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remove wait_runtime based fields and features, now that the CFS
math has been changed over to the vruntime metric.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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remove the wait_runtime-limit fields and the code depending on it, now
that the math has been changed over to rely on the vruntime metric.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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introduce se->vruntime as a sum of weighted delta-exec's, and use that
as the key into the tree.
the idea to use absolute virtual time as the basic metric of scheduling
has been first raised by William Lee Irwin, advanced by Tong Li and first
prototyped by Roman Zippel in the "Really Fair Scheduler" (RFS) patchset.
also see:
http://lkml.org/lkml/2007/9/2/76
for a simpler variant of this patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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remove the stat_gran code - it was disabled by default and it causes
unnecessary overhead.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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use constants if !CONFIG_SCHED_DEBUG.
this speeds up the code and reduces code-size:
text data bss dec hex filename
27464 3014 16 30494 771e sched.o.before
26929 3010 20 29959 7507 sched.o.after
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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track the maximum amount of time a task has executed while
the CPU load was at least 2x. (i.e. at least two nice-0
tasks were runnable)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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The 64bit SMP bootup is slightly different to the 32bit one. It enables
the boot CPU local APIC timer before all CPUs are brought up. Some AMD C1E
systems have the C1E feature flag only set in the secondary CPU. Due to
the early enable of the boot CPU local APIC timer the APIC timer is
registered as a fully functional device. When we detect the wreckage during
the bringup of the secondary CPU, we need to force the boot CPU into
broadcast mode.
Add a new notifier reason and implement the force broadcast in the clock
events layer.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: (53 commits)
hwmon: (vt8231) fix sparse warning
hwmon: (sis5595) fix sparse warning
hwmon: (w83627hf) don't assume bank 0
hwmon: (w83627hf) Fix setting fan min right after driver load
hwmon: (w83627hf) De-macro sysfs callback functions
hwmon: Add new combined driver for FSC chips
hwmon: (ibmpex) Release IPMI user if hwmon registration fails
hwmon: (dme1737) Add sch311x support
hwmon: (dme1737) group functions logically
hwmon: (dme1737) cleanups
hwmon: IBM power meter driver
hwmon: (coretemp) Add support for Celeron 4xx
hwmon: (lm87) Disable VID when it should be
hwmon: (w83781d) Add individual alarm and beep files
hwmon: VRM is not read from registers
MAINTAINERS: update hwmon subsystem git trees
hwmon: Fix the code examples in documentation
hwmon: update sysfs interface document - error handling
hwmon: (thmc50) Fix a debug message
hwmon: (thmc50) Don't create temp3 if not enabled
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all uses of and almost all assignments to lro_desc->tcp_ack assume that it's
net-endian; one converts net-endian to host-endian and sticks it in
lro_desc->tcp_ack.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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deal with signedness of the stuff passed to set_bit() et.al.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (21 commits)
HID: hidraw_connect() memleak fix
HID: add hidraw interface
USB HID: provide hook for hidraw write()
HID: hiddev: Add 32bit ioctl compatibilty
HID: Add GeneralTouch touchscreen to the blacklist
HID: add support for Microsoft Wireless Laser Keyboard 6000
Input: add KEY_LOGOFF
USBHID: report descriptor fix for MacBook JIS keyboard
HID: trivial fixes in hid-debug
HID: fix input mapping for Microsoft Ergonomic Keyboard
HID: use hid-plff driver for GreenAsia 0e8f:0003 devices
USBHID: Add HID_QUIRK_NOGET for ELO Touch Screen 2700 display
HID: enable hiddev for the SantaRosa MacBookPro IR receiver
USBHID: add CM109 device to blacklist
HID: Report usage codes of keys as EV_MSC scancode events
HID: ignore all non-LED usages in output fields in hid-input
HID: fix whitespace damage
HID: add support for Thrustmaster FGT Force Feedback wheel
HID: minimal autosuspend support for USB HID devices
HID: add support for Microsoft Natural Ergonomic Keyboard 4000
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hidraw is an interface that is going to obsolete hiddev one
day.
Many userland applications are using libusb instead of using
kernel-provided hiddev interface. This is caused by various
reasons - the HID parser in kernel doesn't handle all the
HID hardware on the planet properly, some devices might require
its own specific quirks/drivers, etc.
hiddev interface tries to do its best to parse all the received
reports properly, and presents only parsed usages into userspace.
This is however often not enough, and that's the reason why
many userland applications just don't use hiddev at all, and
rather use libusb to read raw USB events and process them on
their own.
Another drawback of hiddev is that it is USB-specific.
hidraw interface provides userspace readers with really raw HID
reports, no matter what the low-level transport layer is (USB/BT),
and gives the userland applications all the freedom to process
the HID reports in a way they wish to.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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HUT 1.12 defines Logoff usage 0x19c in Consumer page. There are
keyboards out there emitting this usage code (for example Microsoft
Wireless Laser Keyboard 6000). Add this key so that HID code could
map usages to it.
Signed-off-by: Khelben Blackstaff <eye.of.the.8eholder@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch fixes the problem, that Japanese MacBook doesn't recognize some keys
like '\'(yen, or backslash), '|'(pipe), and '_'(underscore).
It is due to that MacBook JIS keyboard (jp106) sends wrong report descriptor.
It saids "logical maximum = 0x65", so Keyboard.0089 is mapped to Key.Unknown,
while it should be accepted as Key.Yen.
Signed-off-by: Tomoya Adachi <adachi@il.is.s.u-tokyo.ac.jp>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The infrared remote receiver found in the SantaRosa MacBookPro
laptops (MacBookPro3,1) need to be forced to expose a HIDDEV
interface (instead of HIDINPUT) so that lirc can access it using
the 'macmini' driver.
The patch below adds the required quirk for forcing the HIDDEV
interface to be activated (HID_QUIRK_HIDDEV) and introduces a new
quirk which forces the HIDINPUT interface to be ignored
(HID_QUIRK_IGNORE_HIDINPUT).
Note that Apple calls this receiver 'IRController4' (info taken
from Apple's driver Info.plist). Older Mac{Book,Mini,Pro}s seem
to all use the 'IRController1' device (USB id 05ac:8240) which
doesn't need those quirks.
Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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HUT 1.12 defines Spell Check usage 0x1ab in Consumer page. There are
keyboards out there emitting this usage code (for example Microsoft
Natural Ergonomic Keyboard 4000). Add this key so that HID code could
map usages to it.
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We used to need this to compute virt_irq --> ino, but that
is no longer necessary.
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have a place to stick INO information in the
virt_to_real_irq_table[], which is currently only used for VIRQs.
And that is readily accessible from the one __irq_ino() call site.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently we chain IVEC entries using 32-bit "pointers"
because we know that the ivector_table is in the main
kernel image, thus below 4GB.
This uses proper 64-bit pointers instead.
Whilst this bloats up the kernel image size, this sets
the infrastructure necessary to significantly shrink the
kernel size by using physical addresses and dynamically
allocating the ivector table.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This also makes us use the MSI queues correctly.
Each MSI queue is serviced by a normal sun4u/sun4v INO interrupt
handler. This handler runs the MSI queue and dispatches the
virtual interrupts indicated by arriving MSIs in that MSI queue.
All of the common logic is placed in pci_msi.c, with callbacks to
handle the PCI controller specific aspects of the operations.
This common infrastructure will make it much easier to add MSG
support.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added asm-sparc/irqflags.h and moved irq related code from system.h to it.
Renamed local_irq functions to raw_local_irq in irq.c.
Modified system.h to include linux/irqflags.h which includes asm/irqflags.h.
Added TRACE_IRQFLAGS_SUPPORT to Kconfig.debug.
This is the first step in adding IRQ-flags state tracing as outlined in
Documentation/irqflags-tracing.txt. These changes should be harmless
because they just move things around and rename them.
The next step is making the lowlevel entry code modifications which
to be honest are beyond my capabilities at this point.
Boot tested on an ss20 running an SMP kernel.
Signed-off-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The support code is identical to the hypervisor sun4v stuff,
just replacing the hypervisor calls with register reads and
writes in the Fire controller.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename I2C_FUNC_SMBUS_HWPEC_CALC as I2C_FUNC_SMBUS_PEC, and list that
functionality as always available through the software implementation.
Update documentation accordingly (and list similar requirements).
The way it's currently packaged doesn't present the capability in a
useful way.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Move the i2c-dev support into <linux/i2c-dev.h> where it should always
have lived. Now <linux/i2c.h> no longer holds stuff related to the
optional userspace /dev/i2c-X interface. Improve the descriptions
for these ioctl requests.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This removes:
- An effectively unused hook: i2c_algorithm.algo_control.
- The i2c_control() call, used only by i2c-dev to call that
unused hook or set two barely supported adapter params.
(That param setting moves into i2c-dev.c ... still iffy
due to lack of locking, but no other changes.)
As shown by diffstat, this is a net code shrink. It also reduces the
complexity of the I2C adapter and /dev interfaces.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Clarify use of the I2C_M_* flags by highlighting the fact that
most of them depend on I2C_FUNC_PROTOCOL_MANGLING.
Also provide kerneldoc for i2c_smbus_read_block_data() and also
for "struct i2c_msg".
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com>
Acked-by: Trilok Soni <soni.trilok@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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After the i2c-isa removal some code can become static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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We need to be able to flag I2C devices, such as RTCs, which can issue wake
events (usually through IRQ lines). This adds an i2c_board_info.flags bit,
and uses it to initialize the i2c device node. (And shrinks a few lines
that were overly long.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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I2C devices do not have any form of ID as PCI or USB devices have.
No driver uses "MODULE_DEVICE_TABLE(i2c, ...)" because it doesn't
make sense. So we can get rid of struct i2c_device_id and the
associated support code.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Greg KH <greg@kroah.com>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] SMP: Fix use of cpumasks.
[MIPS] Revert "[MIPS] tlbex.c: Cleanup __init usage."
[MIPS] CFE: Add missing parenthesis.
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (27 commits)
alim15x3: remove redundant m5229_revision check
sc1200: fix ->dma_base equal zero handling
cs5520: fix ->dma_base equal zero handling
sgiioc4: add missing ->dma_base check
cs5535: add missing ->dma_base check
ide: remove CONFIG_IDEDMA_IVB config option
ide: change master/slave IDENTIFY order
ide: move ide_config_drive_speed() calls to upper layers (take 2)
pdc202xx_new: check ide_config_drive_speed() return value
cs5535: check ide_config_drive_speed() return value
amd74xx/via82cxxx: check ide_config_drive_speed() return value
au1xxx: fix au1xxx_set_pio_mode()
icside: use ide_tune_dma()
ide-pmac: fix PIO setup and enable autotune
ide-pmac: use ide_tune_dma() (take 2)
ide-pmac: remove pmac_ide_do_setfeature() (take 2)
ide-pmac: remove nIEN clearing from pmac_ide_do_setfeature()
ide-pmac: use __ide_wait_stat()
ide-pmac: remove extra good status wait from pmac_ide_do_setfeature()
ide: add __ide_wait_stat() helper
...
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* git://git.infradead.org/mtd-2.6: (91 commits)
[MTD] [NAND] Blackfin on-chip NAND Flash Controller driver
[MTD] [NOR] fix ctrl-alt-del can't reboot for intel flash bug
[MTD] [NAND] Fix compiler warning in Alauda driver
[JFFS2] Remove stray debugging printk
[JFFS2] Handle dirents on the flash with embedded zero bytes in names.
[JFFS2] Check for creation of dirents with embedded zero bytes in name.
[JFFS2] Don't count all 'very dirty' blocks except in debug mode
[JFFS2] Check whether garbage-collection actually obsoleted its victim.
[JFFS2] Relax threshold for triggering GC due to dirty blocks.
[MTD] [OneNAND] Fix typo related with recent commit
[JFFS2] Trigger garbage collection when very_dirty_list size becomes excessive
[MTD] [NAND] Avoid deadlock in erase callback; release chip lock first.
[MTD] [NAND] Resume method for CAFÉ NAND controller
[MTD] [NAND] Fix PCI ident table for CAFÉ NAND controller.
[MTD] [NAND] s3c2410: fix arch moves
[MTD] [OneNAND] fix numerous races
[MTD] map driver for NOR flash on the Intel Vermilion Range chipset
[JFFS2] Fix unpoint length
[MTD] fix CFI point method for discontiguous maps
[MTD] MAPS: Merge Lubbock and Mainstone drivers into common PXA2xx driver
...
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (106 commits)
KVM: Replace enum by #define
KVM: Skip pio instruction when it is emulated, not executed
KVM: x86 emulator: popf
KVM: x86 emulator: fix src, dst value initialization
KVM: x86 emulator: jmp abs
KVM: x86 emulator: lea
KVM: X86 emulator: jump conditional short
KVM: x86 emulator: imlpement jump conditional relative
KVM: x86 emulator: sort opcodes into ascending order
KVM: Improve emulation failure reporting
KVM: x86 emulator: pushf
KVM: x86 emulator: call near
KVM: x86 emulator: push imm8
KVM: VMX: Fix exit qualification width on i386
KVM: Move main vcpu loop into subarch independent code
KVM: VMX: Move vm entry failure handling to the exit handler
KVM: MMU: Don't do GFP_NOWAIT allocations
KVM: Rename kvm_arch_ops to kvm_x86_ops
KVM: Simplify memory allocation
KVM: Hoist SVM's get_cs_db_l_bits into core code.
...
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In commit 4665079cbb2a3e17de82f2ab2940b9f97f37d65e ("[NETNS]: Move some
code into __init section when CONFIG_NET_NS=n") we got a new section -
.exit.text.refok (more of 'let's tell modpost that some bogus calls are
not bogus', a-la text.init.refok).
Unfortunately, the commit in question forgot to add it to TEXT_TEXT,
with rather amusing results.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Breaks on any target that has copy_to_user() defined as a non-trivial
macro.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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a) include/asm-um/arch can't just point to include/asm-$(SUBARCH) now
b) arch/{i386,x86_64}/crypto are merged now
c) subarch-obj needed changes
d) cpufeature_64.h should pull "cpufeature_32.h", not <asm/cpufeature_32.h>
since it can be included from asm-um/cpufeature.h
e) in case of uml-i386 we need CONFIG_X86_32 for make and gcc, but not
for Kconfig
f) sysctl.c shouldn't do vdso_enabled for uml-i386 (actually, that one
should be registered from corresponding arch/*/kernel/*, with ifdef
going away; that's a separate patch, though).
With that and with Stephen's patch ("[PATCH net-2.6] uml: hard_header fix")
we have uml allmodconfig building both on i386 and amd64.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix networking code kernel-doc for newly added parameters.
Warning(linux-2.6.23-git2//net/core/sock.c:879): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:570): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:594): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:617): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:641): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:667): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:722): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:959): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:1195): No description found for parameter 'dev'
Warning(linux-2.6.23-git2//net/core/dev.c:2105): No description found for parameter 'n'
Warning(linux-2.6.23-git2//net/core/dev.c:3272): No description found for parameter 'net'
Warning(linux-2.6.23-git2//net/core/dev.c:3445): No description found for parameter 'net'
Warning(linux-2.6.23-git2//include/linux/netdevice.h:1301): No description found for parameter 'cpu'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh64-2.6:
sh64: mach-cayman: Build fixes.
sh64: Symbol export fixups.
sh64: linker script tidying and alignment fixups.
sh64: Set KBUILD_IMAGE to make the rpm target happy.
sh64: Kill off obsolete linux/blk.h reference.
sh64: cleanup struct irqaction initializers.
sh64: Kill off dead gdb stub symbol.
sh64: alphanumeric display only on Cayman.
sh64: Add defconfigs for mach-sim and mach-harp.
sh64: update cayman defconfig.
sh64: Tidy up Kconfig dependencies.
sh64: Move consistent DMA routines to arch/sh64/mm/.
sh64: Some symbol exports and build fixes.
sh64: mach-sim: Build fixes.
sh64: mach-harp: Build fixes.
sh64: Kill off duplicate frame pointer option.
sh64: Kill off dead ROM-RAM and generic boards.
sh64: Tidy up includes for Cayman board.
sh64: Move *_p() I/O routine variants to io.h.
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (124 commits)
sh: allow building for both r2d boards in same binary.
sh: fix r2d board detection
sh: Discard .exit.text/.exit.data at runtime.
sh: Fix up some section alignments in linker script.
sh: Fix SH-4 DMAC CHCR masking.
sh: Rip out left-over nommu cond syscall cruft.
sh: Make kgdb i-cache flushing less inept.
sh: kgdb section mismatches and tidying.
sh: cleanup struct irqaction initializers.
sh: early_printk tidying.
video: pvr2fb: Add TV (RGB) support to Dreamcast PVR driver.
sh: Conditionalize gUSA support.
sh: Follow gUSA preempt changes in __switch_to().
sh: Tidy up gUSA preempt handling.
sh: __copy_user() optimizations for small copies.
sh: clkfwk: Support multi-level clock propagation.
sh: Fix URAM start address on SH7785.
sh: Use boot_cpu_data for CPU probe.
sh: Support extended mode TLB on SH-X3.
sh: Bump MAX_ACTIVE_REGIONS for SH7785.
...
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libffi in GCC 4.2 needs cachectl.h to do its cache flushing. But we
don't currently export it. I believe this patch should do the trick.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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m68k: ignore restart_syscall, which is not needed on m68k.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* Convert {ide_hwif_t,ide_pci_device_t}->host_flag to be u16.
* Add IDE_HFLAG_POST_SET_MODE host flag to indicate the need to program
the host for the transfer mode after programming the device. Set it
in au1xxx-ide, amd74xx, cs5530, cs5535, pdc202xx_new, sc1200, pmac
and via82cxxx host drivers.
* Add IDE_HFLAG_NO_SET_MODE host flag to indicate the need to completely
skip programming of host/device for the transfer mode ("smart" hosts).
Set it in it821x host driver and check it in ide_tune_dma().
* Add ide_set_pio_mode()/ide_set_dma_mode() helpers and convert all
direct ->set_pio_mode/->speedproc users to use these helpers.
* Move ide_config_drive_speed() calls from ->set_pio_mode/->speedproc
methods to callers.
* Rename ->speedproc method to ->set_dma_mode, make it void and update
all implementations accordingly.
* Update ide_set_xfer_rate() comments.
* Unexport ide_config_drive_speed().
v2:
* Fix issues noticed by Sergei:
- export ide_set_dma_mode() instead of moving ->set_pio_mode abuse wrt
to setting DMA modes from sc1200_set_pio_mode() to do_special()
- check IDE_HFLAG_NO_SET_MODE in ide_tune_dma()
- check for (hwif->set_pio_mode) == NULL in ide_set_pio_mode()
- check for (hwif->set_dma_mode) == NULL in ide_set_dma_mode()
- return -1 from ide_set_{pio,dma}_mode() if ->set_{pio,dma}_mode == NULL
- don't set ->set_{pio,dma}_mode on it821x in "smart" mode
- fix build problem in pmac.c
- minor fixes in au1xxx-ide.c/cs5530.c/siimage.c
- improve patch description
Changes in behavior caused by this patch:
- HDIO_SET_PIO_MODE ioctl would now return -ENOSYS for attempts to change
PIO mode if it821x controller is in "smart" mode
- removal of two debugging printk-s (from cs5530.c and sc1200.c)
- transfer modes 0x00-0x07 passed from user space may be programmed twice on
the device (not really an issue since 0x00 is not supported correctly by
any host driver ATM, 0x01 is not supported at all and 0x02-0x07 are invalid)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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