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2006-01-14[ARM] 3105/4: ARM EABI: new syscall entry conventionNicolas Pitre
Patch from Nicolas Pitre For a while we wanted to change the way syscalls were called on ARM. Instead of encoding the syscall number in the swi instruction which requires reading back the instruction from memory to extract that number and polluting the data cache, it was decided that simply storing the syscall number into r7 would be more efficient. Since this represents an ABI change then making that change at the same time as EABI support is the right thing to do. It is now expected that EABI user space binaries put the syscall number into r7 and use "swi 0" to call the kernel. Syscall register argument are also expected to have "EABI arrangement" i.e. 64-bit arguments should be put in a pair of registers from an even register number. Example with long ftruncate64(unsigned int fd, loff_t length): legacy ABI: - put fd into r0 - put length into r1-r2 - use "swi #(0x900000 + 194)" to call the kernel new ARM EABI: - put fd into r0 - put length into r2-r3 (skipping over r1) - put 194 into r7 - use "swi 0" to call the kernel Note that it is important to use 0 for the swi argument as backward compatibility with legacy ABI user space relies on this. The syscall macros in asm-arm/unistd.h were also updated to support both ABIs and implement the right call method automatically. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-14[ARM] 3104/1: ARM EABI: new helper function namesNicolas Pitre
Patch from Nicolas Pitre The ARM EABI defines new names for GCC helper functions. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-14[ARM] 3103/1: ARM EABI: stack pointer must be 64-bit aligned (part 2)Nicolas Pitre
Patch from Nicolas Pitre We must make sure that assembly code that modifies the stack pointer before calling a C function does it so it remains 64-bit aligned. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-14[ARM] 3102/1: ARM EABI: stack pointer must be 64-bit aligned after a CPU ↵Nicolas Pitre
exception Patch from Nicolas Pitre The ARM EABI says that the stack pointer has to be 64-bit aligned for reasons already mentioned in patch #3101 when calling C functions. We therefore must verify and adjust sp accordingly when taking an exception from kernel mode since sp might not necessarily be 64-bit aligned if the exception occurs in the middle of a kernel function. If the exception occurs while in user mode then no sp fixup is needed as long as sizeof(struct pt_regs) as well as any additional syscall data stack space remain multiples of 8. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-14[ARM] 3101/1: ARM EABI: slab memory must be 64-bit alignedNicolas Pitre
Patch from Nicolas Pitre Although ARM is still using 32-bit pointers, version 5 and later versions of the ARM architecture introduced the ldrd and strd instructions to move 64-bit data which must be 64-bit aligned in memory, and the EABI includes new constraints on structure data alignment to allow for the compiler to use those instructions. This means that any slab allocation must start on a 64-bit boundary which is not equivalent to BYTES_PER_WORD, especially on those architecture versions that implements the ldrd/strd instructions. Overriding the default alignment disables some slab debug features. If those debug features are really needed then the kernel will have to be compiled for version 4 of the ARM architecture. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] Separate VIC (vectored interrupt controller) support from VersatileRussell King
Other machines may wish to make use of the VIC support code, so move it to arch/arm/common. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] Remove useless 'default n' from Kconfig filesRussell King
The default is already 'n' so there's no need to explicitly state it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] Support register switch in nommu modeHyok S. Choi
This patch adds register switch support in nommu mode. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] start_thread fixup for nommu modeHyok S. Choi
This patch supports start_thread in nommu mode which requires the base index register. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] 3260/1: remove phys_ram from struct machine_desc (part 2)Nicolas Pitre
Patch from Nicolas Pitre This field is redundent since it must be equal to PHYS_OFFSET anyway. Now that no code uses it anymore, mark it deprecated and remove all initializations from the tree. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] 3259/1: remove phys_ram from struct machine_desc (part 1)Nicolas Pitre
Patch from Nicolas Pitre This field is redundent since it must be equal to PHYS_OFFSET anyway. First, let's use PHYS_OFFSET directly instead. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] 3258/1: IMX serial: fix parityMatt Reimer
Patch from Matt Reimer IMX serial parity generation doesn't work because of a simple logic error. This patch fixes it and now Bluetooth works on R1000. Signed-off-by: Matt Reimer <mreimer@vpop.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-13[ARM] 3257/1: ixp2000: map in scratch and sramLennert Buytenhek
Patch from Lennert Buytenhek For the ixp2000 netdev driver, we need to map in a chunk of SRAM (to store the transmit and receive descriptors) and the scratch get/put area (so that we can use the scratchpad rings in the cpu for managing the descriptors.) These are the final two mappings needed for the netdev driver and the last missing piece for the driver in mainline to work. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
2006-01-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6Linus Torvalds
2006-01-12Merge branch 'drm-forlinus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
2006-01-12[PATCH] via-velocity: use NETIF_F_IP_CSUM (hardware only support IPv4)John W. Linville
At least some versions of the via-velocity hardware only support checksumming IPv4 frames in hardware. However, the driver is currently setting the NETIF_F_HW_CSUM flag, which indicates support for more than just IPv4. This results in errors when trying to use IPv6 over via-velocity hardware. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] fix wrong comments in ieee80211.hJohannes Berg
The comments in ieee80211.h claim that one doesn't need to set the len parameter of the stats struct. But if one doesn't, the management frames are read far over the memory they actually occupy causing badness. Signed-Off-By: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] bonding: UPDATED hash-table corruption in bond_alb.cJay Vosburgh
I believe I see the race Michael refers to (tlb_choose_channel may set head, which tlb_init_slave clears), although I was not able to reproduce it. I have updated his patch for the current netdev-2.6.git tree and added a version update. His original comment follows: Our systems have been crashing during testing of PCI HotPlug support in the various networking components. We've faulted in the bonding driver due to a bug in bond_alb.c:tlb_clear_slave() In that routine, the last modification to the TLB hash table is made without protection of the lock, allowing a race that can lead tlb_choose_channel() to select an invalid table element. -J Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] wireless/atmel: add IWENCODEEXT, IWAUTH, and association event supportDan Williams
This patch allows the Atmel driver to work correctly with wpa_supplicant and other programs that require some conformance with WEXT-18. It should not affect current behavior of the driver. The patch does four things: 1) Implements SIOCSIWENCODEEXT, SIOCGIWENCODEEXT, SIOCSIWAUTH, and SIOCGIWAUTH calls for unencrypted and WEP operation 2) Accepts zero-filled addresses for SIOCSIWAP, which are legal and should turn off any previous forced WAP address 3) Sends association and de-association events to userspace at most of the appropriate times 4) Fixes erroneous order of CIPHER_SUITE_WEP_* arguments in one location which are actually unused anyway Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] replace MODULE_PARM in tulip/uli526x.cEric Sesterhenn / snakebyte
Replace the MODULE_PARM usage in uli526x.c with module_param. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] gianfar: Use new PHY_ID_FMT macroKumar Gala
Make the driver produce the string used by phy_connect and have board specific code pass the integer mii bus id and phy device id for the specific controller instance. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] phy: Added a macro to represent the string format used to match a ↵Kumar Gala
phy device Add the PHY_ID_FMT macro to ensure that the format of the id string used by a driver to match to its specific phy is consistent between the mdio_bus and the driver. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] gianfar mii: Use proper resource for MII memory regionKumar Gala
We can now have the gianfar mii platform device have a proper resource for the IO memory region for its registers. Previously we passed this information that the platform_data structure because we couldn't handle overlapping memory regions for platform devices. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] gfar: fix compile errorKumar Gala
Missing include of <linux/in.h> to get definition of IPPROTO_UDP. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] CONFIG_AIRO needs CONFIG_CRYPTOdann frazier
airo.c currently has MICSUPPORT enabled, which requires CONFIG_CRYPTO. A user reported a build failure which is due to the lack of a Kconfig dependency. See http://bugs.debian.org/344205. This patch makes Kconfig enforce this dependency. Signed-off-by: dann frazier <dannf@debian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12[PATCH] corruption during e100 MDI register accessODonnell, Michael
We have identified two related bugs in the e100 driver. Both bugs are related to manipulation of the MDI control register. The first problem is that the Ready bit is being ignored when writing to the Control register; we noticed this because the Linux bonding driver would occasionally come to the spurious conclusion that the link was down when querying Link State. It turned out that by failing to wait for a previous command to complete it was selecting what was essentially a random register in the MDI register set. When we added code that waits for the Ready bit (as shown in the patch file below) all such problems ceased. The second problem is that, although access to the MDI registers involves multiple steps which must not be intermixed, nothing was defending against two or more threads attempting simultaneous access. The most obvious situation where such interference could occur involves the watchdog versus ioctl paths, but there are probably others, so we recommend the locking shown in our patch file. Signed-off-by: Michael O'Donnell <Michael.ODonnell@stratus.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jgarzik@pobox.com> Cc: John Ronciak <john.ronciak@intel.com> Cc: Ganesh Venkatesan <ganesh.venkatesan@intel.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
2006-01-12Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds
2006-01-12Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds
2006-01-12[PATCH] Revert ide softirq handlingJens Axboe
There's a problem with the REQ_BLOCK_PC handling as well (bad ->data_len handling) where it could actually complete a request ahead of time. I suggest we just back this out for now, I will resubmit it later when I'm fully confident in it. This reverts commit 8672d57138b34447719cd7749f3d21070e1175a1 Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[SERIAL] turn serial semaphores into mutexesArjan van de Ven
Turn several drivers/serial/ semaphores-used-as-mutex into mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12[MMC+MFD] Convert mmc to mutexesArjan van de Ven
convert mfd and mmc to mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12[ARM] Convert some arm semaphores to mutexesArjan van de Ven
The arm clock semaphores are strict mutexes, convert them to the new mutex implementation Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/hrtimer-2.6Linus Torvalds
2006-01-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds
Fix up delete/modify conflict of arch/ppc/kernel/process.c by hand (it's gone, gone, gone). Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] pcmcia: runtime powermanagement interfaceDominik Brodowski
With the "power/state" sysfs interface being deprecated, make another one available which is compatible to what was discussed on the linux PM mailinglist. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-12[PATCH] pcmcia: add new IDs for serial_cs.cDominik Brodowski
Add IDs for Sierra Aircard 55 CDMA 1xrtt Modem -- a CIS update is required for this card. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2006-01-12[ARM] Allow r2 to be passed through the decompressor to the kernelRussell King
This is part of a patch from Marc Singer to allow r2 to be passed to the kernel. Marc's original comments follow: This revised R2 (atags pointer) patch incorporates comments from Nico Pitre and Ben Dooks. It modifies the head.S files such that the R2 value set by the bootloader is conveyed to the kernel startup code. The kernel head.S heuristically validates the pointer. It will set R2 to zero if it believes the pointer is invalid. Presently, it requires that the ATAGS list reside in the first 16KiB of physical RAM. Relaxing this contraint may be both desirable as well as tricky. Signed-off-by: Marc Singer <elf@buici.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12Merge git://oss.sgi.com:8090/oss/git/xfs-2.6Linus Torvalds
2006-01-12[PATCH] m68k: console code in head.S needs framebuffer support built inAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix PIO case in espAl Viro
we always set ->SCp.ptr to physical address of buffer; for DMA that's just what we need, but we end up using it as virtual address in PIO case of esp_do_data(), with obvious breakage as soon as memory mapping becomes non-trivial. The fix is obvious. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix macfb initAl Viro
To be used by module_init() function should return int; same for functions that have "return -ENODEV;" in them, actually ;-) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix reference to init_task in vmlinux-sun3.ldsAl Viro
it's *(.data.init_task), not init_task... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix use of void foo(void) asm("bar") in traps.cAl Viro
with gcc4 these have file scope, so having them different in different blocks doesn't work anymore Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: kill mach_floppy_setup, convert to proper __setup() in driversAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: Moved initialisation of conswitchp from subarches to global ↵Al Viro
arch setup Signed-off-by: Kars de Jong <jongk@linux-m68k.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: cast in strnlen switched to unsigned longAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: dmasound __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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