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| author | Andi Kleen <ak@suse.de> | 2007-07-21 17:09:57 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-21 18:37:08 -0700 |
| commit | 5b74e3abb3e9bd8a2f52a7b653941e3686c5df1a (patch) | |
| tree | 8b1beb51463e03ef63b554d41f853b857d7bf1ec | |
| parent | ae2c6dcf90c5a9ff9bd9a176cafd43a255fcc64b (diff) | |
| download | op-kernel-dev-5b74e3abb3e9bd8a2f52a7b653941e3686c5df1a.zip op-kernel-dev-5b74e3abb3e9bd8a2f52a7b653941e3686c5df1a.tar.gz | |
x86_64: Use string instruction memcpy/memset on AMD Fam10
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/x86_64/kernel/setup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 33ef718..675b3d6 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -575,6 +575,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) level = cpuid_eax(1); if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58)) set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); + if (c->x86 == 0x10) + set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); /* Enable workaround for FXSAVE leak */ if (c->x86 >= 6) |
