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authorAndi Kleen <ak@suse.de>2007-07-21 11:09:57 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 21:37:08 -0400
commit5b74e3abb3e9bd8a2f52a7b653941e3686c5df1a (patch)
tree8b1beb51463e03ef63b554d41f853b857d7bf1ec
parentae2c6dcf90c5a9ff9bd9a176cafd43a255fcc64b (diff)
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.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 33ef718f8cb5..675b3d6de10b 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)
575 level = cpuid_eax(1); 575 level = cpuid_eax(1);
576 if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58)) 576 if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58))
577 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); 577 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
578 if (c->x86 == 0x10)
579 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
578 580
579 /* Enable workaround for FXSAVE leak */ 581 /* Enable workaround for FXSAVE leak */
580 if (c->x86 >= 6) 582 if (c->x86 >= 6)