- a/Documentation/scheduler/sched-domains.txt +++ b/Documentation/scheduler/sched-domains.txt @@ -1,8 +1,7 @@ -Each CPU has a "base" scheduling domain (struct sched_domain). These are -accessed via cpu_sched_domain(i) and this_sched_domain() macros. The domain +Each CPU has a "base" scheduling domain (struct sched_domain). The domain hierarchy is built from these base domains via the ->parent pointer. ->parent -MUST be NULL terminated, and domain structures should be per-CPU as they -are locklessly updated. +MUST be NULL terminated, and domain structures should be per-CPU as they are +locklessly updated. Each scheduling domain spans a number of CPUs (stored in the ->span field). A domain's span MUST be a superset of it child's span (this restriction could @@ -26,11 +25,26 @@ is treated as one entity. The load of a group is defined as the sum of the load of each of its member CPUs, and only when the load of a group becomes out of balance are tasks moved between groups. -In kernel/sched.c, rebalance_tick is run periodically on each CPU. This -function takes its CPU's base sched domain and checks to see if has reached -its rebalance interval. If so, then it will run load_balance on that domain. -rebalance_tick then checks the parent sched_domain (if it exists), and the -parent of the parent and so forth. +In kernel/sched.c, trigger_load_balance() is run periodically on each CPU +through scheduler_tick(). It raises a softirq after the next regularly scheduled +rebalancing event for the current runqueue has arrived. The actual load +balancing workhorse, run_rebalance_domains()->rebalance_domains(), is then run +in softirq context (SCHED_SOFTIRQ). + +The latter function takes two arguments: the current CPU and whether it was idle +at the time the scheduler_tick() happened and iterates over all sched domains +our CPU is on, starting from its base domain and going up the ->parent chain. +While doing that, it checks to see if the current domain has exhausted its +rebalance interval. If so, it runs load_balance() on that domain. It then checks +the parent sched_domain (if it exists), and the parent of the parent and so +forth. + +Initially, load_balance() finds the busiest group in the current sched domain. +If it succeeds, it looks for the busiest runqueue of all the CPUs' runqueues in +that group. If it manages to find such a runqueue, it locks both our initial +CPU's runqueue and the newly found busiest one and starts moving tasks from it +to our runqueue. The exact number of tasks amounts to an imbalance previously +computed while iterating over this sched domain's groups. *** Implementing sched domains *** The "base" domain will "span" the first level of the hierarchy. In the case diff --git a/Documentation/scsi/sym53c8xx_2.txt b/Documentation/scsi/sym53c8xx_2.txt index 6f63b798967..6af8f7a7770 100644 --- a/Documentation/scsi/sym53c8xx_2.txt +++ b/Documentation/scsi/sym53c8xx_2.txt @@ -285,7 +285,7 @@ from the driver. 7. Profiling information -This driver does not provide profiling informations as did its predecessors. +This driver does not provide profiling information as did its predecessors. This feature was not this useful and added complexity to the code. As the driver code got more complex, I have decided to remove everything that didn't seem actually useful. diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 3c1eddd9fcc..181ba5b87ce 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -2229,7 +2229,7 @@ Proc interfaces (/proc/asound) /proc/asound/card#/pcm#[cp]/oss ------------------------------- - String "erase" - erase all additional informations about OSS applications + String "erase" - erase all additional information about OSS applications String "<app_name> <fragments> <fragment_size> [<options>]" <app_name> - name of application with (higher priority) or without path diff --git a/Documentation/sound/oss/AudioExcelDSP16 b/Documentation/sound/oss/AudioExcelDSP16 index c0f08922993..e0dc0641b48 100644 --- a/Documentation/sound/oss/AudioExcelDSP16 +++ b/Documentation/sound/oss/AudioExcelDSP16 @@ -1,10 +1,10 @@ Driver ------ -Informations about Audio Excel DSP 16 driver can be found in the source +Information about Audio Excel DSP 16 driver can be found in the source file aedsp16.c Please, read the head of the source before using it. It contain useful -informations. +information. Configuration ------------- @@ -68,7 +68,7 @@ Sound cards supported This driver supports the SC-6000 and SC-6600 based Gallant's sound card. It don't support the Audio Excel DSP 16 III (try the SC-6600 code). I'm working on the III version of the card: if someone have useful -informations about it, please let me know. +information about it, please let me know. For all the non-supported audio cards, you have to boot MS-DOS (or WIN95) activating the audio card with the MS-DOS device driver, then you have to <ctrl>-<alt>-<del> and boot Linux. diff --git a/Documentation/sound/oss/README.ymfsb b/Documentation/sound/oss/README.ymfsb index af8a7d3a4e8..b6b77906b58 100644 --- a/Documentation/sound/oss/README.ymfsb +++ b/Documentation/sound/oss/README.ymfsb @@ -5,7 +5,7 @@ FIRST OF ALL ============ This code references YAMAHA's sample codes and data sheets. - I respect and thank for all people they made open the informations + I respect and thank for all people they made open the information about YMF7xx cards. And this codes heavily based on Jeff Garzik <jgarzik@pobox.com>'s diff --git a/Documentation/video4linux/bttv/Insmod-options b/Documentation/video4linux/bttv/Insmod-options index bbe3ed667d9..14c065fa23e 100644 --- a/Documentation/video4linux/bttv/Insmod-options +++ b/Documentation/video4linux/bttv/Insmod-options @@ -1,5 +1,5 @@ -Note: "modinfo <module>" prints various informations about a kernel +Note: "modinfo <module>" prints various information about a kernel module, among them a complete and up-to-date list of insmod options. This list tends to be outdated because it is updated manually ... diff --git a/Documentation/video4linux/bttv/Sound-FAQ b/Documentation/video4linux/bttv/Sound-FAQ index 1e6328f9108..bc5e41d5d77 100644 --- a/Documentation/video4linux/bttv/Sound-FAQ +++ b/Documentation/video4linux/bttv/Sound-FAQ @@ -8,7 +8,7 @@ completely by the bt8xx chip, which is common on all boards. But sound is handled in slightly different ways on each board. To handle the grabber boards correctly, there is a array tvcards[] in -bttv-cards.c, which holds the informations required for each board. +bttv-cards.c, which holds the information required for each board. Sound will work only, if the correct entry is used (for video it often makes no difference). The bttv driver prints a line to the kernel log, telling which card type is used. Like this one: diff --git a/Documentation/video4linux/et61x251.txt b/Documentation/video4linux/et61x251.txt index 1247566c4de..e0cdae49185 100644 --- a/Documentation/video4linux/et61x251.txt +++ b/Documentation/video4linux/et61x251.txt @@ -191,10 +191,10 @@ Syntax: <n> Description: Debugging information level, from 0 to 3: 0 = none (use carefully) 1 = critical errors - 2 = significant informations + 2 = significant information 3 = more verbose messages Level 3 is useful for testing only, when only one device - is used at the same time. It also shows some more informations + is used at the same time. It also shows some more information about the hardware being detected. This module parameter can be changed at runtime thanks to the /sys filesystem interface. Default: 2 diff --git a/Documentation/video4linux/sn9c102.txt b/Documentation/video4linux/sn9c102.txt index 73de4050d63..b4f67040403 100644 --- a/Documentation/video4linux/sn9c102.txt +++ b/Documentation/video4linux/sn9c102.txt @@ -214,10 +214,10 @@ Syntax: <n> Description: Debugging information level, from 0 to 3: 0 = none (use carefully) 1 = critical errors - 2 = significant informations + 2 = significant information 3 = more verbose messages Level 3 is useful for testing only. It also shows some more - informations about the hardware being detected. + information about the hardware being detected. This parameter can be changed at runtime thanks to the /sys filesystem interface. Default: 2 diff --git a/Documentation/video4linux/w9968cf.txt b/Documentation/video4linux/w9968cf.txt index 05138e8aea0..9649450f3b9 100644 --- a/Documentation/video4linux/w9968cf.txt +++ b/Documentation/video4linux/w9968cf.txt @@ -413,7 +413,7 @@ Syntax: <n> Description: Debugging information level, from 0 to 6: 0 = none (use carefully) 1 = critical errors - 2 = significant informations + 2 = significant information 3 = configuration or general messages 4 = warnings 5 = called functions diff --git a/Documentation/video4linux/zc0301.txt b/Documentation/video4linux/zc0301.txt index befdfdacdc5..b41c83cf09f 100644 --- a/Documentation/video4linux/zc0301.txt +++ b/Documentation/video4linux/zc0301.txt @@ -181,10 +181,10 @@ Syntax: <n> Description: Debugging information level, from 0 to 3: 0 = none (use carefully) 1 = critical errors - 2 = significant informations + 2 = significant information 3 = more verbose messages Level 3 is useful for testing only, when only one device - is used at the same time. It also shows some more informations + is used at the same time. It also shows some information about the hardware being detected. This module parameter can be changed at runtime thanks to the /sys filesystem interface. Default: 2 @@ -261,7 +261,7 @@ the fingerprint is: '88E8 F32F 7244 68BA 3958 5D40 99DA 5D2A FCE6 35A4'. 11. Credits =========== -- Informations about the chip internals needed to enable the I2C protocol have +- Information about the chip internals needed to enable the I2C protocol have been taken from the documentation of the ZC030x Video4Linux1 driver written by Andrew Birkett <andy@nobugs.org>; - The initialization values of the ZC0301 controller connected to the PAS202BCB diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c index 7f399f9d99c..139c018dbbf 100644 --- a/arch/ia64/sn/kernel/irq.c +++ b/arch/ia64/sn/kernel/irq.c @@ -412,7 +412,7 @@ sn_call_force_intr_provider(struct sn_irq_info *sn_irq_info) pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type]; /* Don't force an interrupt if the irq has been disabled */ - if (!irqd_irq_disabled(sn_irq_info->irq_irq) && + if (!irqd_irq_disabled(irq_get_irq_data(sn_irq_info->irq_irq)) && pci_provider && pci_provider->force_interrupt) (*pci_provider->force_interrupt)(sn_irq_info); } diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index d770b00ec6b..30edd61a6b8 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -386,8 +386,12 @@ #define __NR_fanotify_init 368 #define __NR_fanotify_mark 369 #define __NR_prlimit64 370 +#define __NR_name_to_handle_at 371 +#define __NR_open_by_handle_at 372 +#define __NR_clock_adjtime 373 +#define __NR_syncfs 374 -#define __NR_syscalls 371 +#define __NR_syscalls 375 #ifdef __KERNEL__ #ifndef __ASSEMBLY__ diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile index f0cb5c26c81..494b63b72dd 100644 --- a/arch/microblaze/kernel/Makefile +++ b/arch/microblaze/kernel/Makefile @@ -10,6 +10,7 @@ CFLAGS_REMOVE_early_printk.o = -pg CFLAGS_REMOVE_selfmod.o = -pg CFLAGS_REMOVE_heartbeat.o = -pg CFLAGS_REMOVE_ftrace.o = -pg +CFLAGS_REMOVE_process.o = -pg endif extra-y := head.o vmlinux.lds diff --git a/arch/microblaze/kernel/ftrace.c b/arch/microblaze/kernel/ftrace.c index 515feb40455..357d56abe24 100644 --- a/arch/microblaze/kernel/ftrace.c +++ b/arch/microblaze/kernel/ftrace.c @@ -51,6 +51,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) : "r" (parent), "r" (return_hooker) ); + flush_dcache_range((u32)parent, (u32)parent + 4); + flush_icache_range((u32)parent, (u32)parent + 4); + if (unlikely(faulted)) { ftrace_graph_stop(); WARN_ON(1); @@ -95,6 +98,9 @@ static int ftrace_modify_code(unsigned long addr, unsigned int value) if (unlikely(faulted)) return -EFAULT; + flush_dcache_range(addr, addr + 4); + flush_icache_range(addr, addr + 4); + return 0; } @@ -195,8 +201,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func) ret += ftrace_modify_code((unsigned long)&ftrace_caller, MICROBLAZE_NOP); - /* All changes are done - lets do caches consistent */ - flush_icache(); return ret; } @@ -210,7 +214,6 @@ int ftrace_enable_ftrace_graph_caller(void) old_jump = *(unsigned int *)ip; /* save jump over instruction */ ret = ftrace_modify_code(ip, MICROBLAZE_NOP); - flush_icache(); pr_debug("%s: Replace instruction: 0x%x\n", __func__, old_jump); return ret; @@ -222,7 +225,6 @@ int ftrace_disable_ftrace_graph_caller(void) unsigned long ip = (unsigned long)(&ftrace_call_graph); ret = ftrace_modify_code(ip, old_jump); - flush_icache(); pr_debug("%s\n", __func__); return ret; diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c index 5ba7e162833..c88f066f41b 100644 --- a/arch/microblaze/kernel/intc.c +++ b/arch/microblaze/kernel/intc.c @@ -158,11 +158,11 @@ void __init init_IRQ(void) for (i = 0; i < nr_irq; ++i) { if (intr_type & (0x00000001 << i)) { irq_set_chip_and_handler_name(i, &intc_dev, - handle_edge_irq, intc_dev.name); + handle_edge_irq, "edge"); irq_clear_status_flags(i, IRQ_LEVEL); } else { irq_set_chip_and_handler_name(i, &intc_dev, - handle_level_irq, intc_dev.name); + handle_level_irq, "level"); irq_set_status_flags(i, IRQ_LEVEL); } } diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index e88a930fd1e..85cea81d1ca 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -375,3 +375,7 @@ ENTRY(sys_call_table) .long sys_fanotify_init .long sys_fanotify_mark .long sys_prlimit64 /* 370 */ + .long sys_name_to_handle_at + .long sys_open_by_handle_at + .long sys_clock_adjtime + .long sys_syncfs diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile index f1fcbff3da2..10c320aa908 100644 --- a/arch/microblaze/lib/Makefile +++ b/arch/microblaze/lib/Makefile @@ -2,6 +2,12 @@ # Makefile # +ifdef CONFIG_FUNCTION_TRACER +CFLAGS_REMOVE_ashldi3.o = -pg +CFLAGS_REMOVE_ashrdi3.o = -pg +CFLAGS_REMOVE_lshrdi3.o = -pg +endif + lib-y := memset.o ifeq ($(CONFIG_OPT_LIB_ASM),y) diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S index 8526bd9d2aa..222815112e4 100644 --- a/arch/powerpc/mm/tlb_low_64e.S +++ b/arch/powerpc/mm/tlb_low_64e.S @@ -431,7 +431,7 @@ virt_page_table_tlb_miss_fault: * The thing is, we know that in normal circumstances, this is * always called as a second level tlb miss for SW load or as a first * level TLB miss for HW load, so we should be able to peek at the - * relevant informations in the first exception frame in the PACA. + * relevant information in the first exception frame in the PACA. * * However, we do need to double check that, because we may just hit * a stray kernel pointer or a userland attack trying to hit those diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 20576829eca..f7b07720aa3 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -46,7 +46,7 @@ config PPC_OF_BOOT_TRAMPOLINE help Support from booting from Open Firmware or yaboot using an Open Firmware client interface. This enables the kernel to - communicate with open firmware to retrieve system informations + communicate with open firmware to retrieve system information such as the device tree. In case of doubt, say Y diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index 2f475d7c0b5..9d897b6db98 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -403,8 +403,9 @@ #define __NR_name_to_handle_at 332 #define __NR_open_by_handle_at 333 #define __NR_clock_adjtime 334 +#define __NR_syncfs 335 -#define NR_syscalls 335 +#define NR_syscalls 336 #ifdef __32bit_syscall_numbers__ /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c index 2abace076c7..773091ac71a 100644 --- a/arch/sparc/kernel/auxio_64.c +++ b/arch/sparc/kernel/auxio_64.c @@ -93,7 +93,7 @@ void auxio_set_lte(int on) } EXPORT_SYMBOL(auxio_set_lte); -static struct of_device_id __initdata auxio_match[] = { +static const struct of_device_id auxio_match[] = { { .name = "auxio", }, diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c index 136d3718a74..7eef3f74196 100644 --- a/arch/sparc/kernel/central.c +++ b/arch/sparc/kernel/central.c @@ -140,7 +140,7 @@ out_free: goto out; } -static struct of_device_id __initdata clock_board_match[] = { +static const struct of_device_id clock_board_match[] = { { .name = "clock-board", }, @@ -245,7 +245,7 @@ out_free: goto out; } -static struct of_device_id __initdata fhc_match[] = { +static const struct of_device_id fhc_match[] = { { .name = "fhc", }, diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index 4a700f4b79c..3add4de8a1a 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -1218,7 +1218,7 @@ static int ds_remove(struct vio_dev *vdev) return 0; } -static struct vio_device_id __initdata ds_match[] = { +static const struct vio_device_id ds_match[] = { { .type = "domain-services-port", }, diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 1504df8ddf7..906ee3e24cc 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -1283,7 +1283,7 @@ linux_syscall_trace: .globl ret_from_fork ret_from_fork: call schedule_tail - mov %g3, %o0 + ld [%g3 + TI_TASK], %o0 b ret_sys_call ld [%sp + STACKFRAME_SZ + PT_I0], %o0 diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index 6addb914fcc..56db06432ce 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -107,7 +107,7 @@ static struct mdesc_handle * __init mdesc_memblock_alloc(unsigned int mdesc_size return hp; } -static void mdesc_memblock_free(struct mdesc_handle *hp) +static void __init mdesc_memblock_free(struct mdesc_handle *hp) { unsigned int alloc_size; unsigned long start; diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c index 3d70f8326ef..d29a32fcc5e 100644 --- a/arch/sparc/kernel/pci_fire.c +++ b/arch/sparc/kernel/pci_fire.c @@ -496,7 +496,7 @@ out_err: return err; } -static struct of_device_id __initdata fire_match[] = { +static const struct of_device_id fire_match[] = { { .name = "pci", .compatible = "pciex108e,80f0", diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c index 56ee745064d..86ae08d9b6e 100644 --- a/arch/sparc/kernel/pci_psycho.c +++ b/arch/sparc/kernel/pci_psycho.c @@ -592,7 +592,7 @@ out_err: return err; } -static struct of_device_id __initdata psycho_match[] = { +static const struct of_device_id psycho_match[] = { { .name = "pci", .compatible = "pci108e,8000", diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c index 2857073342d..948068a083f 100644 --- a/arch/sparc/kernel/pci_sabre.c +++ b/arch/sparc/kernel/pci_sabre.c @@ -581,7 +581,7 @@ out_err: return err; } -static struct of_device_id __initdata sabre_match[] = { +static const struct of_device_id sabre_match[] = { { .name = "pci", .compatible = "pci108e,a001", diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 1d41af73a92..fecfcb2063c 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -1470,7 +1470,7 @@ static int __devinit schizo_probe(struct platform_device *op) * and pci108e,8001. So list the chips in reverse chronological * order. */ -static struct of_device_id __initdata schizo_match[] = { +static const struct of_device_id schizo_match[] = { { .name = "pci", .compatible = "pci108e,a801", diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index 6cf53468178..b01a06e9ae4 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -998,7 +998,7 @@ out_err: return err; } -static struct of_device_id __initdata pci_sun4v_match[] = { +static const struct of_device_id pci_sun4v_match[] = { { .name = "pci", .compatible = "SUNW,sun4v-pci", diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c index cd725fe238b..cb4c0f57c02 100644 --- a/arch/sparc/kernel/power.c +++ b/arch/sparc/kernel/power.c @@ -52,7 +52,7 @@ static int __devinit power_probe(struct platform_device *op) return 0; } -static struct of_device_id __initdata power_match[] = { +static const struct of_device_id power_match[] = { { .name = "power", }, diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 4b86eaf04fe..47ac73c32e8 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -84,4 +84,4 @@ sys_call_table: /*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv /*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init /*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime - +/*335*/ .long sys_syncfs diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 0331bafdf3a..4f3170c1ef4 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -85,6 +85,7 @@ sys_call_table32: /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init /*330*/ .word sys32_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime + .word sys_syncfs #endif /* CONFIG_COMPAT */ @@ -161,3 +162,4 @@ sys_call_table: /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init /*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime + .word sys_syncfs diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 95ec25faba3..2b8d54b2d85 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -442,7 +442,7 @@ static int __devinit rtc_probe(struct platform_device *op) return platform_device_register(&rtc_cmos_device); } -static struct of_device_id __initdata rtc_match[] = { +static const struct of_device_id rtc_match[] = { { .name = "rtc", .compatible = "m5819", @@ -487,7 +487,7 @@ static int __devinit bq4802_probe(struct platform_device *op) return platform_device_register(&rtc_bq4802_device); } -static struct of_device_id __initdata bq4802_match[] = { +static const struct of_device_id bq4802_match[] = { { .name = "rtc", .compatible = "bq4802", @@ -552,7 +552,7 @@ static int __devinit mostek_probe(struct platform_device *op) return platform_device_register(&m48t59_rtc); } -static struct of_device_id __initdata mostek_match[] = { +static const struct of_device_id mostek_match[] = { { .name = "eeprom", }, diff --git a/arch/unicore32/Makefile b/arch/unicore32/Makefile index e08d6d370a8..76a8beec7d0 100644 --- a/arch/unicore32/Makefile +++ b/arch/unicore32/Makefile @@ -48,7 +48,7 @@ ASM_GENERIC_HEADERS += bitsperlong.h bug.h bugs.h ASM_GENERIC_HEADERS += cputime.h current.h ASM_GENERIC_HEADERS += device.h div64.h ASM_GENERIC_HEADERS += emergency-restart.h errno.h -ASM_GENERIC_HEADERS += fb.h fcntl.h ftrace.h +ASM_GENERIC_HEADERS += fb.h fcntl.h ftrace.h futex.h ASM_GENERIC_HEADERS += hardirq.h hw_irq.h ASM_GENERIC_HEADERS += ioctl.h ioctls.h ipcbuf.h irq_regs.h ASM_GENERIC_HEADERS += kdebug.h kmap_types.h diff --git a/arch/unicore32/include/asm/futex.h b/arch/unicore32/include/asm/futex.h deleted file mode 100644 index 07dea617055..00000000000 --- a/arch/unicore32/include/asm/futex.h +++ /dev/null @@ -1,143 +0,0 @@ -/* - * linux/arch/unicore32/include/asm/futex.h - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Copyright (C) 2001-2010 GUAN Xue-tao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __UNICORE_FUTEX_H__ -#define __UNICORE_FUTEX_H__ - -#ifdef __KERNEL__ - -#include <linux/futex.h> -#include <linux/preempt.h> -#include <linux/uaccess.h> -#include <linux/errno.h> - -#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ - __asm__ __volatile__( \ - "1: ldw.u %1, [%2]\n" \ - " " insn "\n" \ - "2: stw.u %0, [%2]\n" \ - " mov %0, #0\n" \ - "3:\n" \ - " .pushsection __ex_table,\"a\"\n" \ - " .align 3\n" \ - " .long 1b, 4f, 2b, 4f\n" \ - " .popsection\n" \ - " .pushsection .fixup,\"ax\"\n" \ - "4: mov %0, %4\n" \ - " b 3b\n" \ - " .popsection" \ - : "=&r" (ret), "=&r" (oldval) \ - : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT) \ - : "cc", "memory") - -static inline int -futex_atomic_op_inuser(int encoded_op, int __user *uaddr) -{ - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; - int oldval = 0, ret; - - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) - return -EFAULT; - - pagefault_disable(); /* implies preempt_disable() */ - - switch (op) { - case FUTEX_OP_SET: - __futex_atomic_op("mov %0, %3", ret, oldval, uaddr, oparg); - break; - case FUTEX_OP_ADD: - __futex_atomic_op("add %0, %1, %3", ret, oldval, uaddr, oparg); - break; - case FUTEX_OP_OR: - __futex_atomic_op("or %0, %1, %3", ret, oldval, uaddr, oparg); - break; - case FUTEX_OP_ANDN: - __futex_atomic_op("and %0, %1, %3", - ret, oldval, uaddr, ~oparg); - break; - case FUTEX_OP_XOR: - __futex_atomic_op("xor %0, %1, %3", ret, oldval, uaddr, oparg); - break; - default: - ret = -ENOSYS; - } - - pagefault_enable(); /* subsumes preempt_enable() */ - - if (!ret) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: - ret = (oldval == cmparg); - break; - case FUTEX_OP_CMP_NE: - ret = (oldval != cmparg); - break; - case FUTEX_OP_CMP_LT: - ret = (oldval < cmparg); - break; - case FUTEX_OP_CMP_GE: - ret = (oldval >= cmparg); - break; - case FUTEX_OP_CMP_LE: - ret = (oldval <= cmparg); - break; - case FUTEX_OP_CMP_GT: - ret = (oldval > cmparg); - break; - default: - ret = -ENOSYS; - } - } - return ret; -} - -static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) -{ - int val; - - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) - return -EFAULT; - - pagefault_disable(); /* implies preempt_disable() */ - - __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: ldw.u %0, [%3]\n" - " cmpxor.a %0, %1\n" - " bne 3f\n" - "2: stw.u %2, [%3]\n" - "3:\n" - " .pushsection __ex_table,\"a\"\n" - " .align 3\n" - " .long 1b, 4f, 2b, 4f\n" - " .popsection\n" - " .pushsection .fixup,\"ax\"\n" - "4: mov %0, %4\n" - " b 3b\n" - " .popsection" - : "=&r" (val) - : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT) - : "cc", "memory"); - - pagefault_enable(); /* subsumes preempt_enable() */ - - return val; -} - -#endif /* __KERNEL__ */ -#endif /* __UNICORE_FUTEX_H__ */ diff --git a/arch/unicore32/include/mach/PKUnity.h b/arch/unicore32/include/mach/PKUnity.h index a18bdc3810e..8040d575ddd 100644 --- a/arch/unicore32/include/mach/PKUnity.h +++ b/arch/unicore32/include/mach/PKUnity.h @@ -24,16 +24,6 @@ #define PKUNITY_MMIO_BASE 0x80000000 /* 0x80000000 - 0xFFFFFFFF 2GB */ /* - * PKUNITY Memory Map Addresses: 0x0D000000 - 0x0EFFFFFF (32MB) - * 0x0D000000 - 0x0DFFFFFF 16MB: for UVC - * 0x0E000000 - 0x0EFFFFFF 16MB: for UNIGFX - */ -#define PKUNITY_UVC_MMAP_BASE 0x0D000000 -#define PKUNITY_UVC_MMAP_SIZE 0x01000000 /* 16MB */ -#define PKUNITY_UNIGFX_MMAP_BASE 0x0E000000 -#define PKUNITY_UNIGFX_MMAP_SIZE 0x01000000 /* 16MB */ - -/* * PKUNITY System Bus Addresses (PCI): 0x80000000 - 0xBFFFFFFF (1GB) * 0x80000000 - 0x8000000B 12B PCI Configuration regs * 0x80010000 - 0x80010250 592B PCI Bridge Base diff --git a/arch/unicore32/include/mach/memory.h b/arch/unicore32/include/mach/memory.h index 0bf21c94471..4be72c21d49 100644 --- a/arch/unicore32/include/mach/memory.h +++ b/arch/unicore32/include/mach/memory.h @@ -50,7 +50,6 @@ void puv3_pci_adjust_zones(unsigned long *size, unsigned long *holes); /* kuser area */ #define KUSER_VECPAGE_BASE (KUSER_BASE + UL(0x3fff0000)) -#define KUSER_UNIGFX_BASE (PAGE_OFFSET + PKUNITY_UNIGFX_MMAP_BASE) /* kuser_vecpage (0xbfff0000) is ro, and vectors page (0xffff0000) is rw */ #define kuser_vecpage_to_vectors(x) ((x) - (KUSER_VECPAGE_BASE) \ + (VECTORS_BASE)) diff --git a/arch/unicore32/kernel/puv3-core.c b/arch/unicore32/kernel/puv3-core.c index 8b1b6beb858..1a505a78776 100644 --- a/arch/unicore32/kernel/puv3-core.c +++ b/arch/unicore32/kernel/puv3-core.c @@ -99,11 +99,6 @@ static struct resource puv3_unigfx_resources[] = { .end = io_v2p(PKUNITY_UNIGFX_BASE) + 0xfff, .flags = IORESOURCE_MEM, }, - [1] = { - .start = PKUNITY_UNIGFX_MMAP_BASE, - .end = PKUNITY_UNIGFX_MMAP_BASE + PKUNITY_UNIGFX_MMAP_SIZE, - .flags = IORESOURCE_MEM, - }, }; static struct resource puv3_rtc_resources[] = { diff --git a/arch/unicore32/kernel/rtc.c b/arch/unicore32/kernel/rtc.c index c5f068295b5..8cad70b3302 100644 --- a/arch/unicore32/kernel/rtc.c +++ b/arch/unicore32/kernel/rtc.c @@ -88,11 +88,6 @@ static int puv3_rtc_setpie(struct device *dev, int enabled) return 0; } -static int puv3_rtc_setfreq(struct device *dev, int freq) -{ - return 0; -} - /* Time read/write */ static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) @@ -214,8 +209,6 @@ static const struct rtc_class_ops puv3_rtcops = { .set_time = puv3_rtc_settime, .read_alarm = puv3_rtc_getalarm, .set_alarm = puv3_rtc_setalarm, - .irq_set_freq = puv3_rtc_setfreq, - .irq_set_state = puv3_rtc_setpie, .proc = puv3_rtc_proc, }; @@ -294,8 +287,6 @@ static int puv3_rtc_probe(struct platform_device *pdev) puv3_rtc_enable(pdev, 1); - puv3_rtc_setfreq(&pdev->dev, 1); - /* register RTC and exit */ rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops, diff --git a/arch/unicore32/kernel/setup.c b/arch/unicore32/kernel/setup.c index 1e175a82844..471b6bca8da 100644 --- a/arch/unicore32/kernel/setup.c +++ b/arch/unicore32/kernel/setup.c @@ -64,12 +64,6 @@ static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE; */ static struct resource mem_res[] = { { - .name = "Video RAM", - .start = 0, - .end = 0, - .flags = IORESOURCE_MEM - }, - { .name = "Kernel text", .start = 0, .end = 0, @@ -83,9 +77,8 @@ static struct resource mem_res[] = { } }; -#define video_ram mem_res[0] -#define kernel_code mem_res[1] -#define kernel_data mem_res[2] +#define kernel_code mem_res[0] +#define kernel_data mem_res[1] /* * These functions re-use the assembly code in head.S, which @@ -224,10 +217,6 @@ request_standard_resources(struct meminfo *mi) kernel_data.end <= res->end) request_resource(res, &kernel_data); } - - video_ram.start = PKUNITY_UNIGFX_MMAP_BASE; - video_ram.end = PKUNITY_UNIGFX_MMAP_BASE + PKUNITY_UNIGFX_MMAP_SIZE; - request_resource(&iomem_resource, &video_ram); } static void (*init_machine)(void) __initdata; diff --git a/arch/unicore32/kernel/traps.c b/arch/unicore32/kernel/traps.c index 25abbb10172..254e36fa951 100644 --- a/arch/unicore32/kernel/traps.c +++ b/arch/unicore32/kernel/traps.c @@ -22,7 +22,6 @@ #include <linux/delay.h> #include <linux/hardirq.h> #include <linux/init.h> -#include <linux/uaccess.h> #include <linux/atomic.h> #include <linux/unistd.h> diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S index 0b4eb89729e..9bf7f7af52c 100644 --- a/arch/unicore32/kernel/vmlinux.lds.S +++ b/arch/unicore32/kernel/vmlinux.lds.S @@ -14,6 +14,7 @@ #include <asm/thread_info.h> #include <asm/memory.h> #include <asm/page.h> +#include <asm/cache.h> OUTPUT_ARCH(unicore32) ENTRY(stext) @@ -29,7 +30,7 @@ SECTIONS HEAD_TEXT_SECTION INIT_TEXT_SECTION(PAGE_SIZE) INIT_DATA_SECTION(16) - PERCPU(PAGE_SIZE) + PERCPU(L1_CACHE_BYTES, PAGE_SIZE) __init_end = .; _stext = .; @@ -45,10 +46,10 @@ SECTIONS _sdata = .; RO_DATA_SECTION(PAGE_SIZE) - RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) + RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) _edata = .; - EXCEPTION_TABLE(32) + EXCEPTION_TABLE(L1_CACHE_BYTES) NOTES BSS_SECTION(0, 0, 0) diff --git a/arch/unicore32/mm/mmu.c b/arch/unicore32/mm/mmu.c index 7bf3d588631..db2d334941b 100644 --- a/arch/unicore32/mm/mmu.c +++ b/arch/unicore32/mm/mmu.c @@ -338,15 +338,6 @@ void __init uc32_mm_memblock_reserve(void) * and can only be in node 0. */ memblock_reserve(__pa(swapper_pg_dir), PTRS_PER_PGD * sizeof(pgd_t)); - -#ifdef CONFIG_PUV3_UNIGFX - /* - * These should likewise go elsewhere. They pre-reserve the - * screen/video memory region at the 48M~64M of main system memory. - */ - memblock_reserve(PKUNITY_UNIGFX_MMAP_BASE, PKUNITY_UNIGFX_MMAP_SIZE); - memblock_reserve(PKUNITY_UVC_MMAP_BASE, PKUNITY_UVC_MMAP_SIZE); -#endif } /* @@ -371,17 +362,6 @@ static void __init devicemaps_init(void) pmd_clear(pmd_off_k(addr)); /* - * Create a mapping for UniGFX VRAM - */ -#ifdef CONFIG_PUV3_UNIGFX - map.pfn = __phys_to_pfn(PKUNITY_UNIGFX_MMAP_BASE); - map.virtual = KUSER_UNIGFX_BASE; - map.length = PKUNITY_UNIGFX_MMAP_SIZE; - map.type = MT_KUSER; - create_mapping(&map); -#endif - - /* * Create a mapping for the machine vectors at the high-vectors * location (0xffff0000). If we aren't using high-vectors, also * create a mapping at the low-vectors virtual address. diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index a279d98ea95..2b7d573be54 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -2,7 +2,6 @@ #define _ASM_X86_APIC_H #include <linux/cpumask.h> -#include <linux/delay.h> #include <linux/pm.h> #include <asm/alternative.h> diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h index 97b6d8114a4..057099e5fab 100644 --- a/arch/x86/include/asm/dma.h +++ b/arch/x86/include/asm/dma.h @@ -10,7 +10,6 @@ #include <linux/spinlock.h> /* And spinlocks */ #include <asm/io.h> /* need byte IO */ -#include <linux/delay.h> #ifdef HAVE_REALLY_SLOW_DMA_CONTROLLER #define dma_outb outb_p diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 6801959a8b2..4c39baa8fac 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -21,7 +21,7 @@ const struct pci_device_id amd_nb_misc_ids[] = { EXPORT_SYMBOL(amd_nb_misc_ids); static struct pci_device_id amd_nb_link_ids[] = { - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_LINK) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) }, {} }; diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c index c4e557a1ebb..5260fe91bcb 100644 --- a/arch/x86/kernel/apic/hw_nmi.c +++ b/arch/x86/kernel/apic/hw_nmi.c @@ -16,6 +16,7 @@ #include <linux/kprobes.h> #include <linux/nmi.h> #include <linux/module.h> +#include <linux/delay.h> #ifdef CONFIG_HARDLOCKUP_DETECTOR u64 hw_nmi_get_sample_period(void) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 3c289281394..33b10a0fc09 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -23,6 +23,8 @@ #include <linux/io.h> #include <linux/pci.h> #include <linux/kdebug.h> +#include <linux/delay.h> +#include <linux/crash_dump.h> #include <asm/uv/uv_mmrs.h> #include <asm/uv/uv_hub.h> @@ -34,6 +36,7 @@ #include <asm/ipi.h> #include <asm/smp.h> #include <asm/x86_init.h> +#include <asm/emergency-restart.h> DEFINE_PER_CPU(int, x2apic_extra_bits); @@ -810,4 +813,11 @@ void __init uv_system_init(void) /* register Legacy VGA I/O redirection handler */ pci_register_set_vga_state(uv_set_vga_state); + + /* + * For a kdump kernel the reset must be BOOT_ACPI, not BOOT_EFI, as + * EFI is not enabled in the kdump kernel. + */ + if (is_kdump_kernel()) + reboot_type = BOOT_ACPI; } diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 5a05ef63eb4..3385ea26f68 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1626,7 +1626,7 @@ out: static unsigned int mce_poll(struct file *file, poll_table *wait) { poll_wait(file, &mce_wait, wait); - if (rcu_dereference_check_mce(mcelog.next)) + if (rcu_access_index(mcelog.next)) return POLLIN | POLLRDNORM; if (!mce_apei_read_done && apei_check_mce()) return POLLIN | POLLRDNORM; diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 307dfbbf4a8..929739a653d 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -293,14 +293,24 @@ set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type typ /* * HACK! - * We use this same function to initialize the mtrrs on boot. - * The state of the boot cpu's mtrrs has been saved, and we want - * to replicate across all the APs. - * If we're doing that @reg is set to something special... + * + * We use this same function to initialize the mtrrs during boot, + * resume, runtime cpu online and on an explicit request to set a + * specific MTRR. + * + * During boot or suspend, the state of the boot cpu's mtrrs has been + * saved, and we want to replicate that across all the cpus that come + * online (either at the end of boot or resume or during a runtime cpu + * online). If we're doing that, @reg is set to something special and on + * this cpu we still do mtrr_if->set_all(). During boot/resume, this + * is unnecessary if at this point we are still on the cpu that started + * the boot/resume sequence. But there is no guarantee that we are still + * on the same cpu. So we do mtrr_if->set_all() on this cpu aswell to be + * sure that we are in sync with everyone else. */ if (reg != ~0U) mtrr_if->set(reg, base, size, type); - else if (!mtrr_aps_delayed_init) + else mtrr_if->set_all(); /* Wait for the others */ diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 948a31eae75..1cb0b9fc78d 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -8,6 +8,7 @@ #include <linux/seq_file.h> #include <linux/smp.h> #include <linux/ftrace.h> +#include <linux/delay.h> #include <asm/apic.h> #include <asm/io_apic.h> diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index 5ed0ab549eb..f9242800bc8 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c @@ -550,6 +550,7 @@ static void __exit microcode_exit(void) microcode_dev_exit(); unregister_hotcpu_notifier(&mc_cpu_notifier); + unregister_syscore_ops(&mc_syscore_ops); get_online_cpus(); mutex_lock(µcode_mutex); diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index d3ce37edb54..08c44b08bf5 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -6,6 +6,7 @@ #include <linux/dmi.h> #include <linux/sched.h> #include <linux/tboot.h> +#include <linux/delay.h> #include <acpi/reboot.h> #include <asm/io.h> #include <asm/apic.h> diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 8dace181c88..cf9750004a0 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -49,6 +49,10 @@ u64 op_x86_get_ctrl(struct op_x86_model_spec const *model, val |= counter_config->user ? ARCH_PERFMON_EVENTSEL_USR : 0; val |= counter_config->kernel ? ARCH_PERFMON_EVENTSEL_OS : 0; val |= (counter_config->unit_mask & 0xFF) << 8; + counter_config->extra &= (ARCH_PERFMON_EVENTSEL_INV | + ARCH_PERFMON_EVENTSEL_EDGE | + ARCH_PERFMON_EVENTSEL_CMASK); + val |= counter_config->extra; event &= model->event_mask ? model->event_mask : 0xFF; val |= event & 0xFF; val |= (event & 0x0F00) << 24; @@ -440,6 +444,7 @@ static int nmi_create_files(struct super_block *sb, struct dentry *root) oprofilefs_create_ulong(sb, dir, "unit_mask", &counter_config[i].unit_mask); oprofilefs_create_ulong(sb, dir, "kernel", &counter_config[i].kernel); oprofilefs_create_ulong(sb, dir, "user", &counter_config[i].user); + oprofilefs_create_ulong(sb, dir, "extra", &counter_config[i].extra); } return 0; diff --git a/arch/x86/oprofile/op_counter.h b/arch/x86/oprofile/op_counter.h index e28398df0df..0b7b7b179cb 100644 --- a/arch/x86/oprofile/op_counter.h +++ b/arch/x86/oprofile/op_counter.h @@ -22,6 +22,7 @@ struct op_counter_config { unsigned long kernel; unsigned long user; unsigned long unit_mask; + unsigned long extra; }; extern struct op_counter_config counter_config[]; diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index a7b38d35c29..7cb6424317f 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -11,6 +11,7 @@ #include <linux/debugfs.h> #include <linux/kernel.h> #include <linux/slab.h> +#include <linux/delay.h> #include <asm/mmu_context.h> #include <asm/uv/uv.h> diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index 25ef1a4556e..cd0ff66469b 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -165,7 +165,6 @@ static uint32_t fpga_tx(struct solos_card *); static irqreturn_t solos_irq(int irq, void *dev_id); static struct atm_vcc* find_vcc(struct atm_dev *dev, short vpi, int vci); static int list_vccs(int vci); -static void release_vccs(struct atm_dev *dev); static int atm_init(struct solos_card *, struct device *); static void atm_remove(struct solos_card *); static int send_command(struct solos_card *card, int dev, const char *buf, size_t size); @@ -384,7 +383,6 @@ static int process_status(struct solos_card *card, int port, struct sk_buff *skb /* Anything but 'Showtime' is down */ if (strcmp(state_str, "Showtime")) { atm_dev_signal_change(card->atmdev[port], ATM_PHY_SIG_LOST); - release_vccs(card->atmdev[port]); dev_info(&card->dev->dev, "Port %d: %s\n", port, state_str); return 0; } @@ -697,7 +695,7 @@ void solos_bh(unsigned long card_arg) size); } if (atmdebug) { - dev_info(&card->dev->dev, "Received: device %d\n", port); + dev_info(&card->dev->dev, "Received: port %d\n", port); dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n", size, le16_to_cpu(header->vpi), le16_to_cpu(header->vci)); @@ -710,8 +708,8 @@ void solos_bh(unsigned long card_arg) le16_to_cpu(header->vci)); if (!vcc) { if (net_ratelimit()) - dev_warn(&card->dev->dev, "Received packet for unknown VCI.VPI %d.%d on port %d\n", - le16_to_cpu(header->vci), le16_to_cpu(header->vpi), + dev_warn(&card->dev->dev, "Received packet for unknown VPI.VCI %d.%d on port %d\n", + le16_to_cpu(header->vpi), le16_to_cpu(header->vci), port); continue; } @@ -830,28 +828,6 @@ static int list_vccs(int vci) return num_found; } -static void release_vccs(struct atm_dev *dev) -{ - int i; - - write_lock_irq(&vcc_sklist_lock); - for (i = 0; i < VCC_HTABLE_SIZE; i++) { - struct hlist_head *head = &vcc_hash[i]; - struct hlist_node *node, *tmp; - struct sock *s; - struct atm_vcc *vcc; - - sk_for_each_safe(s, node, tmp, head) { - vcc = atm_sk(s); - if (vcc->dev == dev) { - vcc_release_async(vcc, -EPIPE); - sk_del_node_init(s); - } - } - } - write_unlock_irq(&vcc_sklist_lock); -} - static int popen(struct atm_vcc *vcc) { @@ -1018,8 +994,15 @@ static uint32_t fpga_tx(struct solos_card *card) /* Clean up and free oldskb now it's gone */ if (atmdebug) { + struct pkt_hdr *header = (void *)oldskb->data; + int size = le16_to_cpu(header->size); + + skb_pull(oldskb, sizeof(*header)); dev_info(&card->dev->dev, "Transmitted: port %d\n", port); + dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n", + size, le16_to_cpu(header->vpi), + le16_to_cpu(header->vci)); print_buffer(oldskb); } @@ -1262,7 +1245,7 @@ static int atm_init(struct solos_card *card, struct device *parent) card->atmdev[i]->ci_range.vci_bits = 16; card->atmdev[i]->dev_data = card; card->atmdev[i]->phy_data = (void *)(unsigned long)i; - atm_dev_signal_change(card->atmdev[i], ATM_PHY_SIG_UNKNOWN); + atm_dev_signal_change(card->atmdev[i], ATM_PHY_SIG_FOUND); skb = alloc_skb(sizeof(*header), GFP_ATOMIC); if (!skb) { diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 55653aba673..c42c9d51779 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -31,24 +31,9 @@ #include <linux/connector.h> #include <linux/delay.h> -void cn_queue_wrapper(struct work_struct *work) -{ - struct cn_callback_entry *cbq = - container_of(work, struct cn_callback_entry, work); - struct cn_callback_data *d = &cbq->data; - struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(d->skb)); - struct netlink_skb_parms *nsp = &NETLINK_CB(d->skb); - - d->callback(msg, nsp); - - kfree_skb(d->skb); - d->skb = NULL; - - kfree(d->free); -} - static struct cn_callback_entry * -cn_queue_alloc_callback_entry(const char *name, struct cb_id *id, +cn_queue_alloc_callback_entry(struct cn_queue_dev *dev, const char *name, + struct cb_id *id, void (*callback)(struct cn_msg *, struct netlink_skb_parms *)) { struct cn_callback_entry *cbq; @@ -59,17 +44,23 @@ cn_queue_alloc_callback_entry(const char *name, struct cb_id *id, return NULL; } + atomic_set(&cbq->refcnt, 1); + + atomic_inc(&dev->refcnt); + cbq->pdev = dev; + snprintf(cbq->id.name, sizeof(cbq->id.name), "%s", name); memcpy(&cbq->id.id, id, sizeof(struct cb_id)); - cbq->data.callback = callback; - - INIT_WORK(&cbq->work, &cn_queue_wrapper); + cbq->callback = callback; return cbq; } -static void cn_queue_free_callback(struct cn_callback_entry *cbq) +void cn_queue_release_callback(struct cn_callback_entry *cbq) { - flush_workqueue(cbq->pdev->cn_queue); + if (!atomic_dec_and_test(&cbq->refcnt)) + return; + + atomic_dec(&cbq->pdev->refcnt); kfree(cbq); } @@ -85,13 +76,10 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name, struct cn_callback_entry *cbq, *__cbq; int found = 0; - cbq = cn_queue_alloc_callback_entry(name, id, callback); + cbq = cn_queue_alloc_callback_entry(dev, name, id, callback); if (!cbq) return -ENOMEM; - atomic_inc(&dev->refcnt); - cbq->pdev = dev; - spin_lock_bh(&dev->queue_lock); list_for_each_entry(__cbq, &dev->queue_list, callback_entry) { if (cn_cb_equal(&__cbq->id.id, id)) { @@ -104,8 +92,7 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name, spin_unlock_bh(&dev->queue_lock); if (found) { - cn_queue_free_callback(cbq); - atomic_dec(&dev->refcnt); + cn_queue_release_callback(cbq); return -EINVAL; } @@ -130,10 +117,8 @@ void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id) } spin_unlock_bh(&dev->queue_lock); - if (found) { - cn_queue_free_callback(cbq); - atomic_dec(&dev->refcnt); - } + if (found) + cn_queue_release_callback(cbq); } struct cn_queue_dev *cn_queue_alloc_dev(const char *name, struct sock *nls) @@ -151,12 +136,6 @@ struct cn_queue_dev *cn_queue_alloc_dev(const char *name, struct sock *nls) dev->nls = nls; - dev->cn_queue = alloc_ordered_workqueue(dev->name, 0); - if (!dev->cn_queue) { - kfree(dev); - return NULL; - } - return dev; } @@ -164,9 +143,6 @@ void cn_queue_free_dev(struct cn_queue_dev *dev) { struct cn_callback_entry *cbq, *n; - flush_workqueue(dev->cn_queue); - destroy_workqueue(dev->cn_queue); - spin_lock_bh(&dev->queue_lock); list_for_each_entry_safe(cbq, n, &dev->queue_list, callback_entry) list_del(&cbq->callback_entry); diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index f7554de3be5..d77005849af 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -122,51 +122,28 @@ EXPORT_SYMBOL_GPL(cn_netlink_send); */ static int cn_call_callback(struct sk_buff *skb) { - struct cn_callback_entry *__cbq, *__new_cbq; + struct cn_callback_entry *i, *cbq = NULL; struct cn_dev *dev = &cdev; struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(skb)); + struct netlink_skb_parms *nsp = &NETLINK_CB(skb); int err = -ENODEV; spin_lock_bh(&dev->cbdev->queue_lock); - list_for_each_entry(__cbq, &dev->cbdev->queue_list, callback_entry) { - if (cn_cb_equal(&__cbq->id.id, &msg->id)) { - if (likely(!work_pending(&__cbq->work) && - __cbq->data.skb == NULL)) { - __cbq->data.skb = skb; - - if (queue_work(dev->cbdev->cn_queue, - &__cbq->work)) - err = 0; - else - err = -EINVAL; - } else { - struct cn_callback_data *d; - - err = -ENOMEM; - __new_cbq = kzalloc(sizeof(struct cn_callback_entry), GFP_ATOMIC); - if (__new_cbq) { - d = &__new_cbq->data; - d->skb = skb; - d->callback = __cbq->data.callback; - d->free = __new_cbq; - - INIT_WORK(&__new_cbq->work, - &cn_queue_wrapper); - - if (queue_work(dev->cbdev->cn_queue, - &__new_cbq->work)) - err = 0; - else { - kfree(__new_cbq); - err = -EINVAL; - } - } - } + list_for_each_entry(i, &dev->cbdev->queue_list, callback_entry) { + if (cn_cb_equal(&i->id.id, &msg->id)) { + atomic_inc(&i->refcnt); + cbq = i; break; } } spin_unlock_bh(&dev->cbdev->queue_lock); + if (cbq != NULL) { + cbq->callback(msg, nsp); + kfree_skb(skb); + cn_queue_release_callback(cbq); + } + return err; } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 9c595e3b9c2..adc9358c9be 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1297,7 +1297,7 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid, /** * Search EDID for CEA extension block. */ -static u8 *drm_find_cea_extension(struct edid *edid) +u8 *drm_find_cea_extension(struct edid *edid) { u8 *edid_ext = NULL; int i; @@ -1318,6 +1318,7 @@ static u8 *drm_find_cea_extension(struct edid *edid) return edid_ext; } +EXPORT_SYMBOL(drm_find_cea_extension); /** * drm_detect_hdmi_monitor - detect whether monitor is hdmi. diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 5daa991cb28..f5b0d8306d8 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -39,7 +39,7 @@ ret__ = -ETIMEDOUT; \ break; \ } \ - if (W && !in_dbg_master()) msleep(W); \ + if (W && !(in_atomic() || in_dbg_master())) msleep(W); \ } \ ret__; \ }) diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 82d04c5899d..d3b903bce7c 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -259,7 +259,7 @@ gmbus_xfer(struct i2c_adapter *adapter, if (wait_for(I915_READ(GMBUS2 + reg_offset) & (GMBUS_SATOER | GMBUS_HW_RDY), 50)) goto timeout; if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER) - return 0; + goto clear_err; val = I915_READ(GMBUS3 + reg_offset); do { @@ -287,7 +287,7 @@ gmbus_xfer(struct i2c_adapter *adapter, if (wait_for(I915_READ(GMBUS2 + reg_offset) & (GMBUS_SATOER | GMBUS_HW_RDY), 50)) goto timeout; if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER) - return 0; + goto clear_err; val = loop = 0; do { @@ -302,14 +302,31 @@ gmbus_xfer(struct i2c_adapter *adapter, if (i + 1 < num && wait_for(I915_READ(GMBUS2 + reg_offset) & (GMBUS_SATOER | GMBUS_HW_WAIT_PHASE), 50)) goto timeout; if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER) - return 0; + goto clear_err; } - return num; + goto done; + +clear_err: + /* Toggle the Software Clear Interrupt bit. This has the effect + * of resetting the GMBUS controller and so clearing the + * BUS_ERROR raised by the slave's NAK. + */ + I915_WRITE(GMBUS1 + reg_offset, GMBUS_SW_CLR_INT); + I915_WRITE(GMBUS1 + reg_offset, 0); + +done: + /* Mark the GMBUS interface as disabled. We will re-enable it at the + * start of the next xfer, till then let it sleep. + */ + I915_WRITE(GMBUS0 + reg_offset, 0); + return i; timeout: DRM_INFO("GMBUS timed out, falling back to bit banging on pin %d [%s]\n", bus->reg0 & 0xff, bus->adapter.name); + I915_WRITE(GMBUS0 + reg_offset, 0); + /* Hardware may not support GMBUS over these pins? Try GPIO bitbanging instead. */ bus->force_bit = intel_gpio_create(dev_priv, bus->reg0 & 0xff); if (!bus->force_bit) diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 1a311ad0111..86cd30bcb61 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -473,19 +473,13 @@ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; - enum drm_connector_status status = connector_status_connected; + enum drm_connector_status status; status = intel_panel_detect(dev); if (status != connector_status_unknown) return status; - /* ACPI lid methods were generally unreliable in this generation, so - * don't even bother. - */ - if (IS_GEN2(dev) || IS_GEN3(dev)) - return connector_status_connected; - - return status; + return connector_status_connected; } /** diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index e8b04f4aed7..b52e4601824 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -97,7 +97,7 @@ nouveau_gem_new(struct drm_device *dev, struct nouveau_channel *chan, return -ENOMEM; } - nvbo->bo.persistant_swap_storage = nvbo->gem->filp; + nvbo->bo.persistent_swap_storage = nvbo->gem->filp; nvbo->gem->driver_private = nvbo; return 0; } diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 10e41af6b02..b41ec59c710 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1009,6 +1009,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, uint64_t fb_location; uint32_t fb_format, fb_pitch_pixels, tiling_flags; u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE); + u32 tmp; int r; /* no fb bound */ @@ -1137,6 +1138,15 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay); + /* pageflip setup */ + /* make sure flip is at vb rather than hb */ + tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); + tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN; + WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); + + /* set pageflip to happen anywhere in vblank interval */ + WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); + if (!atomic && fb && fb != crtc->fb) { radeon_fb = to_radeon_framebuffer(fb); rbo = gem_to_radeon_bo(radeon_fb->obj); @@ -1167,6 +1177,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, uint64_t fb_location; uint32_t fb_format, fb_pitch_pixels, tiling_flags; u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; + u32 tmp; int r; /* no fb bound */ @@ -1294,6 +1305,15 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay); + /* pageflip setup */ + /* make sure flip is at vb rather than hb */ + tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); + tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN; + WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); + + /* set pageflip to happen anywhere in vblank interval */ + WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); + if (!atomic && fb && fb != crtc->fb) { radeon_fb = to_radeon_framebuffer(fb); rbo = gem_to_radeon_bo(radeon_fb->obj); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 941080a7794..0b0cc74c08c 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -43,17 +43,6 @@ static void evergreen_pcie_gen2_enable(struct radeon_device *rdev); void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc) { - struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc]; - u32 tmp; - - /* make sure flip is at vb rather than hb */ - tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); - tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN; - WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); - - /* set pageflip to happen anywhere in vblank interval */ - WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); - /* enable the pflip int */ radeon_irq_kms_pflip_irq_get(rdev, crtc); } diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 02d5c415f49..99768d9d91d 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -675,7 +675,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) ATOM_ENCODER_CAP_RECORD *cap_record; u16 caps = 0; - while (record->ucRecordType > 0 && + while (record->ucRecordSize > 0 && + record->ucRecordType > 0 && record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { switch (record->ucRecordType) { case ATOM_ENCODER_CAP_RECORD_TYPE: @@ -720,7 +721,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) break; } - while (record->ucRecordType > 0 && + while (record->ucRecordSize > 0 && + record->ucRecordType > 0 && record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { switch (record->ucRecordType) { case ATOM_I2C_RECORD_TYPE: @@ -782,10 +784,9 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) ATOM_HPD_INT_RECORD *hpd_record; ATOM_I2C_ID_CONFIG_ACCESS *i2c_config; - while (record->ucRecordType > 0 - && record-> - ucRecordType <= - ATOM_MAX_OBJECT_RECORD_NUMBER) { + while (record->ucRecordSize > 0 && + record->ucRecordType > 0 && + record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { switch (record->ucRecordType) { case ATOM_I2C_RECORD_TYPE: i2c_record = diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index cf602e2d071..8caf546c8e9 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -2079,6 +2079,19 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) DRM_MODE_CONNECTOR_DVII, &ddc_i2c, CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I, &hpd); + /* TV - TV DAC */ + ddc_i2c.valid = false; + hpd.hpd = RADEON_HPD_NONE; + radeon_add_legacy_encoder(dev, + radeon_get_encoder_enum(dev, + ATOM_DEVICE_TV1_SUPPORT, + 2), + ATOM_DEVICE_TV1_SUPPORT); + radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT, + DRM_MODE_CONNECTOR_SVIDEO, + &ddc_i2c, + CONNECTOR_OBJECT_ID_SVIDEO, + &hpd); break; default: DRM_INFO("Connector table: %d (invalid)\n", diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 19763f5df5e..876cebc4b8b 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -48,17 +48,6 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev); void rs600_pre_page_flip(struct radeon_device *rdev, int crtc) { - struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc]; - u32 tmp; - - /* make sure flip is at vb rather than hb */ - tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); - tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN; - WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); - - /* set pageflip to happen anywhere in vblank interval */ - WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); - /* enable the pflip int */ radeon_irq_kms_pflip_irq_get(rdev, crtc); } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 0b6a55ac2f8..2e618b5ac46 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1168,7 +1168,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev, uint32_t page_alignment, unsigned long buffer_start, bool interruptible, - struct file *persistant_swap_storage, + struct file *persistent_swap_storage, size_t acc_size, void (*destroy) (struct ttm_buffer_object *)) { @@ -1211,7 +1211,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev, bo->priv_flags = 0; bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED); bo->seq_valid = false; - bo->persistant_swap_storage = persistant_swap_storage; + bo->persistent_swap_storage = persistent_swap_storage; bo->acc_size = acc_size; atomic_inc(&bo->glob->bo_count); @@ -1260,7 +1260,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev, uint32_t page_alignment, unsigned long buffer_start, bool interruptible, - struct file *persistant_swap_storage, + struct file *persistent_swap_storage, struct ttm_buffer_object **p_bo) { struct ttm_buffer_object *bo; @@ -1282,7 +1282,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev, ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment, buffer_start, interruptible, - persistant_swap_storage, acc_size, NULL); + persistent_swap_storage, acc_size, NULL); if (likely(ret == 0)) *p_bo = bo; @@ -1863,7 +1863,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink) if (bo->bdev->driver->swap_notify) bo->bdev->driver->swap_notify(bo); - ret = ttm_tt_swapout(bo->ttm, bo->persistant_swap_storage); + ret = ttm_tt_swapout(bo->ttm, bo->persistent_swap_storage); out: /** diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 86d5b1745a4..90e23e0bfad 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -332,7 +332,7 @@ void ttm_tt_destroy(struct ttm_tt *ttm) ttm_tt_free_page_directory(ttm); } - if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP) && + if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP) && ttm->swap_storage) fput(ttm->swap_storage); @@ -503,7 +503,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm) page_cache_release(from_page); } - if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP)) + if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP)) fput(swap_storage); ttm->swap_storage = NULL; ttm->page_flags &= ~TTM_PAGE_FLAG_SWAPPED; @@ -514,7 +514,7 @@ out_err: return ret; } -int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage) +int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage) { struct address_space *swap_space; struct file *swap_storage; @@ -540,7 +540,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage) return 0; } - if (!persistant_swap_storage) { + if (!persistent_swap_storage) { swap_storage = shmem_file_setup("ttm swap", ttm->num_pages << PAGE_SHIFT, 0); @@ -549,7 +549,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage) return PTR_ERR(swap_storage); } } else - swap_storage = persistant_swap_storage; + swap_storage = persistent_swap_storage; swap_space = swap_storage->f_path.dentry->d_inode->i_mapping; @@ -577,12 +577,12 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage) ttm_tt_free_alloced_pages(ttm); ttm->swap_storage = swap_storage; ttm->page_flags |= TTM_PAGE_FLAG_SWAPPED; - if (persistant_swap_storage) - ttm->page_flags |= TTM_PAGE_FLAG_PERSISTANT_SWAP; + if (persistent_swap_storage) + ttm->page_flags |= TTM_PAGE_FLAG_PERSISTENT_SWAP; return 0; out_err: - if (!persistant_swap_storage) + if (!persistent_swap_storage) fput(swap_storage); return ret; diff --git a/drivers/hwmon/twl4030-madc-hwmon.c b/drivers/hwmon/twl4030-madc-hwmon.c index 97e22bef85a..de5819199e2 100644 --- a/drivers/hwmon/twl4030-madc-hwmon.c +++ b/drivers/hwmon/twl4030-madc-hwmon.c @@ -154,4 +154,4 @@ module_exit(twl4030_madc_hwmon_exit); MODULE_DESCRIPTION("TWL4030 ADC Hwmon driver"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("J Keerthy"); -MODULE_ALIAS("twl4030_madc_hwmon"); +MODULE_ALIAS("platform:twl4030_madc_hwmon"); diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c index 64454d39c0c..ecfd9fb167d 100644 --- a/drivers/media/radio/wl128x/fmdrv_common.c +++ b/drivers/media/radio/wl128x/fmdrv_common.c @@ -1494,12 +1494,17 @@ u32 fmc_prepare(struct fmdev *fmdev) } memset(&fm_st_proto, 0, sizeof(fm_st_proto)); - fm_st_proto.type = ST_FM; fm_st_proto.recv = fm_st_receive; fm_st_proto.match_packet = NULL; fm_st_proto.reg_complete_cb = fm_st_reg_comp_cb; fm_st_proto.write = NULL; /* TI ST driver will fill write pointer */ fm_st_proto.priv_data = fmdev; + fm_st_proto.chnl_id = 0x08; + fm_st_proto.max_frame_size = 0xff; + fm_st_proto.hdr_len = 1; + fm_st_proto.offset_len_in_hdr = 0; + fm_st_proto.len_size = 1; + fm_st_proto.reserve = 1; ret = st_register(&fm_st_proto); if (ret == -EINPROGRESS) { @@ -1532,7 +1537,7 @@ u32 fmc_prepare(struct fmdev *fmdev) g_st_write = fm_st_proto.write; } else { fmerr("Failed to get ST write func pointer\n"); - ret = st_unregister(ST_FM); + ret = st_unregister(&fm_st_proto); if (ret < 0) fmerr("st_unregister failed %d\n", ret); return -EAGAIN; @@ -1586,6 +1591,7 @@ u32 fmc_prepare(struct fmdev *fmdev) */ u32 fmc_release(struct fmdev *fmdev) { + static struct st_proto_s fm_st_proto; u32 ret; if (!test_bit(FM_CORE_READY, &fmdev->flag)) { @@ -1604,7 +1610,11 @@ u32 fmc_release(struct fmdev *fmdev) fmdev->resp_comp = NULL; fmdev->rx.freq = 0; - ret = st_unregister(ST_FM); + memset(&fm_st_proto, 0, sizeof(fm_st_proto)); + fm_st_proto.chnl_id = 0x08; + + ret = st_unregister(&fm_st_proto); + if (ret < 0) fmerr("Failed to de-register FM from ST %d\n", ret); else diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index ac0e42b47b2..accaf6c9789 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -41,6 +41,7 @@ #include <linux/bitops.h> #include <media/rc-core.h> #include <linux/pci_ids.h> +#include <linux/delay.h> #include "ite-cir.h" diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c index e637e9f28fd..937ef1afa5d 100644 --- a/drivers/net/atlx/atl2.c +++ b/drivers/net/atlx/atl2.c @@ -1996,13 +1996,15 @@ static int atl2_set_eeprom(struct net_device *netdev, if (!eeprom_buff) return -ENOMEM; - ptr = (u32 *)eeprom_buff; + ptr = eeprom_buff; if (eeprom->offset & 3) { /* need read/modify/write of first changed EEPROM word */ /* only the second byte of the word is being modified */ - if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) - return -EIO; + if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) { + ret_val = -EIO; + goto out; + } ptr++; } if (((eeprom->offset + eeprom->len) & 3)) { @@ -2011,18 +2013,22 @@ static int atl2_set_eeprom(struct net_device *netdev, * only the first byte of the word is being modified */ if (!atl2_read_eeprom(hw, last_dword * 4, - &(eeprom_buff[last_dword - first_dword]))) - return -EIO; + &(eeprom_buff[last_dword - first_dword]))) { + ret_val = -EIO; + goto out; + } } /* Device's eeprom is always little-endian, word addressable */ memcpy(ptr, bytes, eeprom->len); for (i = 0; i < last_dword - first_dword + 1; i++) { - if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) - return -EIO; + if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) { + ret_val = -EIO; + goto out; + } } - + out: kfree(eeprom_buff); return ret_val; } diff --git a/drivers/net/bonding/bond_alb.h b/drivers/net/bonding/bond_alb.h index 118c28aa471..4b3e3587840 100644 --- a/drivers/net/bonding/bond_alb.h +++ b/drivers/net/bonding/bond_alb.h @@ -74,7 +74,7 @@ struct tlb_client_info { * packets to a Client that the Hash function * gave this entry index. */ - u32 tx_bytes; /* Each Client acumulates the BytesTx that + u32 tx_bytes; /* Each Client accumulates the BytesTx that * were tranmitted to it, and after each * CallBack the LoadHistory is devided * by the balance interval diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index 67c0ad42d81..186cd28a61c 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c @@ -75,15 +75,9 @@ static int dongle_id = 0; /* default: probe */ /* We can't guess the type of connected dongle, user *must* supply it. */ module_param(dongle_id, int, 0); -/* FIXME : we should not need this, because instances should be automatically - * managed by the PCI layer. Especially that we seem to only be using the - * first entry. Jean II */ -/* Max 4 instances for now */ -static struct via_ircc_cb *dev_self[] = { NULL, NULL, NULL, NULL }; - /* Some prototypes */ -static int via_ircc_open(int i, chipio_t * info, unsigned int id); -static int via_ircc_close(struct via_ircc_cb *self); +static int via_ircc_open(struct pci_dev *pdev, chipio_t * info, + unsigned int id); static int via_ircc_dma_receive(struct via_ircc_cb *self); static int via_ircc_dma_receive_complete(struct via_ircc_cb *self, int iobase); @@ -215,7 +209,7 @@ static int __devinit via_init_one (struct pci_dev *pcidev, const struct pci_devi pci_write_config_byte(pcidev,0x42,(bTmp | 0xf0)); pci_write_config_byte(pcidev,0x5a,0xc0); WriteLPCReg(0x28, 0x70 ); - if (via_ircc_open(0, &info,0x3076) == 0) + if (via_ircc_open(pcidev, &info, 0x3076) == 0) rc=0; } else rc = -ENODEV; //IR not turn on @@ -254,7 +248,7 @@ static int __devinit via_init_one (struct pci_dev *pcidev, const struct pci_devi info.irq=FirIRQ; info.dma=FirDRQ1; info.dma2=FirDRQ0; - if (via_ircc_open(0, &info,0x3096) == 0) + if (via_ircc_open(pcidev, &info, 0x3096) == 0) rc=0; } else rc = -ENODEV; //IR not turn on !!!!! @@ -264,48 +258,10 @@ static int __devinit via_init_one (struct pci_dev *pcidev, const struct pci_devi return rc; } -/* - * Function via_ircc_clean () - * - * Close all configured chips - * - */ -static void via_ircc_clean(void) -{ - int i; - - IRDA_DEBUG(3, "%s()\n", __func__); - - for (i=0; i < ARRAY_SIZE(dev_self); i++) { - if (dev_self[i]) - via_ircc_close(dev_self[i]); - } -} - -static void __devexit via_remove_one (struct pci_dev *pdev) -{ - IRDA_DEBUG(3, "%s()\n", __func__); - - /* FIXME : This is ugly. We should use pci_get_drvdata(pdev); - * to get our driver instance and call directly via_ircc_close(). - * See vlsi_ir for details... - * Jean II */ - via_ircc_clean(); - - /* FIXME : This should be in via_ircc_close(), because here we may - * theoritically disable still configured devices :-( - Jean II */ - pci_disable_device(pdev); -} - static void __exit via_ircc_cleanup(void) { IRDA_DEBUG(3, "%s()\n", __func__); - /* FIXME : This should be redundant, as pci_unregister_driver() - * should call via_remove_one() on each device. - * Jean II */ - via_ircc_clean(); - /* Cleanup all instances of the driver */ pci_unregister_driver (&via_driver); } @@ -324,12 +280,13 @@ static const struct net_device_ops via_ircc_fir_ops = { }; /* - * Function via_ircc_open (iobase, irq) + * Function via_ircc_open(pdev, iobase, irq) * * Open driver instance * */ -static __devinit int via_ircc_open(int i, chipio_t * info, unsigned int id) +static __devinit int via_ircc_open(struct pci_dev *pdev, chipio_t * info, + unsigned int id) { struct net_device *dev; struct via_ircc_cb *self; @@ -337,9 +294,6 @@ static __devinit int via_ircc_open(int i, chipio_t * info, unsigned int id) IRDA_DEBUG(3, "%s()\n", __func__); - if (i >= ARRAY_SIZE(dev_self)) - return -ENOMEM; - /* Allocate new instance of the driver */ dev = alloc_irdadev(sizeof(struct via_ircc_cb)); if (dev == NULL) @@ -349,13 +303,8 @@ static __devinit int via_ircc_open(int i, chipio_t * info, unsigned int id) self->netdev = dev; spin_lock_init(&self->lock); - /* FIXME : We should store our driver instance in the PCI layer, - * using pci_set_drvdata(), not in this array. - * See vlsi_ir for details... - Jean II */ - /* FIXME : 'i' is always 0 (see via_init_one()) :-( - Jean II */ - /* Need to store self somewhere */ - dev_self[i] = self; - self->index = i; + pci_set_drvdata(pdev, self); + /* Initialize Resource */ self->io.cfg_base = info->cfg_base; self->io.fir_base = info->fir_base; @@ -414,7 +363,7 @@ static __devinit int via_ircc_open(int i, chipio_t * info, unsigned int id) /* Allocate memory if needed */ self->rx_buff.head = - dma_alloc_coherent(NULL, self->rx_buff.truesize, + dma_alloc_coherent(&pdev->dev, self->rx_buff.truesize, &self->rx_buff_dma, GFP_KERNEL); if (self->rx_buff.head == NULL) { err = -ENOMEM; @@ -423,7 +372,7 @@ static __devinit int via_ircc_open(int i, chipio_t * info, unsigned int id) memset(self->rx_buff.head, 0, self->rx_buff.truesize); self->tx_buff.head = - dma_alloc_coherent(NULL, self->tx_buff.truesize, + dma_alloc_coherent(&pdev->dev, self->tx_buff.truesize, &self->tx_buff_dma, GFP_KERNEL); if (self->tx_buff.head == NULL) { err = -ENOMEM; @@ -455,33 +404,32 @@ static __devinit int via_ircc_open(int i, chipio_t * info, unsigned int id) via_hw_init(self); return 0; err_out4: - dma_free_coherent(NULL, self->tx_buff.truesize, + dma_free_coherent(&pdev->dev, self->tx_buff.truesize, self->tx_buff.head, self->tx_buff_dma); err_out3: - dma_free_coherent(NULL, self->rx_buff.truesize, + dma_free_coherent(&pdev->dev, self->rx_buff.truesize, self->rx_buff.head, self->rx_buff_dma); err_out2: release_region(self->io.fir_base, self->io.fir_ext); err_out1: + pci_set_drvdata(pdev, NULL); free_netdev(dev); - dev_self[i] = NULL; return err; } /* - * Function via_ircc_close (self) + * Function via_remove_one(pdev) * * Close driver instance * */ -static int via_ircc_close(struct via_ircc_cb *self) +static void __devexit via_remove_one(struct pci_dev *pdev) { + struct via_ircc_cb *self = pci_get_drvdata(pdev); int iobase; IRDA_DEBUG(3, "%s()\n", __func__); - IRDA_ASSERT(self != NULL, return -1;); - iobase = self->io.fir_base; ResetChip(iobase, 5); //hardware reset. @@ -493,16 +441,16 @@ static int via_ircc_close(struct via_ircc_cb *self) __func__, self->io.fir_base); release_region(self->io.fir_base, self->io.fir_ext); if (self->tx_buff.head) - dma_free_coherent(NULL, self->tx_buff.truesize, + dma_free_coherent(&pdev->dev, self->tx_buff.truesize, self->tx_buff.head, self->tx_buff_dma); if (self->rx_buff.head) - dma_free_coherent(NULL, self->rx_buff.truesize, + dma_free_coherent(&pdev->dev, self->rx_buff.truesize, self->rx_buff.head, self->rx_buff_dma); - dev_self[self->index] = NULL; + pci_set_drvdata(pdev, NULL); free_netdev(self->netdev); - return 0; + pci_disable_device(pdev); } /* diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c index 506cfd0372e..1ad1f6029af 100644 --- a/drivers/net/mlx4/eq.c +++ b/drivers/net/mlx4/eq.c @@ -603,7 +603,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) } for (i = 0; i < dev->caps.num_comp_vectors; ++i) { - err = mlx4_create_eq(dev, dev->caps.num_cqs + MLX4_NUM_SPARE_EQE, + err = mlx4_create_eq(dev, dev->caps.num_cqs - + dev->caps.reserved_cqs + + MLX4_NUM_SPARE_EQE, (dev->flags & MLX4_FLAG_MSI_X) ? i : 0, &priv->eq_table.eq[i]); if (err) { diff --git a/drivers/net/mlx4/mcg.c b/drivers/net/mlx4/mcg.c index e71372aa9cc..37150b2f642 100644 --- a/drivers/net/mlx4/mcg.c +++ b/drivers/net/mlx4/mcg.c @@ -469,7 +469,6 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 vep_num, u8 port, /*remove from list of promisc qps */ list_del(&pqp->list); - kfree(pqp); /* set the default entry not to include the removed one */ mailbox = mlx4_alloc_cmd_mailbox(dev); @@ -528,6 +527,8 @@ out_mailbox: out_list: if (back_to_list) list_add_tail(&pqp->list, &s_steer->promisc_qps[steer]); + else + kfree(pqp); out_mutex: mutex_unlock(&priv->mcg_table.mutex); return err; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 993c52c82ae..e870c0698bb 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -442,11 +442,11 @@ static int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, u32 flags, phy_interface_t interface) { struct device *d = &phydev->dev; + int err; /* Assume that if there is no driver, that it doesn't * exist, and we should use the genphy driver. */ if (NULL == d->driver) { - int err; d->driver = &genphy_driver.driver; err = d->driver->probe(d); @@ -474,7 +474,11 @@ static int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, /* Do initial configuration here, now that * we have certain key parameters * (dev_flags and interface) */ - return phy_init_hw(phydev); + err = phy_init_hw(phydev); + if (err) + phy_detach(phydev); + + return err; } /** diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 6f600cced6e..3ec22c30779 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -433,4 +433,19 @@ config USB_SIERRA_NET To compile this driver as a module, choose M here: the module will be called sierra_net. +config USB_VL600 + tristate "LG VL600 modem dongle" + depends on USB_NET_CDCETHER + select USB_ACM + help + Select this if you want to use an LG Electronics 4G/LTE usb modem + called VL600. This driver only handles the ethernet + interface exposed by the modem firmware. To establish a connection + you will first need a userspace program that sends the right + command to the modem through its CDC ACM port, and most + likely also a DHCP client. See this thread about using the + 4G modem from Verizon: + + http://ubuntuforums.org/showpost.php?p=10589647&postcount=17 + endmenu diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index cac17030118..c7ec8a5f0a9 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -27,4 +27,5 @@ obj-$(CONFIG_USB_IPHETH) += ipheth.o obj-$(CONFIG_USB_SIERRA_NET) += sierra_net.o obj-$(CONFIG_USB_NET_CX82310_ETH) += cx82310_eth.o obj-$(CONFIG_USB_NET_CDC_NCM) += cdc_ncm.o +obj-$(CONFIG_USB_VL600) += lg-vl600.o diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 9a60e415d76..51c259b6927 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -378,7 +378,7 @@ static void dumpspeed(struct usbnet *dev, __le32 *speeds) __le32_to_cpu(speeds[1]) / 1000); } -static void cdc_status(struct usbnet *dev, struct urb *urb) +void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) { struct usb_cdc_notification *event; @@ -418,8 +418,9 @@ static void cdc_status(struct usbnet *dev, struct urb *urb) break; } } +EXPORT_SYMBOL_GPL(usbnet_cdc_status); -static int cdc_bind(struct usbnet *dev, struct usb_interface *intf) +int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) { int status; struct cdc_state *info = (void *) &dev->data; @@ -441,6 +442,7 @@ static int cdc_bind(struct usbnet *dev, struct usb_interface *intf) */ return 0; } +EXPORT_SYMBOL_GPL(usbnet_cdc_bind); static int cdc_manage_power(struct usbnet *dev, int on) { @@ -452,18 +454,18 @@ static const struct driver_info cdc_info = { .description = "CDC Ethernet Device", .flags = FLAG_ETHER, // .check_connect = cdc_check_connect, - .bind = cdc_bind, + .bind = usbnet_cdc_bind, .unbind = usbnet_cdc_unbind, - .status = cdc_status, + .status = usbnet_cdc_status, .manage_power = cdc_manage_power, }; static const struct driver_info mbm_info = { .description = "Mobile Broadband Network Device", .flags = FLAG_WWAN, - .bind = cdc_bind, + .bind = usbnet_cdc_bind, .unbind = usbnet_cdc_unbind, - .status = cdc_status, + .status = usbnet_cdc_status, .manage_power = cdc_manage_power, }; @@ -560,6 +562,13 @@ static const struct usb_device_id products [] = { .driver_info = 0, }, +/* LG Electronics VL600 wants additional headers on every frame */ +{ + USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* * WHITELIST!!! * diff --git a/drivers/net/usb/lg-vl600.c b/drivers/net/usb/lg-vl600.c new file mode 100644 index 00000000000..1d83ccfd727 --- /dev/null +++ b/drivers/net/usb/lg-vl600.c @@ -0,0 +1,346 @@ +/* + * Ethernet interface part of the LG VL600 LTE modem (4G dongle) + * + * Copyright (C) 2011 Intel Corporation + * Author: Andrzej Zaborowski <balrogg@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/usb/cdc.h> +#include <linux/usb/usbnet.h> +#include <linux/if_ether.h> +#include <linux/if_arp.h> +#include <linux/inetdevice.h> + +/* + * The device has a CDC ACM port for modem control (it claims to be + * CDC ACM anyway) and a CDC Ethernet port for actual network data. + * It will however ignore data on both ports that is not encapsulated + * in a specific way, any data returned is also encapsulated the same + * way. The headers don't seem to follow any popular standard. + * + * This driver adds and strips these headers from the ethernet frames + * sent/received from the CDC Ethernet port. The proprietary header + * replaces the standard ethernet header in a packet so only actual + * ethernet frames are allowed. The headers allow some form of + * multiplexing by using non standard values of the .h_proto field. + * Windows/Mac drivers do send a couple of such frames to the device + * during initialisation, with protocol set to 0x0906 or 0x0b06 and (what + * seems to be) a flag in the .dummy_flags. This doesn't seem necessary + * for modem operation but can possibly be used for GPS or other funcitons. + */ + +struct vl600_frame_hdr { + __le32 len; + __le32 serial; + __le32 pkt_cnt; + __le32 dummy_flags; + __le32 dummy; + __le32 magic; +} __attribute__((packed)); + +struct vl600_pkt_hdr { + __le32 dummy[2]; + __le32 len; + __be16 h_proto; +} __attribute__((packed)); + +struct vl600_state { + struct sk_buff *current_rx_buf; +}; + +static int vl600_bind(struct usbnet *dev, struct usb_interface *intf) +{ + int ret; + struct vl600_state *s = kzalloc(sizeof(struct vl600_state), GFP_KERNEL); + + if (!s) + return -ENOMEM; + + ret = usbnet_cdc_bind(dev, intf); + if (ret) { + kfree(s); + return ret; + } + + dev->driver_priv = s; + + /* ARP packets don't go through, but they're also of no use. The + * subnet has only two hosts anyway: us and the gateway / DHCP + * server (probably simulated by modem firmware or network operator) + * whose address changes everytime we connect to the intarwebz and + * who doesn't bother answering ARP requests either. So hardware + * addresses have no meaning, the destination and the source of every + * packet depend only on whether it is on the IN or OUT endpoint. */ + dev->net->flags |= IFF_NOARP; + + return ret; +} + +static void vl600_unbind(struct usbnet *dev, struct usb_interface *intf) +{ + struct vl600_state *s = dev->driver_priv; + + if (s->current_rx_buf) + dev_kfree_skb(s->current_rx_buf); + + kfree(s); + + return usbnet_cdc_unbind(dev, intf); +} + +static int vl600_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + struct vl600_frame_hdr *frame; + struct vl600_pkt_hdr *packet; + struct ethhdr *ethhdr; + int packet_len, count; + struct sk_buff *buf = skb; + struct sk_buff *clone; + struct vl600_state *s = dev->driver_priv; + + /* Frame lengths are generally 4B multiplies but every couple of + * hours there's an odd number of bytes sized yet correct frame, + * so don't require this. */ + + /* Allow a packet (or multiple packets batched together) to be + * split across many frames. We don't allow a new batch to + * begin in the same frame another one is ending however, and no + * leading or trailing pad bytes. */ + if (s->current_rx_buf) { + frame = (struct vl600_frame_hdr *) s->current_rx_buf->data; + if (skb->len + s->current_rx_buf->len > + le32_to_cpup(&frame->len)) { + netif_err(dev, ifup, dev->net, "Fragment too long\n"); + dev->net->stats.rx_length_errors++; + goto error; + } + + buf = s->current_rx_buf; + memcpy(skb_put(buf, skb->len), skb->data, skb->len); + } else if (skb->len < 4) { + netif_err(dev, ifup, dev->net, "Frame too short\n"); + dev->net->stats.rx_length_errors++; + goto error; + } + + frame = (struct vl600_frame_hdr *) buf->data; + /* NOTE: Should check that frame->magic == 0x53544448? + * Otherwise if we receive garbage at the beginning of the frame + * we may end up allocating a huge buffer and saving all the + * future incoming data into it. */ + + if (buf->len < sizeof(*frame) || + buf->len != le32_to_cpup(&frame->len)) { + /* Save this fragment for later assembly */ + if (s->current_rx_buf) + return 0; + + s->current_rx_buf = skb_copy_expand(skb, 0, + le32_to_cpup(&frame->len), GFP_ATOMIC); + if (!s->current_rx_buf) { + netif_err(dev, ifup, dev->net, "Reserving %i bytes " + "for packet assembly failed.\n", + le32_to_cpup(&frame->len)); + dev->net->stats.rx_errors++; + } + + return 0; + } + + count = le32_to_cpup(&frame->pkt_cnt); + + skb_pull(buf, sizeof(*frame)); + + while (count--) { + if (buf->len < sizeof(*packet)) { + netif_err(dev, ifup, dev->net, "Packet too short\n"); + goto error; + } + + packet = (struct vl600_pkt_hdr *) buf->data; + packet_len = sizeof(*packet) + le32_to_cpup(&packet->len); + if (packet_len > buf->len) { + netif_err(dev, ifup, dev->net, + "Bad packet length stored in header\n"); + goto error; + } + + /* Packet header is same size as the ethernet header + * (sizeof(*packet) == sizeof(*ethhdr)), additionally + * the h_proto field is in the same place so we just leave it + * alone and fill in the remaining fields. + */ + ethhdr = (struct ethhdr *) skb->data; + if (be16_to_cpup(ðhdr->h_proto) == ETH_P_ARP && + buf->len > 0x26) { + /* Copy the addresses from packet contents */ + memcpy(ethhdr->h_source, + &buf->data[sizeof(*ethhdr) + 0x8], + ETH_ALEN); + memcpy(ethhdr->h_dest, + &buf->data[sizeof(*ethhdr) + 0x12], + ETH_ALEN); + } else { + memset(ethhdr->h_source, 0, ETH_ALEN); + memcpy(ethhdr->h_dest, dev->net->dev_addr, ETH_ALEN); + } + + if (count) { + /* Not the last packet in this batch */ + clone = skb_clone(buf, GFP_ATOMIC); + if (!clone) + goto error; + + skb_trim(clone, packet_len); + usbnet_skb_return(dev, clone); + + skb_pull(buf, (packet_len + 3) & ~3); + } else { + skb_trim(buf, packet_len); + + if (s->current_rx_buf) { + usbnet_skb_return(dev, buf); + s->current_rx_buf = NULL; + return 0; + } + + return 1; + } + } + +error: + if (s->current_rx_buf) { + dev_kfree_skb_any(s->current_rx_buf); + s->current_rx_buf = NULL; + } + dev->net->stats.rx_errors++; + return 0; +} + +static struct sk_buff *vl600_tx_fixup(struct usbnet *dev, + struct sk_buff *skb, gfp_t flags) +{ + struct sk_buff *ret; + struct vl600_frame_hdr *frame; + struct vl600_pkt_hdr *packet; + static uint32_t serial = 1; + int orig_len = skb->len - sizeof(struct ethhdr); + int full_len = (skb->len + sizeof(struct vl600_frame_hdr) + 3) & ~3; + + frame = (struct vl600_frame_hdr *) skb->data; + if (skb->len > sizeof(*frame) && skb->len == le32_to_cpup(&frame->len)) + return skb; /* Already encapsulated? */ + + if (skb->len < sizeof(struct ethhdr)) + /* Drop, device can only deal with ethernet packets */ + return NULL; + + if (!skb_cloned(skb)) { + int headroom = skb_headroom(skb); + int tailroom = skb_tailroom(skb); + + if (tailroom >= full_len - skb->len - sizeof(*frame) && + headroom >= sizeof(*frame)) + /* There's enough head and tail room */ + goto encapsulate; + + if (headroom + tailroom + skb->len >= full_len) { + /* There's enough total room, just readjust */ + skb->data = memmove(skb->head + sizeof(*frame), + skb->data, skb->len); + skb_set_tail_pointer(skb, skb->len); + goto encapsulate; + } + } + + /* Alloc a new skb with the required size */ + ret = skb_copy_expand(skb, sizeof(struct vl600_frame_hdr), full_len - + skb->len - sizeof(struct vl600_frame_hdr), flags); + dev_kfree_skb_any(skb); + if (!ret) + return ret; + skb = ret; + +encapsulate: + /* Packet header is same size as ethernet packet header + * (sizeof(*packet) == sizeof(struct ethhdr)), additionally the + * h_proto field is in the same place so we just leave it alone and + * overwrite the remaining fields. + */ + packet = (struct vl600_pkt_hdr *) skb->data; + memset(&packet->dummy, 0, sizeof(packet->dummy)); + packet->len = cpu_to_le32(orig_len); + + frame = (struct vl600_frame_hdr *) skb_push(skb, sizeof(*frame)); + memset(frame, 0, sizeof(*frame)); + frame->len = cpu_to_le32(full_len); + frame->serial = cpu_to_le32(serial++); + frame->pkt_cnt = cpu_to_le32(1); + + if (skb->len < full_len) /* Pad */ + skb_put(skb, full_len - skb->len); + + return skb; +} + +static const struct driver_info vl600_info = { + .description = "LG VL600 modem", + .flags = FLAG_ETHER | FLAG_RX_ASSEMBLE, + .bind = vl600_bind, + .unbind = vl600_unbind, + .status = usbnet_cdc_status, + .rx_fixup = vl600_rx_fixup, + .tx_fixup = vl600_tx_fixup, +}; + +static const struct usb_device_id products[] = { + { + USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long) &vl600_info, + }, + {}, /* End */ +}; +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver lg_vl600_driver = { + .name = "lg-vl600", + .id_table = products, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = usbnet_suspend, + .resume = usbnet_resume, +}; + +static int __init vl600_init(void) +{ + return usb_register(&lg_vl600_driver); +} +module_init(vl600_init); + +static void __exit vl600_exit(void) +{ + usb_deregister(&lg_vl600_driver); +} +module_exit(vl600_exit); + +MODULE_AUTHOR("Anrzej Zaborowski"); +MODULE_DESCRIPTION("LG-VL600 modem's ethernet link"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 95c41d56631..cf58b768256 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -387,8 +387,12 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) { if (dev->driver_info->rx_fixup && - !dev->driver_info->rx_fixup (dev, skb)) - goto error; + !dev->driver_info->rx_fixup (dev, skb)) { + /* With RX_ASSEMBLE, rx_fixup() must update counters */ + if (!(dev->driver_info->flags & FLAG_RX_ASSEMBLE)) + dev->net->stats.rx_errors++; + goto done; + } // else network stack removes extra byte if we forced a short packet if (skb->len) { @@ -401,8 +405,8 @@ static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) } netif_dbg(dev, rx_err, dev->net, "drop\n"); -error: dev->net->stats.rx_errors++; +done: skb_queue_tail(&dev->done, skb); } diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c index b86bc328463..332a2c4a891 100644 --- a/drivers/rtc/rtc-mrst.c +++ b/drivers/rtc/rtc-mrst.c @@ -319,7 +319,7 @@ static irqreturn_t mrst_rtc_irq(int irq, void *p) return IRQ_NONE; } -static int __init +static int __devinit vrtc_mrst_do_probe(struct device *dev, struct resource *iomem, int rtc_irq) { int retval = 0; @@ -391,7 +391,7 @@ static void rtc_mrst_do_shutdown(void) spin_unlock_irq(&rtc_lock); } -static void __exit rtc_mrst_do_remove(struct device *dev) +static void __devexit rtc_mrst_do_remove(struct device *dev) { struct mrst_rtc *mrst = dev_get_drvdata(dev); struct resource *iomem; @@ -500,14 +500,14 @@ static inline int mrst_poweroff(struct device *dev) #endif -static int __init vrtc_mrst_platform_probe(struct platform_device *pdev) +static int __devinit vrtc_mrst_platform_probe(struct platform_device *pdev) { return vrtc_mrst_do_probe(&pdev->dev, platform_get_resource(pdev, IORESOURCE_MEM, 0), platform_get_irq(pdev, 0)); } -static int __exit vrtc_mrst_platform_remove(struct platform_device *pdev) +static int __devexit vrtc_mrst_platform_remove(struct platform_device *pdev) { rtc_mrst_do_remove(&pdev->dev); return 0; @@ -525,7 +525,7 @@ MODULE_ALIAS("platform:vrtc_mrst"); static struct platform_driver vrtc_mrst_platform_driver = { .probe = vrtc_mrst_platform_probe, - .remove = __exit_p(vrtc_mrst_platform_remove), + .remove = __devexit_p(vrtc_mrst_platform_remove), .shutdown = vrtc_mrst_platform_shutdown, .driver = { .name = (char *) driver_name, diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c index 0571ef9639c..9f4b58b7daa 100644 --- a/drivers/scsi/ultrastor.c +++ b/drivers/scsi/ultrastor.c @@ -138,6 +138,7 @@ #include <linux/spinlock.h> #include <linux/stat.h> #include <linux/bitops.h> +#include <linux/delay.h> #include <asm/io.h> #include <asm/system.h> diff --git a/drivers/staging/altera-stapl/altera-jtag.c b/drivers/staging/altera-stapl/altera-jtag.c index 6b633b179a7..876308858b8 100644 --- a/drivers/staging/altera-stapl/altera-jtag.c +++ b/drivers/staging/altera-stapl/altera-jtag.c @@ -23,6 +23,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/delay.h> #include <linux/firmware.h> #include <linux/slab.h> #include <staging/altera.h> diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 428f4fe0b5f..0ad32888091 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -95,6 +95,7 @@ static void n_tty_set_room(struct tty_struct *tty) { /* tty->read_cnt is not read locked ? */ int left = N_TTY_BUF_SIZE - tty->read_cnt - 1; + int old_left; /* * If we are doing input canonicalization, and there are no @@ -104,7 +105,12 @@ static void n_tty_set_room(struct tty_struct *tty) */ if (left <= 0) left = tty->icanon && !tty->canon_data; + old_left = tty->receive_room; tty->receive_room = left; + + /* Did this open up the receive buffer? We may need to flip */ + if (left && !old_left) + schedule_work(&tty->buf.work); } static void put_tty_queue_nolock(unsigned char c, struct tty_struct *tty) diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index e1aee37270f..80484af781e 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1506,7 +1506,7 @@ config SERIAL_BCM63XX_CONSOLE config SERIAL_GRLIB_GAISLER_APBUART tristate "GRLIB APBUART serial support" - depends on OF + depends on OF && SPARC select SERIAL_CORE ---help--- Add support for the GRLIB APBUART serial port. diff --git a/drivers/tty/serial/apbuart.c b/drivers/tty/serial/apbuart.c index 1ab999b04ef..19a943693e4 100644 --- a/drivers/tty/serial/apbuart.c +++ b/drivers/tty/serial/apbuart.c @@ -555,10 +555,9 @@ static struct uart_driver grlib_apbuart_driver = { static int __devinit apbuart_probe(struct platform_device *op) { - int i = -1; + int i; struct uart_port *port = NULL; - i = 0; for (i = 0; i < grlib_apbuart_port_nr; i++) { if (op->dev.of_node == grlib_apbuart_nodes[i]) break; @@ -566,6 +565,7 @@ static int __devinit apbuart_probe(struct platform_device *op) port = &grlib_apbuart_ports[i]; port->dev = &op->dev; + port->irq = op->archdata.irqs[0]; uart_add_one_port(&grlib_apbuart_driver, (struct uart_port *) port); @@ -598,24 +598,12 @@ static struct platform_driver grlib_apbuart_of_driver = { static int grlib_apbuart_configure(void) { - struct device_node *np, *rp; - const u32 *prop; - int freq_khz, line = 0; - - /* Get bus frequency */ - rp = of_find_node_by_path("/"); - if (!rp) - return -ENODEV; - rp = of_get_next_child(rp, NULL); - if (!rp) - return -ENODEV; - prop = of_get_property(rp, "clock-frequency", NULL); - if (!prop) - return -ENODEV; - freq_khz = *prop; + struct device_node *np; + int line = 0; for_each_matching_node(np, apbuart_match) { - const int *irqs, *ampopts; + const int *ampopts; + const u32 *freq_hz; const struct amba_prom_registers *regs; struct uart_port *port; unsigned long addr; @@ -623,11 +611,11 @@ static int grlib_apbuart_configure(void) ampopts = of_get_property(np, "ampopts", NULL); if (ampopts && (*ampopts == 0)) continue; /* Ignore if used by another OS instance */ - - irqs = of_get_property(np, "interrupts", NULL); regs = of_get_property(np, "reg", NULL); + /* Frequency of APB Bus is frequency of UART */ + freq_hz = of_get_property(np, "freq", NULL); - if (!irqs || !regs) + if (!regs || !freq_hz || (*freq_hz == 0)) continue; grlib_apbuart_nodes[line] = np; @@ -638,12 +626,12 @@ static int grlib_apbuart_configure(void) port->mapbase = addr; port->membase = ioremap(addr, sizeof(struct grlib_apbuart_regs_map)); - port->irq = *irqs; + port->irq = 0; port->iotype = UPIO_MEM; port->ops = &grlib_apbuart_ops; port->flags = UPF_BOOT_AUTOCONF; port->line = line; - port->uartclk = freq_khz * 1000; + port->uartclk = *freq_hz; port->fifosize = apbuart_scan_fifo_size((struct uart_port *) port, line); line++; diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index b9451219528..f1a7918d71a 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -442,10 +442,8 @@ static void flush_to_ldisc(struct work_struct *work) line discipline as we want to empty the queue */ if (test_bit(TTY_FLUSHPENDING, &tty->flags)) break; - if (!tty->receive_room || seen_tail) { - schedule_work(&tty->buf.work); + if (!tty->receive_room || seen_tail) break; - } if (count > tty->receive_room) count = tty->receive_room; char_buf = head->char_buf_ptr + head->read; diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index d2c019637e4..ba0d28727cc 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -106,7 +106,7 @@ static void mct_u232_break_ctl(struct tty_struct *tty, int break_state); static int mct_u232_tiocmget(struct tty_struct *tty); static int mct_u232_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); -static int mct_u232_ioctl(struct tty_struct *tty, struct file *file, +static int mct_u232_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); static int mct_u232_get_icount(struct tty_struct *tty, struct serial_icounter_struct *icount); @@ -874,7 +874,7 @@ static void mct_u232_unthrottle(struct tty_struct *tty) } } -static int mct_u232_ioctl(struct tty_struct *tty, struct file *file, +static int mct_u232_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { DEFINE_WAIT(wait); diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 201f6096844..a1dd4d4fa19 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -413,7 +413,7 @@ static int opticon_tiocmget(struct tty_struct *tty) return result; } -static int opticon_tiocmset(struct tty_struct *tty, struct file *file, +static int opticon_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) { struct usb_serial_port *port = tty->driver_data; diff --git a/drivers/video/fb-puv3.c b/drivers/video/fb-puv3.c index dbd2dc4745d..27f2c57e06e 100644 --- a/drivers/video/fb-puv3.c +++ b/drivers/video/fb-puv3.c @@ -13,7 +13,6 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> -#include <linux/vmalloc.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/fb.h> @@ -531,7 +530,7 @@ static int unifb_set_par(struct fb_info *info) return -EINVAL; } - writel(PKUNITY_UNIGFX_MMAP_BASE, UDE_FSA); + writel(info->fix.smem_start, UDE_FSA); writel(info->var.yres, UDE_LS); writel(get_line_length(info->var.xres, info->var.bits_per_pixel) >> 3, UDE_PS); @@ -680,13 +679,27 @@ static int unifb_probe(struct platform_device *dev) struct fb_info *info; u32 unifb_regs[UNIFB_REGS_NUM]; int retval = -ENOMEM; - struct resource *iomem, *mapmem; + struct resource *iomem; + void *videomemory; + + videomemory = (void *)__get_free_pages(GFP_KERNEL | __GFP_COMP, + get_order(UNIFB_MEMSIZE)); + if (!videomemory) + goto err; + + memset(videomemory, 0, UNIFB_MEMSIZE); + + unifb_fix.smem_start = virt_to_phys(videomemory); + unifb_fix.smem_len = UNIFB_MEMSIZE; + + iomem = platform_get_resource(dev, IORESOURCE_MEM, 0); + unifb_fix.mmio_start = iomem->start; info = framebuffer_alloc(sizeof(u32)*256, &dev->dev); if (!info) goto err; - info->screen_base = (char __iomem *)KUSER_UNIGFX_BASE; + info->screen_base = (char __iomem *)videomemory; info->fbops = &unifb_ops; retval = fb_find_mode(&info->var, info, NULL, @@ -695,13 +708,6 @@ static int unifb_probe(struct platform_device *dev) if (!retval || (retval == 4)) info->var = unifb_default; - iomem = platform_get_resource(dev, IORESOURCE_MEM, 0); - unifb_fix.mmio_start = iomem->start; - - mapmem = platform_get_resource(dev, IORESOURCE_MEM, 1); - unifb_fix.smem_start = mapmem->start; - unifb_fix.smem_len = UNIFB_MEMSIZE; - info->fix = unifb_fix; info->pseudo_palette = info->par; info->par = NULL; diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index f2d2faf4d9a..e5a3f588000 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -194,6 +194,13 @@ extern void warn_slowpath_null(const char *file, const int line); #ifdef CONFIG_SMP # define WARN_ON_SMP(x) WARN_ON(x) #else +/* + * Use of ({0;}) because WARN_ON_SMP(x) may be used either as + * a stand alone line statement or as a condition in an if () + * statement. + * A simple "0" would cause gcc to give a "statement has no effect" + * warning. + */ # define WARN_ON_SMP(x) ({0;}) #endif diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 60edf9be31e..aaec09713be 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -778,6 +778,7 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern u8 *drm_find_cea_extension(struct edid *edid); extern bool drm_detect_hdmi_monitor(struct edid *edid); extern bool drm_detect_monitor_audio(struct edid *edid); extern int drm_mode_page_flip_ioctl(struct drm_device *dev, diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 820ee902948..816e30cbd96 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -472,6 +472,8 @@ {0x1002, 0x9803, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9804, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 50852aad260..a6bd117c9ff 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -158,9 +158,9 @@ struct ttm_tt; * the object is destroyed. * @event_queue: Queue for processes waiting on buffer object status change. * @mem: structure describing current placement. - * @persistant_swap_storage: Usually the swap storage is deleted for buffers + * @persistent_swap_storage: Usually the swap storage is deleted for buffers * pinned in physical memory. If this behaviour is not desired, this member - * holds a pointer to a persistant shmem object. + * holds a pointer to a persistent shmem object. * @ttm: TTM structure holding system pages. * @evicted: Whether the object was evicted without user-space knowing. * @cpu_writes: For synchronization. Number of cpu writers. @@ -221,7 +221,7 @@ struct ttm_buffer_object { */ struct ttm_mem_reg mem; - struct file *persistant_swap_storage; + struct file *persistent_swap_storage; struct ttm_tt *ttm; bool evicted; @@ -459,9 +459,9 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo); * user buffer object. * @interruptible: If needing to sleep to wait for GPU resources, * sleep interruptible. - * @persistant_swap_storage: Usually the swap storage is deleted for buffers + * @persistent_swap_storage: Usually the swap storage is deleted for buffers * pinned in physical memory. If this behaviour is not desired, this member - * holds a pointer to a persistant shmem object. Typically, this would + * holds a pointer to a persistent shmem object. Typically, this would * point to the shmem object backing a GEM object if TTM is used to back a * GEM user interface. * @acc_size: Accounted size for this object. @@ -490,7 +490,7 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev, uint32_t page_alignment, unsigned long buffer_start, bool interrubtible, - struct file *persistant_swap_storage, + struct file *persistent_swap_storage, size_t acc_size, void (*destroy) (struct ttm_buffer_object *)); /** @@ -506,9 +506,9 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev, * user buffer object. * @interruptible: If needing to sleep while waiting for GPU resources, * sleep interruptible. - * @persistant_swap_storage: Usually the swap storage is deleted for buffers + * @persistent_swap_storage: Usually the swap storage is deleted for buffers * pinned in physical memory. If this behaviour is not desired, this member - * holds a pointer to a persistant shmem object. Typically, this would + * holds a pointer to a persistent shmem object. Typically, this would * point to the shmem object backing a GEM object if TTM is used to back a * GEM user interface. * @p_bo: On successful completion *p_bo points to the created object. @@ -528,7 +528,7 @@ extern int ttm_bo_create(struct ttm_bo_device *bdev, uint32_t page_alignment, unsigned long buffer_start, bool interruptible, - struct file *persistant_swap_storage, + struct file *persistent_swap_storage, struct ttm_buffer_object **p_bo); /** diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index efed0820d9f..960b52181d4 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -122,7 +122,7 @@ struct ttm_backend { #define TTM_PAGE_FLAG_USER_DIRTY (1 << 2) #define TTM_PAGE_FLAG_WRITE (1 << 3) #define TTM_PAGE_FLAG_SWAPPED (1 << 4) -#define TTM_PAGE_FLAG_PERSISTANT_SWAP (1 << 5) +#define TTM_PAGE_FLAG_PERSISTENT_SWAP (1 << 5) #define TTM_PAGE_FLAG_ZERO_ALLOC (1 << 6) #define TTM_PAGE_FLAG_DMA32 (1 << 7) @@ -714,7 +714,7 @@ extern void ttm_tt_cache_flush(struct page *pages[], unsigned long num_pages); */ extern int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement); extern int ttm_tt_swapout(struct ttm_tt *ttm, - struct file *persistant_swap_storage); + struct file *persistent_swap_storage); /* * ttm_bo.c diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h index 475f8c42c0e..381f4cec826 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h @@ -443,6 +443,7 @@ void atm_dev_signal_change(struct atm_dev *dev, char signal); void vcc_insert_socket(struct sock *sk); +void atm_dev_release_vccs(struct atm_dev *dev); /* * This is approximately the algorithm used by alloc_skb. diff --git a/include/linux/connector.h b/include/linux/connector.h index bcafc942e5e..7c60d0942ad 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -88,8 +88,6 @@ struct cn_queue_dev { atomic_t refcnt; unsigned char name[CN_CBQ_NAMELEN]; - struct workqueue_struct *cn_queue; - struct list_head queue_list; spinlock_t queue_lock; @@ -101,20 +99,13 @@ struct cn_callback_id { struct cb_id id; }; -struct cn_callback_data { - struct sk_buff *skb; - void (*callback) (struct cn_msg *, struct netlink_skb_parms *); - - void *free; -}; - struct cn_callback_entry { struct list_head callback_entry; - struct work_struct work; + atomic_t refcnt; struct cn_queue_dev *pdev; struct cn_callback_id id; - struct cn_callback_data data; + void (*callback) (struct cn_msg *, struct netlink_skb_parms *); u32 seq, group; }; @@ -138,13 +129,12 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name, struct cb_id *id, void (*callback)(struct cn_msg *, struct netlink_skb_parms *)); void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id); +void cn_queue_release_callback(struct cn_callback_entry *); struct cn_queue_dev *cn_queue_alloc_dev(const char *name, struct sock *); void cn_queue_free_dev(struct cn_queue_dev *dev); int cn_cb_equal(struct cb_id *, struct cb_id *); -void cn_queue_wrapper(struct work_struct *work); - #endif /* __KERNEL__ */ #endif /* __CONNECTOR_H */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 11fd38151cc..4e2c9150a78 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -518,7 +518,7 @@ #define PCI_DEVICE_ID_AMD_11H_NB_MISC 0x1303 #define PCI_DEVICE_ID_AMD_11H_NB_LINK 0x1304 #define PCI_DEVICE_ID_AMD_15H_NB_F3 0x1603 -#define PCI_DEVICE_ID_AMD_15H_NB_LINK 0x1604 +#define PCI_DEVICE_ID_AMD_15H_NB_F4 0x1604 #define PCI_DEVICE_ID_AMD_CNB17H_F3 0x1703 #define PCI_DEVICE_ID_AMD_LANCE 0x2000 #define PCI_DEVICE_ID_AMD_LANCE_HOME 0x2001 diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 311b4dc785a..04d75a8a20e 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1086,7 +1086,7 @@ void perf_event_task_sched_out(struct task_struct *task, struct task_struct *nex { perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0); - COND_STMT(&perf_sched_events, __perf_event_task_sched_out(task, next)); + __perf_event_task_sched_out(task, next); } extern void perf_event_mmap(struct vm_area_struct *vma); diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index af561485628..ff422d2b7f9 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -339,6 +339,12 @@ extern int rcu_my_thread_group_empty(void); ((typeof(*p) __force __kernel *)(p)); \ }) +#define __rcu_access_index(p, space) \ + ({ \ + typeof(p) _________p1 = ACCESS_ONCE(p); \ + rcu_dereference_sparse(p, space); \ + (_________p1); \ + }) #define __rcu_dereference_index_check(p, c) \ ({ \ typeof(p) _________p1 = ACCESS_ONCE(p); \ @@ -429,6 +435,20 @@ extern int rcu_my_thread_group_empty(void); #define rcu_dereference_raw(p) rcu_dereference_check(p, 1) /*@@@ needed? @@@*/ /** + * rcu_access_index() - fetch RCU index with no dereferencing + * @p: The index to read + * + * Return the value of the specified RCU-protected index, but omit the + * smp_read_barrier_depends() and keep the ACCESS_ONCE(). This is useful + * when the value of this index is accessed, but the index is not + * dereferenced, for example, when testing an RCU-protected index against + * -1. Although rcu_access_index() may also be used in cases where + * update-side locks prevent the value of the index from changing, you + * should instead use rcu_dereference_index_protected() for this use case. + */ +#define rcu_access_index(p) __rcu_access_index((p), __rcu) + +/** * rcu_dereference_index_check() - rcu_dereference for indices with debug checking * @p: The pointer to read, prior to dereferencing * @c: The conditions under which the dereference will take place diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 239083bfea1..d9e52fa2416 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -126,7 +126,7 @@ struct sk_buff; * GRO uses frags we allocate at least 16 regardless of page size. */ #if (65536/PAGE_SIZE + 2) < 16 -#define MAX_SKB_FRAGS 16 +#define MAX_SKB_FRAGS 16UL #else #define MAX_SKB_FRAGS (65536/PAGE_SIZE + 2) #endif diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 44842c8d38c..201f2228f73 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -102,6 +102,7 @@ struct driver_info { * Affects statistic (counters) and short packet handling. */ #define FLAG_MULTI_PACKET 0x1000 +#define FLAG_RX_ASSEMBLE 0x2000 /* rx packets may span >1 frames */ /* init device ... can sleep, or cause probe() failure */ int (*bind)(struct usbnet *, struct usb_interface *); @@ -172,7 +173,9 @@ struct cdc_state { }; extern int usbnet_generic_cdc_bind(struct usbnet *, struct usb_interface *); +extern int usbnet_cdc_bind(struct usbnet *, struct usb_interface *); extern void usbnet_cdc_unbind(struct usbnet *, struct usb_interface *); +extern void usbnet_cdc_status(struct usbnet *, struct urb *); /* CDC and RNDIS support the same host-chosen packet filters for IN transfers */ #define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \ diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 04977eefb0e..fccc2180c61 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -286,5 +286,21 @@ static inline void ipv6_ib_mc_map(const struct in6_addr *addr, buf[9] = broadcast[9]; memcpy(buf + 10, addr->s6_addr + 6, 10); } + +static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr, + const unsigned char *broadcast, char *buf) +{ + if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) { + memcpy(buf, broadcast, 4); + } else { + /* v4mapped? */ + if ((addr->s6_addr32[0] | addr->s6_addr32[1] | + (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0) + return -EINVAL; + memcpy(buf, &addr->s6_addr32[3], 4); + } + return 0; +} + #endif #endif diff --git a/include/net/ip.h b/include/net/ip.h index a4f631108c5..7c416583b71 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -339,6 +339,14 @@ static inline void ip_ib_mc_map(__be32 naddr, const unsigned char *broadcast, ch buf[16] = addr & 0x0f; } +static inline void ip_ipgre_mc_map(__be32 naddr, const unsigned char *broadcast, char *buf) +{ + if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) + memcpy(buf, broadcast, 4); + else + memcpy(buf, &naddr, sizeof(naddr)); +} + #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) #include <linux/ipv6.h> #endif diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 979ed84e07d..ddc2b3d6be0 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -45,25 +45,25 @@ /* platform domain */ #define SND_SOC_DAPM_INPUT(wname) \ { .id = snd_soc_dapm_input, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0} + .num_kcontrols = 0, .reg = SND_SOC_NOPM } #define SND_SOC_DAPM_OUTPUT(wname) \ { .id = snd_soc_dapm_output, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0} + .num_kcontrols = 0, .reg = SND_SOC_NOPM } #define SND_SOC_DAPM_MIC(wname, wevent) \ { .id = snd_soc_dapm_mic, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0, .event = wevent, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} #define SND_SOC_DAPM_HP(wname, wevent) \ { .id = snd_soc_dapm_hp, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0, .event = wevent, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} #define SND_SOC_DAPM_SPK(wname, wevent) \ { .id = snd_soc_dapm_spk, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0, .event = wevent, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} #define SND_SOC_DAPM_LINE(wname, wevent) \ { .id = snd_soc_dapm_line, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0, .event = wevent, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} /* path domain */ @@ -189,11 +189,11 @@ /* events that are pre and post DAPM */ #define SND_SOC_DAPM_PRE(wname, wevent) \ { .id = snd_soc_dapm_pre, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0, .event = wevent, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} #define SND_SOC_DAPM_POST(wname, wevent) \ { .id = snd_soc_dapm_post, .name = wname, .kcontrols = NULL, \ - .num_kcontrols = 0, .event = wevent, \ + .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} /* stream domain */ diff --git a/kernel/perf_event.c b/kernel/perf_event.c index c75925c4d1e..27960f114ef 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -145,8 +145,8 @@ static struct srcu_struct pmus_srcu; */ int sysctl_perf_event_paranoid __read_mostly = 1; -/* Minimum for 128 pages + 1 for the user control page */ -int sysctl_perf_event_mlock __read_mostly = 516; /* 'free' kb per user */ +/* Minimum for 512 kiB + 1 user control page */ +int sysctl_perf_event_mlock __read_mostly = 512 + (PAGE_SIZE / 1024); /* 'free' kiB per user */ /* * max perf event sample rate @@ -6531,6 +6531,11 @@ SYSCALL_DEFINE5(perf_event_open, goto err_alloc; } + if (task) { + put_task_struct(task); + task = NULL; + } + /* * Look up the group leader (we will attach this event to it): */ diff --git a/kernel/sched.c b/kernel/sched.c index f592ce6f861..a8845516ace 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5011,6 +5011,17 @@ recheck: return -EINVAL; } + /* + * If not changing anything there's no need to proceed further: + */ + if (unlikely(policy == p->policy && (!rt_policy(policy) || + param->sched_priority == p->rt_priority))) { + + __task_rq_unlock(rq); + raw_spin_unlock_irqrestore(&p->pi_lock, flags); + return 0; + } + #ifdef CONFIG_RT_GROUP_SCHED if (user) { /* diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 3f7ec9e27ee..c7ec5c8e7b4 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -22,6 +22,7 @@ #include <linux/latencytop.h> #include <linux/sched.h> +#include <linux/cpumask.h> /* * Targeted preemption latency for CPU-bound tasks: @@ -3850,8 +3851,8 @@ static void rebalance_domains(int cpu, enum cpu_idle_type idle) interval = msecs_to_jiffies(interval); if (unlikely(!interval)) interval = 1; - if (interval > HZ*NR_CPUS/10) - interval = HZ*NR_CPUS/10; + if (interval > HZ*num_online_cpus()/10) + interval = HZ*num_online_cpus()/10; need_serialize = sd->flags & SD_SERIALIZE; diff --git a/kernel/signal.c b/kernel/signal.c index 1186cf7fac7..dc17929ab78 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -226,7 +226,7 @@ static inline void print_dropped_signal(int sig) /* * allocate a new signal queue record * - this may be called without locks if and only if t == current, otherwise an - * appopriate lock must be held to stop the target task from exiting + * appropriate lock must be held to stop the target task from exiting */ static struct sigqueue * __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimit) @@ -375,15 +375,15 @@ int unhandled_signal(struct task_struct *tsk, int sig) return !tracehook_consider_fatal_signal(tsk, sig); } - -/* Notify the system that a driver wants to block all signals for this +/* + * Notify the system that a driver wants to block all signals for this * process, and wants to be notified if any signals at all were to be * sent/acted upon. If the notifier routine returns non-zero, then the * signal will be acted upon after all. If the notifier routine returns 0, * then then signal will be blocked. Only one block per process is * allowed. priv is a pointer to private data that the notifier routine - * can use to determine if the signal should be blocked or not. */ - + * can use to determine if the signal should be blocked or not. + */ void block_all_signals(int (*notifier)(void *priv), void *priv, sigset_t *mask) { @@ -434,9 +434,10 @@ still_pending: copy_siginfo(info, &first->info); __sigqueue_free(first); } else { - /* Ok, it wasn't in the queue. This must be - a fast-pathed signal or we must have been - out of queue space. So zero out the info. + /* + * Ok, it wasn't in the queue. This must be + * a fast-pathed signal or we must have been + * out of queue space. So zero out the info. */ info->si_signo = sig; info->si_errno = 0; @@ -468,7 +469,7 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask, } /* - * Dequeue a signal and return the element to the caller, which is + * Dequeue a signal and return the element to the caller, which is * expected to free it. * * All callers have to hold the siglock. @@ -490,7 +491,7 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) * itimers are process shared and we restart periodic * itimers in the signal delivery path to prevent DoS * attacks in the high resolution timer case. This is - * compliant with the old way of self restarting + * compliant with the old way of self-restarting * itimers, as the SIGALRM is a legacy signal and only * queued once. Changing the restart behaviour to * restart the timer in the signal dequeue path is @@ -923,14 +924,15 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t, if (info == SEND_SIG_FORCED) goto out_set; - /* Real-time signals must be queued if sent by sigqueue, or - some other real-time mechanism. It is implementation - defined whether kill() does so. We attempt to do so, on - the principle of least surprise, but since kill is not - allowed to fail with EAGAIN when low on memory we just - make sure at least one signal gets delivered and don't - pass on the info struct. */ - + /* + * Real-time signals must be queued if sent by sigqueue, or + * some other real-time mechanism. It is implementation + * defined whether kill() does so. We attempt to do so, on + * the principle of least surprise, but since kill is not + * allowed to fail with EAGAIN when low on memory we just + * make sure at least one signal gets delivered and don't + * pass on the info struct. + */ if (sig < SIGRTMIN) override_rlimit = (is_si_special(info) || info->si_code >= 0); else @@ -1201,8 +1203,7 @@ retry: return error; } -int -kill_proc_info(int sig, struct siginfo *info, pid_t pid) +int kill_proc_info(int sig, struct siginfo *info, pid_t pid) { int error; rcu_read_lock(); @@ -1299,8 +1300,7 @@ static int kill_something_info(int sig, struct siginfo *info, pid_t pid) * These are for backward compatibility with the rest of the kernel source. */ -int -send_sig_info(int sig, struct siginfo *info, struct task_struct *p) +int send_sig_info(int sig, struct siginfo *info, struct task_struct *p) { /* * Make sure legacy kernel users don't send in bad values @@ -1368,7 +1368,7 @@ EXPORT_SYMBOL(kill_pid); * These functions support sending signals using preallocated sigqueue * structures. This is needed "because realtime applications cannot * afford to lose notifications of asynchronous events, like timer - * expirations or I/O completions". In the case of Posix Timers + * expirations or I/O completions". In the case of POSIX Timers * we allocate the sigqueue structure from the timer_create. If this * allocation fails we are able to report the failure to the application * with an EAGAIN error. @@ -1553,7 +1553,7 @@ static void do_notify_parent_cldstop(struct task_struct *tsk, int why) info.si_signo = SIGCHLD; info.si_errno = 0; /* - * see comment in do_notify_parent() abot the following 3 lines + * see comment in do_notify_parent() about the following 4 lines */ rcu_read_lock(); info.si_pid = task_pid_nr_ns(tsk, parent->nsproxy->pid_ns); @@ -1611,7 +1611,7 @@ static inline int may_ptrace_stop(void) } /* - * Return nonzero if there is a SIGKILL that should be waking us up. + * Return non-zero if there is a SIGKILL that should be waking us up. * Called with the siglock held. */ static int sigkill_pending(struct task_struct *tsk) @@ -1735,7 +1735,7 @@ void ptrace_notify(int exit_code) /* * This performs the stopping for SIGSTOP and other stop signals. * We have to stop all threads in the thread group. - * Returns nonzero if we've actually stopped and released the siglock. + * Returns non-zero if we've actually stopped and released the siglock. * Returns zero if we didn't stop and still hold the siglock. */ static int do_signal_stop(int signr) @@ -1823,10 +1823,12 @@ static int ptrace_signal(int signr, siginfo_t *info, current->exit_code = 0; - /* Update the siginfo structure if the signal has - changed. If the debugger wanted something - specific in the siginfo structure then it should - have updated *info via PTRACE_SETSIGINFO. */ + /* + * Update the siginfo structure if the signal has + * changed. If the debugger wanted something + * specific in the siginfo structure then it should + * have updated *info via PTRACE_SETSIGINFO. + */ if (signr != info->si_signo) { info->si_signo = signr; info->si_errno = 0; @@ -2034,7 +2036,8 @@ void exit_signals(struct task_struct *tsk) if (!signal_pending(tsk)) goto out; - /* It could be that __group_complete_signal() choose us to + /* + * It could be that __group_complete_signal() choose us to * notify about group-wide signal. Another thread should be * woken now to take the signal since we will not. */ @@ -2072,6 +2075,9 @@ EXPORT_SYMBOL(unblock_all_signals); * System call entry points. */ +/** + * sys_restart_syscall - restart a system call + */ SYSCALL_DEFINE0(restart_syscall) { struct restart_block *restart = ¤t_thread_info()->restart_block; @@ -2125,6 +2131,13 @@ int sigprocmask(int how, sigset_t *set, sigset_t *oldset) return error; } +/** + * sys_rt_sigprocmask - change the list of currently blocked signals + * @how: whether to add, remove, or set signals + * @set: stores pending signals + * @oset: previous value of signal mask if non-null + * @sigsetsize: size of sigset_t type + */ SYSCALL_DEFINE4(rt_sigprocmask, int, how, sigset_t __user *, set, sigset_t __user *, oset, size_t, sigsetsize) { @@ -2183,8 +2196,14 @@ long do_sigpending(void __user *set, unsigned long sigsetsize) out: return error; -} +} +/** + * sys_rt_sigpending - examine a pending signal that has been raised + * while blocked + * @set: stores pending signals + * @sigsetsize: size of sigset_t type or larger + */ SYSCALL_DEFINE2(rt_sigpending, sigset_t __user *, set, size_t, sigsetsize) { return do_sigpending(set, sigsetsize); @@ -2233,9 +2252,9 @@ int copy_siginfo_to_user(siginfo_t __user *to, siginfo_t *from) err |= __put_user(from->si_trapno, &to->si_trapno); #endif #ifdef BUS_MCEERR_AO - /* + /* * Other callers might not initialize the si_lsb field, - * so check explicitely for the right codes here. + * so check explicitly for the right codes here. */ if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO) err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb); @@ -2264,6 +2283,14 @@ int copy_siginfo_to_user(siginfo_t __user *to, siginfo_t *from) #endif +/** + * sys_rt_sigtimedwait - synchronously wait for queued signals specified + * in @uthese + * @uthese: queued signals to wait for + * @uinfo: if non-null, the signal's siginfo is returned here + * @uts: upper bound on process time suspension + * @sigsetsize: size of sigset_t type + */ SYSCALL_DEFINE4(rt_sigtimedwait, const sigset_t __user *, uthese, siginfo_t __user *, uinfo, const struct timespec __user *, uts, size_t, sigsetsize) @@ -2280,7 +2307,7 @@ SYSCALL_DEFINE4(rt_sigtimedwait, const sigset_t __user *, uthese, if (copy_from_user(&these, uthese, sizeof(these))) return -EFAULT; - + /* * Invert the set of allowed signals to get those we * want to block. @@ -2305,9 +2332,11 @@ SYSCALL_DEFINE4(rt_sigtimedwait, const sigset_t __user *, uthese, + (ts.tv_sec || ts.tv_nsec)); if (timeout) { - /* None ready -- temporarily unblock those we're + /* + * None ready -- temporarily unblock those we're * interested while we are sleeping in so that we'll - * be awakened when they arrive. */ + * be awakened when they arrive. + */ current->real_blocked = current->blocked; sigandsets(¤t->blocked, ¤t->blocked, &these); recalc_sigpending(); @@ -2339,6 +2368,11 @@ SYSCALL_DEFINE4(rt_sigtimedwait, const sigset_t __user *, uthese, return ret; } +/** + * sys_kill - send a signal to a process + * @pid: the PID of the process + * @sig: signal to be sent + */ SYSCALL_DEFINE2(kill, pid_t, pid, int, sig) { struct siginfo info; @@ -2414,7 +2448,11 @@ SYSCALL_DEFINE3(tgkill, pid_t, tgid, pid_t, pid, int, sig) return do_tkill(tgid, pid, sig); } -/* +/** + * sys_tkill - send signal to one specific task + * @pid: the PID of the task + * @sig: signal to be sent + * * Send a signal to only one task, even if it's a CLONE_THREAD task. */ SYSCALL_DEFINE2(tkill, pid_t, pid, int, sig) @@ -2426,6 +2464,12 @@ SYSCALL_DEFINE2(tkill, pid_t, pid, int, sig) return do_tkill(0, pid, sig); } +/** + * sys_rt_sigqueueinfo - send signal information to a signal + * @pid: the PID of the thread + * @sig: signal to be sent + * @uinfo: signal info to be sent + */ SYSCALL_DEFINE3(rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t __user *, uinfo) { @@ -2553,12 +2597,11 @@ do_sigaltstack (const stack_t __user *uss, stack_t __user *uoss, unsigned long s error = -EINVAL; /* - * - * Note - this code used to test ss_flags incorrectly + * Note - this code used to test ss_flags incorrectly: * old code may have been written using ss_flags==0 * to mean ss_flags==SS_ONSTACK (as this was the only * way that worked) - this fix preserves that older - * mechanism + * mechanism. */ if (ss_flags != SS_DISABLE && ss_flags != SS_ONSTACK && ss_flags != 0) goto out; @@ -2592,6 +2635,10 @@ out: #ifdef __ARCH_WANT_SYS_SIGPENDING +/** + * sys_sigpending - examine pending signals + * @set: where mask of pending signal is returned + */ SYSCALL_DEFINE1(sigpending, old_sigset_t __user *, set) { return do_sigpending(set, sizeof(*set)); @@ -2600,8 +2647,15 @@ SYSCALL_DEFINE1(sigpending, old_sigset_t __user *, set) #endif #ifdef __ARCH_WANT_SYS_SIGPROCMASK -/* Some platforms have their own version with special arguments others - support only sys_rt_sigprocmask. */ +/** + * sys_sigprocmask - examine and change blocked signals + * @how: whether to add, remove, or set signals + * @set: signals to add or remove (if non-null) + * @oset: previous value of signal mask if non-null + * + * Some platforms have their own version with special arguments; + * others support only sys_rt_sigprocmask. + */ SYSCALL_DEFINE3(sigprocmask, int, how, old_sigset_t __user *, set, old_sigset_t __user *, oset) @@ -2654,6 +2708,13 @@ out: #endif /* __ARCH_WANT_SYS_SIGPROCMASK */ #ifdef __ARCH_WANT_SYS_RT_SIGACTION +/** + * sys_rt_sigaction - alter an action taken by a process + * @sig: signal to be sent + * @act: the thread group ID of the thread + * @oact: the PID of the thread + * @sigsetsize: size of sigset_t type + */ SYSCALL_DEFINE4(rt_sigaction, int, sig, const struct sigaction __user *, act, struct sigaction __user *, oact, @@ -2740,6 +2801,12 @@ SYSCALL_DEFINE0(pause) #endif #ifdef __ARCH_WANT_SYS_RT_SIGSUSPEND +/** + * sys_rt_sigsuspend - replace the signal mask for a value with the + * @unewset value until a signal is received + * @unewset: new signal mask value + * @sigsetsize: size of sigset_t type + */ SYSCALL_DEFINE2(rt_sigsuspend, sigset_t __user *, unewset, size_t, sigsetsize) { sigset_t newset; diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 5f1bb8e2008..f6117a4c7cb 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -652,6 +652,8 @@ int do_adjtimex(struct timex *txc) struct timespec delta; delta.tv_sec = txc->time.tv_sec; delta.tv_nsec = txc->time.tv_usec; + if (!capable(CAP_SYS_TIME)) + return -EPERM; if (!(txc->modes & ADJ_NANO)) delta.tv_nsec *= 1000; result = timekeeping_inject_offset(&delta); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index df9234c5f9d..c768bcdda1b 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -434,11 +434,9 @@ config DEBUG_KMEMLEAK_EARLY_LOG_SIZE config DEBUG_KMEMLEAK_TEST tristate "Simple test for the kernel memory leak detector" - depends on DEBUG_KMEMLEAK + depends on DEBUG_KMEMLEAK && m help - Say Y or M here to build a test for the kernel memory leak - detector. This option enables a module that explicitly leaks - memory. + This option enables a module that explicitly leaks memory. If unsure, say N. diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 206e771e82d..956a5302002 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1051,16 +1051,17 @@ static int atalk_release(struct socket *sock) { struct sock *sk = sock->sk; - sock_hold(sk); - lock_sock(sk); if (sk) { + sock_hold(sk); + lock_sock(sk); + sock_orphan(sk); sock->sk = NULL; atalk_destroy_socket(sk); - } - release_sock(sk); - sock_put(sk); + release_sock(sk); + sock_put(sk); + } return 0; } diff --git a/net/atm/common.c b/net/atm/common.c index 1b9c52a02cd..22b963d06a1 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -252,6 +252,7 @@ void atm_dev_release_vccs(struct atm_dev *dev) } write_unlock_irq(&vcc_sklist_lock); } +EXPORT_SYMBOL(atm_dev_release_vccs); static int adjust_tp(struct atm_trafprm *tp, unsigned char aal) { diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index f61eb2eff3f..59660c909a7 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1475,7 +1475,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, ip6h->payload_len == 0) return 0; - len = ntohs(ip6h->payload_len); + len = ntohs(ip6h->payload_len) + sizeof(*ip6h); if (skb->len < len) return -EINVAL; diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 5593f5aec94..9b61d09de9b 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -213,7 +213,7 @@ bool br_stp_recalculate_bridge_id(struct net_bridge *br) /* user has chosen a value so keep it */ if (br->flags & BR_SET_MAC_ADDR) - return; + return false; list_for_each_entry(p, &br->port_list, list) { if (addr == br_mac_zero || diff --git a/net/core/dev.c b/net/core/dev.c index 563ddc28139..3da9fb06d47 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1454,6 +1454,27 @@ static inline void net_timestamp_check(struct sk_buff *skb) __net_timestamp(skb); } +static inline bool is_skb_forwardable(struct net_device *dev, + struct sk_buff *skb) +{ + unsigned int len; + + if (!(dev->flags & IFF_UP)) + return false; + + len = dev->mtu + dev->hard_header_len + VLAN_HLEN; + if (skb->len <= len) + return true; + + /* if TSO is enabled, we don't care about the length as the packet + * could be forwarded without being segmented before + */ + if (skb_is_gso(skb)) + return true; + + return false; +} + /** * dev_forward_skb - loopback an skb to another netif * @@ -1477,8 +1498,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) skb_orphan(skb); nf_reset(skb); - if (unlikely(!(dev->flags & IFF_UP) || - (skb->len > (dev->mtu + dev->hard_header_len + VLAN_HLEN)))) { + if (unlikely(!is_skb_forwardable(dev, skb))) { atomic_long_inc(&dev->rx_dropped); kfree_skb(skb); return NET_RX_DROP; diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 090d273d786..1b74d3b6437 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -215,6 +215,9 @@ int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir) case ARPHRD_INFINIBAND: ip_ib_mc_map(addr, dev->broadcast, haddr); return 0; + case ARPHRD_IPGRE: + ip_ipgre_mc_map(addr, dev->broadcast, haddr); + return 0; default: if (dir) { memcpy(haddr, dev->broadcast, dev->addr_len); diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index f116ce8f1b4..451088330bb 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1068,6 +1068,7 @@ static void ip_fib_net_exit(struct net *net) fib4_rules_exit(net); #endif + rtnl_lock(); for (i = 0; i < FIB_TABLE_HASHSZ; i++) { struct fib_table *tb; struct hlist_head *head; @@ -1080,6 +1081,7 @@ static void ip_fib_net_exit(struct net *net) fib_free_table(tb); } } + rtnl_unlock(); kfree(net->ipv4.fib_table_hash); } diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 0e49c9db3c9..92f952d093d 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -341,6 +341,8 @@ int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int d case ARPHRD_INFINIBAND: ipv6_ib_mc_map(addr, dev->broadcast, buf); return 0; + case ARPHRD_IPGRE: + return ipv6_ipgre_mc_map(addr, dev->broadcast, buf); default: if (dir) { memcpy(buf, dev->broadcast, dev->addr_len); diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 152976ec0b7..d5bf91d04f6 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -1205,7 +1205,7 @@ SCTP_STATIC __init int sctp_init(void) if ((sctp_assoc_hashsize > (64 * 1024)) && order > 0) continue; sctp_assoc_hashtable = (struct sctp_hashbucket *) - __get_free_pages(GFP_ATOMIC, order); + __get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order); } while (!sctp_assoc_hashtable && --order > 0); if (!sctp_assoc_hashtable) { pr_err("Failed association hash alloc\n"); @@ -1238,7 +1238,7 @@ SCTP_STATIC __init int sctp_init(void) if ((sctp_port_hashsize > (64 * 1024)) && order > 0) continue; sctp_port_hashtable = (struct sctp_bind_hashbucket *) - __get_free_pages(GFP_ATOMIC, order); + __get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order); } while (!sctp_port_hashtable && --order > 0); if (!sctp_port_hashtable) { pr_err("Failed bind hash alloc\n"); diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index a82e3756a72..64449cb8f87 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -375,6 +375,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream, } if (runtime->no_period_wakeup) { + snd_pcm_sframes_t xrun_threshold; /* * Without regular period interrupts, we have to check * the elapsed time to detect xruns. @@ -383,7 +384,8 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream, if (jdelta < runtime->hw_ptr_buffer_jiffies / 2) goto no_delta_check; hdelta = jdelta - delta * HZ / runtime->rate; - while (hdelta > runtime->hw_ptr_buffer_jiffies / 2 + 1) { + xrun_threshold = runtime->hw_ptr_buffer_jiffies / 2 + 1; + while (hdelta > xrun_threshold) { delta += runtime->buffer_size; hw_base += runtime->buffer_size; if (hw_base >= runtime->boundary) diff --git a/sound/firewire/speakers.c b/sound/firewire/speakers.c index 0fce9218abb..5466de8527b 100644 --- a/sound/firewire/speakers.c +++ b/sound/firewire/speakers.c @@ -778,10 +778,9 @@ static int __devexit fwspk_remove(struct device *dev) { struct fwspk *fwspk = dev_get_drvdata(dev); - snd_card_disconnect(fwspk->card); - mutex_lock(&fwspk->mutex); amdtp_out_stream_pcm_abort(&fwspk->stream); + snd_card_disconnect(fwspk->card); fwspk_stop_stream(fwspk); mutex_unlock(&fwspk->mutex); diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c index 537cfba829a..863eafea691 100644 --- a/sound/pci/ens1370.c +++ b/sound/pci/ens1370.c @@ -229,6 +229,7 @@ MODULE_PARM_DESC(lineio, "Line In to Rear Out (0 = auto, 1 = force)."); #define ES_REG_1371_CODEC 0x14 /* W/R: Codec Read/Write register address */ #define ES_1371_CODEC_RDY (1<<31) /* codec ready */ #define ES_1371_CODEC_WIP (1<<30) /* codec register access in progress */ +#define EV_1938_CODEC_MAGIC (1<<26) #define ES_1371_CODEC_PIRD (1<<23) /* codec read/write select register */ #define ES_1371_CODEC_WRITE(a,d) ((((a)&0x7f)<<16)|(((d)&0xffff)<<0)) #define ES_1371_CODEC_READS(a) ((((a)&0x7f)<<16)|ES_1371_CODEC_PIRD) @@ -603,12 +604,18 @@ static void snd_es1370_codec_write(struct snd_ak4531 *ak4531, #ifdef CHIP1371 +static inline bool is_ev1938(struct ensoniq *ensoniq) +{ + return ensoniq->pci->device == 0x8938; +} + static void snd_es1371_codec_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { struct ensoniq *ensoniq = ac97->private_data; - unsigned int t, x; + unsigned int t, x, flag; + flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0; mutex_lock(&ensoniq->src_mutex); for (t = 0; t < POLL_COUNT; t++) { if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) { @@ -630,7 +637,8 @@ static void snd_es1371_codec_write(struct snd_ac97 *ac97, 0x00010000) break; } - outl(ES_1371_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1371_CODEC)); + outl(ES_1371_CODEC_WRITE(reg, val) | flag, + ES_REG(ensoniq, 1371_CODEC)); /* restore SRC reg */ snd_es1371_wait_src_ready(ensoniq); outl(x, ES_REG(ensoniq, 1371_SMPRATE)); @@ -647,8 +655,9 @@ static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97, unsigned short reg) { struct ensoniq *ensoniq = ac97->private_data; - unsigned int t, x, fail = 0; + unsigned int t, x, flag, fail = 0; + flag = is_ev1938(ensoniq) ? EV_1938_CODEC_MAGIC : 0; __again: mutex_lock(&ensoniq->src_mutex); for (t = 0; t < POLL_COUNT; t++) { @@ -671,7 +680,8 @@ static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97, 0x00010000) break; } - outl(ES_1371_CODEC_READS(reg), ES_REG(ensoniq, 1371_CODEC)); + outl(ES_1371_CODEC_READS(reg) | flag, + ES_REG(ensoniq, 1371_CODEC)); /* restore SRC reg */ snd_es1371_wait_src_ready(ensoniq); outl(x, ES_REG(ensoniq, 1371_SMPRATE)); @@ -683,6 +693,11 @@ static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97, /* now wait for the stinkin' data (RDY) */ for (t = 0; t < POLL_COUNT; t++) { if ((x = inl(ES_REG(ensoniq, 1371_CODEC))) & ES_1371_CODEC_RDY) { + if (is_ev1938(ensoniq)) { + for (t = 0; t < 100; t++) + inl(ES_REG(ensoniq, CONTROL)); + x = inl(ES_REG(ensoniq, 1371_CODEC)); + } mutex_unlock(&ensoniq->src_mutex); return ES_1371_CODEC_READ(x); } diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index d08cf31596f..69e33869a53 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -3034,6 +3034,7 @@ static struct snd_pci_quirk cxt5066_cfg_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x21c5, "Thinkpad Edge 13", CXT5066_THINKPAD), SND_PCI_QUIRK(0x17aa, 0x21c6, "Thinkpad Edge 13", CXT5066_ASUS), SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo Thinkpad", CXT5066_THINKPAD), + SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT5066_THINKPAD), SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo G560", CXT5066_ASUS), SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo", CXT5066_IDEAPAD), /* Fallback for Lenovos without dock mic */ {} diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0ef0035fe99..12c6f4508c5 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9863,7 +9863,6 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = { SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC883_LAPTOP_EAPD), SND_PCI_QUIRK(0x10f1, 0x2350, "TYAN-S2350", ALC888_6ST_DELL), SND_PCI_QUIRK(0x108e, 0x534d, NULL, ALC883_3ST_6ch), - SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P35 DS3R", ALC882_6ST_DIG), SND_PCI_QUIRK(0x1462, 0x0349, "MSI", ALC883_TARGA_2ch_DIG), SND_PCI_QUIRK(0x1462, 0x040d, "MSI", ALC883_TARGA_2ch_DIG), @@ -10700,6 +10699,7 @@ enum { PINFIX_LENOVO_Y530, PINFIX_PB_M5210, PINFIX_ACER_ASPIRE_7736, + PINFIX_GIGABYTE_880GM, }; static const struct alc_fixup alc882_fixups[] = { @@ -10731,6 +10731,13 @@ static const struct alc_fixup alc882_fixups[] = { .type = ALC_FIXUP_SKU, .v.sku = ALC_FIXUP_SKU_IGNORE, }, + [PINFIX_GIGABYTE_880GM] = { + .type = ALC_FIXUP_PINS, + .v.pins = (const struct alc_pincfg[]) { + { 0x14, 0x1114410 }, /* set as speaker */ + { } + } + }, }; static struct snd_pci_quirk alc882_fixup_tbl[] = { @@ -10738,6 +10745,7 @@ static struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Y530", PINFIX_LENOVO_Y530), SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", PINFIX_ABIT_AW9D_MAX), SND_PCI_QUIRK(0x1025, 0x0296, "Acer Aspire 7736z", PINFIX_ACER_ASPIRE_7736), + SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte", PINFIX_GIGABYTE_880GM), {} }; @@ -18774,8 +18782,6 @@ static struct snd_pci_quirk alc662_cfg_tbl[] = { ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x1179, 0xff6e, "Toshiba NB20x", ALC662_AUTO), SND_PCI_QUIRK(0x144d, 0xca00, "Samsung NC10", ALC272_SAMSUNG_NC10), - SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte 945GCM-S2L", - ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x152d, 0x2304, "Quanta WH1", ALC663_ASUS_H13), SND_PCI_QUIRK(0x1565, 0x820f, "Biostar TA780G M2+", ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x1631, 0xc10c, "PB RS65", ALC663_ASUS_M51VA), @@ -19449,6 +19455,7 @@ enum { ALC662_FIXUP_IDEAPAD, ALC272_FIXUP_MARIO, ALC662_FIXUP_CZC_P10T, + ALC662_FIXUP_GIGABYTE, }; static const struct alc_fixup alc662_fixups[] = { @@ -19477,12 +19484,20 @@ static const struct alc_fixup alc662_fixups[] = { {} } }, + [ALC662_FIXUP_GIGABYTE] = { + .type = ALC_FIXUP_PINS, + .v.pins = (const struct alc_pincfg[]) { + { 0x14, 0x1114410 }, /* set as speaker */ + { } + } + }, }; static struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE), SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE), SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD), + SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte", ALC662_FIXUP_GIGABYTE), SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo Ideapad Y550P", ALC662_FIXUP_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Ideapad Y550", ALC662_FIXUP_IDEAPAD), SND_PCI_QUIRK(0x1b35, 0x2206, "CZC P10T", ALC662_FIXUP_CZC_P10T), diff --git a/sound/soc/codecs/sn95031.c b/sound/soc/codecs/sn95031.c index 2a30eae1881..a54d2a5b28f 100644 --- a/sound/soc/codecs/sn95031.c +++ b/sound/soc/codecs/sn95031.c @@ -26,7 +26,9 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/platform_device.h> +#include <linux/delay.h> #include <linux/slab.h> + #include <asm/intel_scu_ipc.h> #include <sound/pcm.h> #include <sound/pcm_params.h> diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index 00b6d87e7bd..eb1a0b4e09b 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -324,6 +324,10 @@ static void dac33_init_chip(struct snd_soc_codec *codec) dac33_write(codec, DAC33_OUT_AMP_CTRL, dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL)); + dac33_write(codec, DAC33_LDAC_PWR_CTRL, + dac33_read_reg_cache(codec, DAC33_LDAC_PWR_CTRL)); + dac33_write(codec, DAC33_RDAC_PWR_CTRL, + dac33_read_reg_cache(codec, DAC33_RDAC_PWR_CTRL)); } static inline int dac33_read_id(struct snd_soc_codec *codec) @@ -670,6 +674,7 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33) { struct snd_soc_codec *codec = dac33->codec; unsigned int delay; + unsigned long flags; switch (dac33->fifo_mode) { case DAC33_FIFO_MODE1: @@ -677,10 +682,10 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33) DAC33_THRREG(dac33->nsample)); /* Take the timestamps */ - spin_lock_irq(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp2 = ktime_to_us(ktime_get()); dac33->t_stamp1 = dac33->t_stamp2; - spin_unlock_irq(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); dac33_write16(codec, DAC33_PREFILL_MSB, DAC33_THRREG(dac33->alarm_threshold)); @@ -692,11 +697,11 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33) break; case DAC33_FIFO_MODE7: /* Take the timestamp */ - spin_lock_irq(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp1 = ktime_to_us(ktime_get()); /* Move back the timestamp with drain time */ dac33->t_stamp1 -= dac33->mode7_us_to_lthr; - spin_unlock_irq(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); dac33_write16(codec, DAC33_PREFILL_MSB, DAC33_THRREG(DAC33_MODE7_MARGIN)); @@ -714,13 +719,14 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33) static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33) { struct snd_soc_codec *codec = dac33->codec; + unsigned long flags; switch (dac33->fifo_mode) { case DAC33_FIFO_MODE1: /* Take the timestamp */ - spin_lock_irq(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp2 = ktime_to_us(ktime_get()); - spin_unlock_irq(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); dac33_write16(codec, DAC33_NSAMPLE_MSB, DAC33_THRREG(dac33->nsample)); @@ -773,10 +779,11 @@ static irqreturn_t dac33_interrupt_handler(int irq, void *dev) { struct snd_soc_codec *codec = dev; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); + unsigned long flags; - spin_lock(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp1 = ktime_to_us(ktime_get()); - spin_unlock(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); /* Do not schedule the workqueue in Mode7 */ if (dac33->fifo_mode != DAC33_FIFO_MODE7) @@ -1173,15 +1180,16 @@ static snd_pcm_sframes_t dac33_dai_delay( unsigned int time_delta, uthr; int samples_out, samples_in, samples; snd_pcm_sframes_t delay = 0; + unsigned long flags; switch (dac33->fifo_mode) { case DAC33_FIFO_BYPASS: break; case DAC33_FIFO_MODE1: - spin_lock(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); t0 = dac33->t_stamp1; t1 = dac33->t_stamp2; - spin_unlock(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); t_now = ktime_to_us(ktime_get()); /* We have not started to fill the FIFO yet, delay is 0 */ @@ -1246,10 +1254,10 @@ static snd_pcm_sframes_t dac33_dai_delay( } break; case DAC33_FIFO_MODE7: - spin_lock(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); t0 = dac33->t_stamp1; uthr = dac33->uthr; - spin_unlock(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); t_now = ktime_to_us(ktime_get()); /* We have not started to fill the FIFO yet, delay is 0 */ diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 482fcdb59bf..255901c4460 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -1629,8 +1629,10 @@ static int twl6040_probe(struct snd_soc_codec *codec) priv->naudint = naudint; priv->workqueue = create_singlethread_workqueue("twl6040-codec"); - if (!priv->workqueue) + if (!priv->workqueue) { + ret = -ENOMEM; goto work_err; + } INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work); diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c index 671ef8dd524..aab7765f401 100644 --- a/sound/soc/imx/imx-pcm-dma-mx2.c +++ b/sound/soc/imx/imx-pcm-dma-mx2.c @@ -110,12 +110,12 @@ static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream, slave_config.direction = DMA_TO_DEVICE; slave_config.dst_addr = dma_params->dma_addr; slave_config.dst_addr_width = buswidth; - slave_config.dst_maxburst = dma_params->burstsize; + slave_config.dst_maxburst = dma_params->burstsize * buswidth; } else { slave_config.direction = DMA_FROM_DEVICE; slave_config.src_addr = dma_params->dma_addr; slave_config.src_addr_width = buswidth; - slave_config.src_maxburst = dma_params->burstsize; + slave_config.src_maxburst = dma_params->burstsize * buswidth; } ret = dmaengine_slave_config(iprtd->dma_chan, &slave_config); @@ -303,6 +303,11 @@ static struct snd_soc_platform_driver imx_soc_platform_mx2 = { static int __devinit imx_soc_platform_probe(struct platform_device *pdev) { + struct imx_ssi *ssi = platform_get_drvdata(pdev); + + ssi->dma_params_tx.burstsize = 6; + ssi->dma_params_rx.burstsize = 4; + return snd_soc_register_platform(&pdev->dev, &imx_soc_platform_mx2); } diff --git a/sound/soc/imx/imx-ssi.h b/sound/soc/imx/imx-ssi.h index a4406a13489..dc8a87530e3 100644 --- a/sound/soc/imx/imx-ssi.h +++ b/sound/soc/imx/imx-ssi.h @@ -234,7 +234,4 @@ void imx_pcm_free(struct snd_pcm *pcm); */ #define IMX_SSI_DMABUF_SIZE (64 * 1024) -#define DMA_RXFIFO_BURST 0x4 -#define DMA_TXFIFO_BURST 0x6 - #endif /* _IMX_SSI_H */ diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c index 784cff5f67e..9027da466ca 100644 --- a/sound/soc/pxa/corgi.c +++ b/sound/soc/pxa/corgi.c @@ -310,7 +310,7 @@ static struct snd_soc_dai_link corgi_dai = { .cpu_dai_name = "pxa2xx-i2s", .codec_dai_name = "wm8731-hifi", .platform_name = "pxa-pcm-audio", - .codec_name = "wm8731-codec-0.001b", + .codec_name = "wm8731-codec.0-001b", .init = corgi_wm8731_init, .ops = &corgi_ops, }; diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 158c30e8210..207dee5c5b1 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -165,8 +165,12 @@ grep-libs = $(filter -l%,$(1)) strip-libs = $(filter-out -l%,$(1)) $(OUTPUT)python/perf.so: $(PYRF_OBJS) - $(QUIET_GEN)python util/setup.py --quiet build_ext --build-lib='$(OUTPUT)python' \ - --build-temp='$(OUTPUT)python/temp' + $(QUIET_GEN)( \ + export CFLAGS="$(BASIC_CFLAGS)"; \ + python util/setup.py --quiet build_ext --build-lib='$(OUTPUT)python' \ + --build-temp='$(OUTPUT)python/temp' \ + ) + # # No Perl scripts right now: # diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 6febcc168a8..17d1dcb3c66 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -41,7 +41,7 @@ static u64 user_interval = ULLONG_MAX; static u64 default_interval = 0; static unsigned int page_size; -static unsigned int mmap_pages = 128; +static unsigned int mmap_pages = UINT_MAX; static unsigned int user_freq = UINT_MAX; static int freq = 1000; static int output; @@ -275,11 +275,10 @@ try_again: !no_inherit) < 0) { int err = errno; - if (err == EPERM || err == EACCES) - die("Permission error - are you root?\n" - "\t Consider tweaking" - " /proc/sys/kernel/perf_event_paranoid.\n"); - else if (err == ENODEV && cpu_list) { + if (err == EPERM || err == EACCES) { + ui__warning_paranoid(); + exit(EXIT_FAILURE); + } else if (err == ENODEV && cpu_list) { die("No such device - did you specify" " an out-of-range profile CPU?\n"); } else if (err == EINVAL && sample_id_all_avail) { @@ -302,11 +301,19 @@ try_again: && attr->config == PERF_COUNT_HW_CPU_CYCLES) { if (verbose) - warning(" ... trying to fall back to cpu-clock-ticks\n"); + ui__warning("The cycles event is not supported, " + "trying to fall back to cpu-clock-ticks\n"); attr->type = PERF_TYPE_SOFTWARE; attr->config = PERF_COUNT_SW_CPU_CLOCK; goto try_again; } + + if (err == ENOENT) { + ui__warning("The %s event is not supported.\n", + event_name(pos)); + exit(EXIT_FAILURE); + } + printf("\n"); error("sys_perf_event_open() syscall returned with %d (%s). /bin/dmesg may provide additional information.\n", err, strerror(err)); @@ -506,6 +513,10 @@ static int __cmd_record(int argc, const char **argv) if (have_tracepoints(&evsel_list->entries)) perf_header__set_feat(&session->header, HEADER_TRACE_INFO); + /* 512 kiB: default amount of unprivileged mlocked memory */ + if (mmap_pages == UINT_MAX) + mmap_pages = (512 * 1024) / page_size; + if (forks) { child_pid = fork(); if (child_pid < 0) { diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 676b4fb0070..fc1273e976c 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -850,10 +850,10 @@ try_again: top.evlist->threads, group, inherit) < 0) { int err = errno; - if (err == EPERM || err == EACCES) - die("Permission error - are you root?\n" - "\t Consider tweaking" - " /proc/sys/kernel/perf_event_paranoid.\n"); + if (err == EPERM || err == EACCES) { + ui__warning_paranoid(); + goto out_err; + } /* * If it's cycles then fall back to hrtimer * based cpu-clock-tick sw counter, which @@ -861,25 +861,41 @@ try_again: */ if (attr->type == PERF_TYPE_HARDWARE && attr->config == PERF_COUNT_HW_CPU_CYCLES) { - if (verbose) - warning(" ... trying to fall back to cpu-clock-ticks\n"); + ui__warning("Cycles event not supported,\n" + "trying to fall back to cpu-clock-ticks\n"); attr->type = PERF_TYPE_SOFTWARE; attr->config = PERF_COUNT_SW_CPU_CLOCK; goto try_again; } - printf("\n"); - error("sys_perf_event_open() syscall returned with %d " - "(%s). /bin/dmesg may provide additional information.\n", - err, strerror(err)); - die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); - exit(-1); + + if (err == ENOENT) { + ui__warning("The %s event is not supported.\n", + event_name(counter)); + goto out_err; + } + + ui__warning("The sys_perf_event_open() syscall " + "returned with %d (%s). /bin/dmesg " + "may provide additional information.\n" + "No CONFIG_PERF_EVENTS=y kernel support " + "configured?\n", err, strerror(err)); + goto out_err; } } - if (perf_evlist__mmap(evlist, mmap_pages, false) < 0) - die("failed to mmap with %d (%s)\n", errno, strerror(errno)); + if (perf_evlist__mmap(evlist, mmap_pages, false) < 0) { + ui__warning("Failed to mmap with %d (%s)\n", + errno, strerror(errno)); + goto out_err; + } + + return; + +out_err: + exit_browser(0); + exit(0); } static int __cmd_top(void) diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index d4536a9e0d8..155749d7435 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -57,6 +57,16 @@ void ui__warning(const char *format, ...) } #endif +void ui__warning_paranoid(void) +{ + ui__warning("Permission error - are you root?\n" + "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n" + " -1 - Not paranoid at all\n" + " 0 - Disallow raw tracepoint access for unpriv\n" + " 1 - Disallow cpu events for unpriv\n" + " 2 - Disallow kernel profiling for unpriv\n"); +} + void trace_event(union perf_event *event) { unsigned char *raw_event = (void *)event; diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index 93516cf4682..fd53db47e3d 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -36,5 +36,6 @@ int ui_helpline__show_help(const char *format, va_list ap); #endif void ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2))); +void ui__warning_paranoid(void); #endif /* __PERF_DEBUG_H */ diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 2b15c362ef5..1023f67633a 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -710,7 +710,7 @@ try_again: * in the whole kernel symbol list. */ if ((long long)al->addr < 0 && - cpumode == PERF_RECORD_MISC_KERNEL && + cpumode == PERF_RECORD_MISC_USER && machine && mg != &machine->kmaps) { mg = &machine->kmaps; goto try_again; diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index e24ffadb20b..bbc982f5dd8 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -1,13 +1,18 @@ #!/usr/bin/python2 from distutils.core import setup, Extension +from os import getenv + +cflags = ['-fno-strict-aliasing', '-Wno-write-strings'] +cflags += getenv('CFLAGS', '').split() perf = Extension('perf', sources = ['util/python.c', 'util/ctype.c', 'util/evlist.c', 'util/evsel.c', 'util/cpumap.c', 'util/thread_map.c', 'util/util.c', 'util/xyarray.c', 'util/cgroup.c'], include_dirs = ['util/include'], - extra_compile_args = ['-fno-strict-aliasing', '-Wno-write-strings']) + extra_compile_args = cflags, + ) setup(name='perf', version='0.1', diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 17df793c892..f06c10f092b 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1196,6 +1196,8 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, if (curr_dso == NULL) goto out_elf_end; curr_dso->kernel = self->kernel; + curr_dso->long_name = self->long_name; + curr_dso->long_name_len = self->long_name_len; curr_map = map__new2(start, curr_dso, map->type); if (curr_map == NULL) { @@ -1842,6 +1844,7 @@ int dso__load_vmlinux(struct dso *self, struct map *map, if (fd < 0) return -1; + dso__set_long_name(self, (char *)vmlinux); dso__set_loaded(self, map->type); err = dso__load_sym(self, map, symfs_vmlinux, fd, filter, 0, 0); close(fd); @@ -2403,6 +2406,8 @@ int symbol__init(void) if (symbol_conf.initialized) return 0; + symbol_conf.priv_size = ALIGN(symbol_conf.priv_size, sizeof(u64)); + elf_version(EV_CURRENT); if (symbol_conf.sort_by_name) symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) - |