tree f0765da9eaa8024a2b1d67d3e43730cb32f99fa7
parent 6bca52b544489b626c7d0db801df6b4aa3d5adb5
author Andi Kleen <ak@suse.de> 1138999862 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> 1139100193 -0800

[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>