aboutsummaryrefslogtreecommitdiffstats
path: root/arch (follow)
AgeCommit message (Collapse)AuthorFilesLines
2006-09-21[CRYPTO] twofish: x86-64 assembly versionJoachim Fritschi3-0/+424
The patch passed the trycpt tests and automated filesystem tests. This rewrite resulted in some nice perfomance increase over my last patch. Short summary of the tcrypt benchmarks: Twofish Assembler vs. Twofish C (256bit 8kb block CBC) encrypt: -27% Cycles decrypt: -23% Cycles Twofish Assembler vs. AES Assembler (128bit 8kb block CBC) encrypt: +18% Cycles decrypt: +15% Cycles Twofish Assembler vs. AES Assembler (256bit 8kb block CBC) encrypt: -9% Cycles decrypt: -8% Cycles Full Output: http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-twofish-c-x86_64.txt http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-twofish-asm-x86_64.txt http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-aes-asm-x86_64.txt Here is another bonnie++ benchmark with encrypted filesystems. Most runs maxed out the hd. It should give some idea what the module can do for encrypted filesystem performance even though you can't see the full numbers. http://homepages.tu-darmstadt.de/~fritschi/twofish/output_20060610_130806_x86_64.html Signed-off-by: Joachim Fritschi <jfritschi@freenet.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-21[CRYPTO] twofish: i586 assembly versionJoachim Fritschi3-0/+435
The patch passed the trycpt tests and automated filesystem tests. This rewrite resulted in some nice perfomance increase over my last patch. Short summary of the tcrypt benchmarks: Twofish Assembler vs. Twofish C (256bit 8kb block CBC) encrypt: -33% Cycles decrypt: -45% Cycles Twofish Assembler vs. AES Assembler (128bit 8kb block CBC) encrypt: +3% Cycles decrypt: -22% Cycles Twofish Assembler vs. AES Assembler (256bit 8kb block CBC) encrypt: -20% Cycles decrypt: -36% Cycles Full Output: http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-twofish-asm-i586.txt http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-twofish-c-i586.txt http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-aes-asm-i586.txt Here is another bonnie++ benchmark with encrypted filesystems. All runs with the twofish assembler modules max out the drivespeed. It should give some idea what the module can do for encrypted filesystem performance even though you can't see the full numbers. http://homepages.tu-darmstadt.de/~fritschi/twofish/output_20060611_205432_x86.html Signed-off-by: Joachim Fritschi <jfritschi@freenet.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-19Revert mmiocfg heuristics and blacklist changesLinus Torvalds6-55/+82
This reverts commits 11012d419cfc0e0f78ca356aca03674217910124 and 40dd2d20f220eda1cd0da8ea3f0f9db8971ba237, which allowed us to use the MMIO accesses for PCI config cycles even without the area being marked reserved in the e820 memory tables. Those changes were needed for EFI-environment Intel macs, but broke some newer Intel 965 boards, so for now it's better to revert to our old 2.6.17 behaviour and at least avoid introducing any new breakage. Andi Kleen has a set of patches that work with both EFI and the broken Intel 965 boards, which will be applied once they get wider testing. Cc: Arjan van de Ven <arjan@infradead.org> Cc: Edgar Hucek <hostmaster@ed-soft.at> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-18x86: save/restore eflags in context switchLinus Torvalds1-0/+4
(And reset it on new thread creation) It turns out that eflags is important to save and restore not just because of iopl, but due to the magic bits like the NT bit, which we don't want leaking between different threads. Tested-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-18Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2-8/+12
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC]: Fix regression in sys_getdomainname() [OPENPROMIO]: Handle current_node being NULL correctly.
2006-09-18Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds5-562/+197
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3815/1: headers_install support for ARM [ARM] 3794/1: S3C24XX: do not defined set_irq_wake when no CONFIG_PM [ARM] 3793/1: S3C2412: fix wrong serial info struct [ARM] 3780/1: Fix iop321 cpuid [ARM] 3786/1: pnx4008: update defconfig [ARM] 3785/1: S3C2412: Fix idle code as default uses wrong clocks [ARM] 3784/1: S3C2413: fix config for MACH_S3C2413/MACH_SMDK2413
2006-09-18[SPARC]: Fix regression in sys_getdomainname()Andy Walker2-8/+12
This patch corrects the buffer length checking in the sys_getdomainname() implementation for sparc/sparc64. Signed-off-by: Andy Walker <andy@puszczka.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-18[ARM] 3794/1: S3C24XX: do not defined set_irq_wake when no CONFIG_PMBen Dooks1-0/+5
Patch from Ben Dooks Do not define set_irq_wake as a real function if the CONFIG_PM option is not set. Fixes bug reported by Thomas Gleixner. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-16[PATCH] i386/x86-64: Add core 2 to oprofileBenjamin LaHaise1-0/+2
Add the CPU identification needed by oprofile for Intel (r) Core (tm) 2 CPUs. Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: "Arun Sharma" <aruns@google.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-14[ARM] 3780/1: Fix iop321 cpuidDan Williams1-1/+1
Patch from Dan Williams commit a6a38a66224c7c578cfed2f584b440c81af0c3ae changed the iop321 id to a value that does not work with all platforms. Change the mask to permit bit 11. Tested on an iq80321 600Mhz CRB. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-14[ARM] 3786/1: pnx4008: update defconfigVitaly Wool1-561/+154
Patch from Vitaly Wool This patch updates the default configuration file for PNX4008. arch/arm/configs/pnx4008_defconfig | 715 +++++++------------------------------ 1 file changed, 154 insertions(+), 561 deletions(-) Signed-off-by: Vitaly Wool <vitalywool@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-14[ARM] 3785/1: S3C2412: Fix idle code as default uses wrong clocksBen Dooks1-0/+29
Patch from Ben Dooks Fix the idle code on the s3c2412 as the default code is using bits in the CLKCON register that are no-longer there. Provide an override for the idle code, and ensure that the power configuration is set to allow idle instead of stop or sleep. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-14[ARM] 3784/1: S3C2413: fix config for MACH_S3C2413/MACH_SMDK2413Ben Dooks1-0/+8
Patch from Ben Dooks These two machines are identical, and supported by the SMDK2413 configuration. When MACH_SMDK2413 is selected, we must also select MACH_S3C2413 to allow machine_is_smdk2413() or machine_is_s3c2413() to work. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-13Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds19-498/+1014
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix G5 DART (IOMMU) race causing occasional data corruption [POWERPC] Fix MMIO ops to provide expected barrier behaviour [POWERPC] Fix interrupt clearing in kdump shutdown sequence [POWERPC] update prep_defconfig [POWERPC] kdump: Support kernels having 64k page size. [POWERPC] Implement PowerPC futex_atomic_cmpxchg_inatomic(). [POWERPC] Add new, missing argument to of_irq_map_raw() for 86xx. [POWERPC] Update defconfigs
2006-09-13[POWERPC] Fix G5 DART (IOMMU) race causing occasional data corruptionBenjamin Herrenschmidt1-1/+6
It seems that the occasional data corruption observed with the tg3 driver wasn't due to missing barriers after all, but rather seems to be due to the DART (= IOMMU) in the U4 northbridge reading stale IOMMU table entries from memory due to a race. This fixes it by making the CPU read the entry back from memory before using it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-13[POWERPC] Fix MMIO ops to provide expected barrier behaviourPaul Mackerras1-24/+25
This changes the writeX family of functions to have a sync instruction before the MMIO store rather than after, because the generally expected behaviour is that the device receiving the MMIO store can be guaranteed to see the effects of any preceding writes to normal memory. To preserve ordering between writeX and readX, and to preserve ordering between preceding stores and the readX, the readX family of functions have had an sync added before the load. Although writeX followed by spin_unlock is not officially guaranteed to keep the writeX inside the spin-locked region unless an mmiowb() is used, there are currently drivers that depend on the previous behaviour on powerpc, which was that the mmiowb wasn't actually required. Therefore we have a per-cpu flag that is set by writeX, cleared by __raw_spin_lock and mmiowb, and tested by __raw_spin_unlock. If it is set, __raw_spin_unlock does a sync and clears it. This changes both 32-bit and 64-bit readX/writeX. 32-bit already has a sync in __raw_spin_unlock (since lwsync doesn't exist on 32-bit), and thus doesn't need the per-cpu flag. Tested on G5 (PPC970) and POWER5. Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-13[POWERPC] Fix interrupt clearing in kdump shutdown sequenceMohan Kumar M1-1/+1
Call chip->eoi(irq) to clear any pending interrupt in case of kdump shutdown sequence. chip->end(irq) does not serve this purpose. Signed-off-by: Mohan Kumar M <mohan@in.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-13[POWERPC] update prep_defconfigOlaf Hering1-266/+319
Update PReP defconfig, disable some drivers for hardware that is not used on those systems; enable SL82C105 IDE driver for Powerstack. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-13[POWERPC] Add new, missing argument to of_irq_map_raw() for 86xx.Jon Loeliger1-1/+1
Ben speaks; we follow. Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-12Merge branch 'audit.b29' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-currentLinus Torvalds9-1/+75
* 'audit.b29' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: [PATCH] sparc64 audit syscall classes hookup [PATCH] syscall class hookup for all normal targets
2006-09-12[PATCH] sparc64 audit syscall classes hookupAl Viro4-0/+110
... that should do it for all targets; the only remaining issues are mips (currently treated as non-biarch) and handling of other OS emulations (OSF/SunOS/Solaris/???). The latter would need to be assigned new AUDIT_ARCH_... ABI numbers anyway... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-09-12[PATCH] syscall class hookup for all normal targetsAl Viro6-52/+16
Take default arch/*/kernel/audit.c to lib/, have those with special needs (== biarch) define AUDIT_ARCH in their Kconfig. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-09-12sh64: Add a sane pm_power_off implementation.Paul Mundt1-0/+3
sh64 wasn't providing a sensible pm_power_off(), add one, and just wrap it to machine_power_off, which already does the right thing. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-12sh64: Trivial build fixes.Paul Mundt2-3/+7
While we've been sorting out the toolchain fiasco, some of the code has suffered a bit of bitrot. Building with GCC4 also brings up some more build warnings. Trivial fixes for both issues. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-12sh64: Drop deprecated ISA tuning for legacy toolchains.Paul Mundt1-1/+0
The original sh64 toolchains required that we tune the ISA level accordingly to not have head.S/entry.S blow up. With current toolchains, this is no longer the case, and the syntax magically changed as well, causing all current toolchains to die a horrible death. Incidentally, code generation in other parts of the kernel is now significantly complex enough that none of the older toolchains make it very far these days, so there's not even any point in preserving legacy compatability via as-option. This fixes a long-standing issue, as noted here: http://lkml.org/lkml/2005/1/5/223 Though at the time the current toolchains were too broken to make adjusting the tuning worthwhile. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-11[PATCH] audit: AUDIT_PERM supportAl Viro9-0/+160
add support for AUDIT_PERM predicate Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-09-11[PATCH] audit: more syscall classes addedAl Viro9-0/+116
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-09-11[PATCH] syscall classes hookup for ppc and s390Al Viro6-1/+87
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-09-11Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds19-119/+164
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3778/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410 [simtec] [ARM] 3783/1: S3C2412: fix IRQ_EINT0 to IRQ_EINT3 handling [ARM] 3779/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410 [left] [ARM] 3777/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410 [regs-*.h] [ARM] 3776/1: S3C24XX: remove changelogs from include/asm-arm/arch-s3c2410 [ARM] 3775/1: S3C24XX: do not add same sysdev_driver to two classes [ARM] 3774/1: S3C24XX: SMDK2413 has two machine IDs [ARM] 3773/1: Add the HWCAP_VFP bit for the ARM926 CPUs [ARM] 3772/1: Fix compilation error in mach-ixp4xx/nslu2* [ARM] 3767/1: S3C24XX: remove changelog comments from arch/arm/mach-s3c2410 [ARM] 3766/1: Fix typo in ARM _raw_read_trylock
2006-09-10[POWERPC] Update defconfigsPaul Mackerras14-205/+662
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-09-09[ARM] 3783/1: S3C2412: fix IRQ_EINT0 to IRQ_EINT3 handlingBen Dooks4-2/+138
Patch from Ben Dooks The IRQ_EINT0 through IRQ_EINT3 handling has changed on the S3C2412 from the previous SoCs in the range, and thus we need to add code to handle this. The changes come about due to these IRQs being displayed in two different registers, and needing to be acked and masked in both. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-09[ARM] 3775/1: S3C24XX: do not add same sysdev_driver to two classesBen Dooks1-3/+6
Patch from Ben Dooks The s3c244x-irq.c code makes the mistake of adding the same drive to two different sys-classes. This causes the class lists to become corrupted and the suspend code to OOPS. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-08[IA64] SN fix for cpu hotplug/kexecJack Steiner1-1/+1
The sn_cpu_init() is required for cpu initialization on SN platforms. Change __init to __cpuinit so that the function is not freed with init code/data. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-09-08[IA64] Save register stack contents on cpu startJack Steiner1-0/+5
The SN PROM uses the register stack in the slave loop. The contents must be preserved for the OS to return to the slave loop via offlining a cpu or for kexec. A 'flushrs" is needed to force the stack to be written to memory prior to changing bspstore. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-09-08[IA64] Unwire set/get_robust_listAndreas Schwab1-2/+2
The syscalls set/get_robust_list must not be wired up until futex_atomic_cmpxchg_inatomic is implemented. Otherwise the kernel will hang in handle_futex_death. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-09-08[IA64] correct file descriptor reference counting in perfmonStephane Eranian1-1/+3
Fix a bug in sys_perfmonctl() whereby it was not correctly decrementing the file descriptor reference count. Signed-off-by: stephane eranian <eranian@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-09-08[PATCH] IA64,sparc: local DoS with corrupted ELFsKirill Korotaev3-40/+51
This prevents cross-region mappings on IA64 and SPARC which could lead to system crash. They were correctly trapped for normal mmap() calls, but not for the kernel internal calls generated by executable loading. This code just moves the architecture-specific cross-region checks into an arch-specific "arch_mmap_check()" macro, and defines that for the architectures that needed it (ia64, sparc and sparc64). Architectures that don't have any special requirements can just ignore the new cross-region check, since the mmap() code will just notice on its own when the macro isn't defined. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Signed-off-by: Kirill Korotaev <dev@openvz.org> Acked-by: David Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> [ Cleaned up to not affect architectures that don't need it ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-06[ARM] 3774/1: S3C24XX: SMDK2413 has two machine IDsBen Dooks1-1/+14
Patch from Ben Dooks It turns out we have both SMDK2413 and S3C2413 for the same board. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-06[ARM] 3773/1: Add the HWCAP_VFP bit for the ARM926 CPUsCatalin Marinas1-1/+1
Patch from Catalin Marinas The ARM926EJ-S CPU has the VFP coprocessor and therefore it should be shown in the /proc/cpuinfo if CONFIG_VFP is enabled. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-06[ARM] 3772/1: Fix compilation error in mach-ixp4xx/nslu2*Martin Michlmayr2-0/+2
Patch from Martin Michlmayr Include linux/irq.h in the nslu2 code in order to avoid the following compiler error: CC arch/arm/mach-ixp4xx/nslu2-power.o arch/arm/mach-ixp4xx/nslu2-power.c: In function 'nslu2_power_init': arch/arm/mach-ixp4xx/nslu2-power.c:53: warning: implicit declaration of function 'set_irq_type' arch/arm/mach-ixp4xx/nslu2-power.c:53: error: 'IRQ_TYPE_LEVEL_LOW' undeclared (first use in this function) arch/arm/mach-ixp4xx/nslu2-power.c:53: error: (Each undeclared identifier is reported only once arch/arm/mach-ixp4xx/nslu2-power.c:53: error: for each function it appears in.) arch/arm/mach-ixp4xx/nslu2-power.c:54: error: 'IRQ_TYPE_LEVEL_HIGH' undeclared (first use in this function) make[5]: *** [arch/arm/mach-ixp4xx/nslu2-power.o] Error 1 Signed-off-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-06[ARM] 3767/1: S3C24XX: remove changelog comments from arch/arm/mach-s3c2410Ben Dooks11-112/+3
Patch from Ben Dooks Remove the pointless changelog comments from arch/arm/mach-s3c2410 files, as all this can be found from the revision control system. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-06[PATCH] FRV: Use the generic time stuff for FRVjohn stultz2-81/+4
Use the generic time stuff for FRV. Signed-off-by: John Stultz <johnstul@us.ibm.com> Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-03[PATCH] powerpc: Fix typo in powermac platform functionsBenjamin Herrenschmidt1-1/+1
New sparse caught that typo which could have caused erratic hardware behaviour on some machines if the platform functions are used by the firmware to change bits in some FCR registers. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-02Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds7-80/+131
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3762/1: Fix ptrace cache coherency bug for ARM1136 VIPT nonaliasing Harvard caches [ARM] 3765/1: S3C24XX: cleanup include/asm-arm/arch-s3c2410/dma.h [ARM] 3764/1: S3C24XX: change type naming to kernel style [ARM] 3763/1: add both rtcs to csb337 defconfig [ARM] Fix ARM __raw_read_trylock() implementation [ARM] 3750/3: Fix double VFP emulation for EABI kernels
2006-09-02[ARM] 3762/1: Fix ptrace cache coherency bug for ARM1136 VIPT nonaliasing Harvard cachesGeorge G. Davis1-0/+26
Patch from George G. Davis Resolve ARM1136 VIPT non-aliasing cache coherency issues observed when using ptrace to set breakpoints and cleanup copy_{to,from}_user_page() while we're here as requested by Russell King because "it's also far too heavy on non-v6 CPUs". NOTES: 1. Only access_process_vm() calls copy_{to,from}_user_page(). 2. access_process_vm() calls get_user_pages() to pin down the "page". 3. get_user_pages() calls flush_dcache_page(page) which ensures cache coherency between kernel and userspace mappings of "page". However flush_dcache_page(page) may not invalidate I-Cache over this range for all cases, specifically, I-Cache is not invalidated for the VIPT non-aliasing case. So memory is consistent between kernel and user space mappings of "page" but I-Cache may still be hot over this range. IOW, we don't have to worry about flush_cache_page() before memcpy(). 4. Now, for the copy_to_user_page() case, after memcpy(), we must flush the caches so memory is consistent with kernel cache entries and invalidate the I-Cache if this mm region is executable. We don't need to do anything after memcpy() for the copy_from_user_page() case since kernel cache entries will be invalidated via the same process above if we access "page" again. The flush_ptrace_access() function (borrowed from SPARC64 implementation) is added to handle cache flushing after memcpy() for the copy_to_user_page() case. Signed-off-by: George G. Davis <gdavis@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-01[PATCH] powerpc: Fix PowerMac IRQ handling bugBenjamin Herrenschmidt1-3/+3
The port to genirq & the new powerpc interrupt model in 2.6.18 introduced a bug in the legacy PowerMac PIC code (used on older machines) because of a typo potentially causing hangs due to interrupt storms. This fixes it, along with a performance issue causing us to do spurrious retriggers after masking an interrupt. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-01[PATCH] xtensa: ptrace: EXIT_ZOMBIE fixBill Huey (hui1-1/+1
We're testing the wrong task_struct field. Acked-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-01[PATCH] Fix faulty HPET clocksource usage (fix for bug #7062)john stultz1-1/+1
Apparently some systems export valid HPET addresses, but hpet_enable() fails. Then when the HPET clocksource starts up, it only checks for a valid HPET address, and the result is a system where time does not advance. See http://bugme.osdl.org/show_bug.cgi?id=7062 for details. This patch just makes sure we better check that the HPET is functional before registering the HPET clocksource. Signed-off-by: John Stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-08-31Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds2-33/+35
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] cio: unsolicited interrupts during sense pgid. [S390] cio: no path after machine check. [S390] cio: kernel stack overflow. [S390] dasd: fix device shutdown process. [S390] broken copy_in_user function.
2006-08-31[ARM] 3764/1: S3C24XX: change type naming to kernel styleBen Dooks1-44/+44
Patch from Ben Dooks The type naming in the s3c24xx dma code is riddled with typedefs creating _t types, from the code import from 2.4 which is contrary to the current Kernel coding style. This patch cleans this up, removing the typedefs and and fixing up the resultant code changes. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.