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| author | Andi Kleen <ak@suse.de> | 2007-07-22 11:12:34 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-22 11:03:38 -0700 |
| commit | 0bd8acd1a7fbb5492c1de8af271b6964a7fd5274 (patch) | |
| tree | 79193ff8c5a9a0914e40d447516aa765627e22c3 | |
| parent | fbab6e7a5cdcc53c2f56404ae0f7f5a3fd48f609 (diff) | |
| download | linux-3.10-0bd8acd1a7fbb5492c1de8af271b6964a7fd5274.tar.gz linux-3.10-0bd8acd1a7fbb5492c1de8af271b6964a7fd5274.tar.bz2 linux-3.10-0bd8acd1a7fbb5492c1de8af271b6964a7fd5274.zip | |
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>
| -rw-r--r-- | arch/x86_64/kernel/setup.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 6fa0a302e2a..af838f6b0b7 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); |