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>

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 33ef718f8cb5ee1e5cbf08c5644a25b592f685ea..675b3d6de10b883596f5a207afb7a20727867045 100644 (file)
--- 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)