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>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 6fa0a302e2aa..af838f6b0b7f 100644
--- 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);