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7bcd3f34e2
linux/arch/x86_64
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Andi Kleen 7bcd3f34e2 [PATCH] x86_64: Undo the earlier changes to remove unrolled copy/memset functions 
They cause quite bad performance regressions on Netburst
This is temporary until we can get new optimized functions
for these CPUs.

This undoes changes that were done in 2.6.15 and in 2.6.16-rc1,
essentially bringing the code back to 2.6.14 level. Only change
is I renamed the X86_FEATURE_K8_C flag to X86_FEATURE_REP_GOOD
and fixed the check for the flag and also fixed some comments.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-02-04 16:43:13 -08:00
..
boot Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/sam/kbuild 2006-01-10 08:21:33 -08:00
crypto [CRYPTO] Allow AES C/ASM implementations to coexist 2006-01-09 14:15:39 -08:00
ia32 [PATCH] x86_64: compat_sys_futimesat fix 2006-02-01 08:53:08 -08:00
kernel [PATCH] x86_64: Undo the earlier changes to remove unrolled copy/memset functions 2006-02-04 16:43:13 -08:00
lib [PATCH] x86_64: Undo the earlier changes to remove unrolled copy/memset functions 2006-02-04 16:43:13 -08:00
mm [PATCH] x86_64: add x86-64 support for memory hot-add 2006-01-16 23:18:35 -08:00
oprofile [PATCH] Move Kprobes and Oprofile to "Instrumentation Support" menu 2005-11-07 07:53:35 -08:00
pci [PATCH] PCI: handle bogus MCFG entries 2006-01-31 18:00:13 -08:00
defconfig [PATCH] x86_64: Update defconfig 2006-02-04 16:43:12 -08:00
Kconfig [PATCH] x86_64: add x86-64 support for memory hot-add 2006-01-16 23:18:35 -08:00
Kconfig.debug [PATCH] x86/x86_64: mark rodata section read-only: x86-64 support 2006-01-06 08:33:36 -08:00
Makefile [PATCH] x86_64: Allow compilation on a 32bit biarch toolchain 2006-01-11 19:04:52 -08:00