x86_64: Set K8 CPUID flag for K8/Fam10h/Fam11h

Previously this flag was only used on 32bit, but some shared code can use
it now.

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 6fa0a302e2aa9b121daa487220b27efdbd88f570..af838f6b0b7fc9b7e3ed4de0ab12992e48cf9f18 100644 (file)
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -608,6 +608,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
        else
                num_cache_leaves = 3;
 
+       if (c->x86 == 0xf || c->x86 == 0x10 || c->x86 == 0x11)
+               set_bit(X86_FEATURE_K8, &c->x86_capability);
+
        /* RDTSC can be speculated around */
        clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);