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92d140e21f
linux/include
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Siddha, Suresh B 92d140e21f x86: fix taking DNA during 64bit sigreturn 
restore sigcontext is taking a DNA exception while restoring FP context
from the user stack, during the sigreturn.  Appended patch fixes it by
doing clts() if the app doesn't touch FP during the signal handler
execution.  This will stop generating a DNA, during the fxrstor in the
sigreturn.

This improves 64-bit lat_sig numbers by ~30% on my core2 platform.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-12 11:09:33 -08:00
..
acpi ACPI: Fan: Drop force_power_state acpi_device option 2007-10-25 16:31:31 -04:00
asm-alpha Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-arm [ARM] 4644/2: fix flush_kern_tlb_range() in module space 2007-11-08 10:07:14 +00:00
asm-avr32 AVR32: Fix sg_page breakage 2007-10-24 10:16:02 +02:00
asm-blackfin Blackfin arch: use a less common define name in BF549 2007-10-30 12:04:53 +08:00
asm-cris Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-frv frv: Remove bogus NO_IRQ = -1 define 2007-11-09 15:11:44 -08:00
asm-generic Linux Kernel Markers 2007-10-19 11:53:54 -07:00
asm-h8300 Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-ia64 [IA64] Update printing of feature set bits 2007-11-09 13:05:30 -08:00
asm-m32r Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-m68k Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-m68knommu m68knommu: fix pread/pwrite defines 2007-11-05 15:12:33 -08:00
asm-mips Use i8253.c lock for PC speaker on MIPS, too. 2007-11-02 19:39:18 -07:00
asm-parisc parisc: fix sg_page() fallout 2007-10-23 09:49:31 +02:00
asm-powerpc Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2007-11-09 15:16:52 -08:00
asm-ppc ppc: fix AT_VECTOR_SIZE on arch/ppc 2007-10-22 19:18:54 -07:00
asm-s390 Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 2007-10-22 19:23:34 -07:00
asm-sh sh: remove dead config symbols from SH code 2007-11-09 04:45:29 +09:00
asm-sh64 sh: remove PTRACE_O_TRACESYSGOOD from asm/ptrace.h 2007-11-07 11:13:54 +09:00
asm-sparc [SPARC32]: __inline__ --> inline 2007-10-27 00:17:01 -07:00
asm-sparc64 [SPARC64]: Use "is_power_of_2" macro for simplicity. 2007-11-07 02:24:33 -08:00
asm-um x86 merge fallout: uml 2007-10-29 07:41:32 -07:00
asm-v850 Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
asm-x86 x86: fix taking DNA during 64bit sigreturn 2007-11-12 11:09:33 -08:00
asm-xtensa xtensa: dma-mapping.h is using linux/scatterlist.h functions, so include it 2007-10-24 13:28:40 +02:00
crypto [CRYPTO] sha: Add header file for SHA definitions 2007-10-10 16:55:50 -07:00
keys KEYS: Make request_key() and co fundamentally asynchronous 2007-10-17 08:42:57 -07:00
linux Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched 2007-11-09 15:27:54 -08:00
math-emu
media [PATCH] Fix breakage after SG cleanups 2007-10-23 12:02:39 -07:00
mtd
net [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
pcmcia pcmcia: use DMA_MASK_NONE for the default for all pcmcia devices 2007-10-16 09:42:50 -07:00
rdma cleanup asm/scatterlist.h includes 2007-11-02 08:47:06 +01:00
rxrpc
scsi SCSI: add asynchronous event notification API 2007-11-03 22:23:02 -04:00
sound [ALSA] version 1.0.15 2007-10-23 08:09:20 +02:00
video Make asm-x86/bootparam.h includable from userspace. 2007-10-23 15:49:47 +10:00
xen xen: fix incorrect vcpu_register_vcpu_info hypercall argument 2007-10-16 11:51:31 -07:00
Kbuild do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00