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[PATCH] Use string instructions for Core2 copy/clear
authorAndi Kleen <ak@suse.de>
Tue, 26 Sep 2006 08:52:41 +0000 (10:52 +0200)
committerAndi Kleen <andi@basil.nowhere.org>
Tue, 26 Sep 2006 08:52:41 +0000 (10:52 +0200)
commit27fbe5b28a2ffef171c6005f304ea4f80fcdcc01
treef4eb0e75d54fd78570894d64ed8c4cfbff03bb48tree | snapshot (tar.gz zip)
parent35d534a3ff4905c0a7bddbad0fc9df55967742c7commit | diff
[PATCH] Use string instructions for Core2 copy/clear

It is faster than using a unrolled loop for the use cases the kernel
cares about (cached, sizes typically < 4K)

Signed-off-by: Andi Kleen <ak@suse.de>
arch/x86_64/kernel/setup.c diff | blob | blame | history