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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-28 12:57:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-28 12:57:01 -0700 |
| commit | a947e23a8ec04bccbfe98c5a2d64cd1f88b612d5 (patch) | |
| tree | d64bfae3af141014e93b32036ee8cb3202655ecc /arch/x86/kernel/cpu/amd.c | |
| parent | 08a8b79600101fd6e13dcf05409b330e7f5b0478 (diff) | |
| parent | 9a3865b185e77d1a4ca2d8356e37c19b78168961 (diff) | |
| download | linux-a947e23a8ec04bccbfe98c5a2d64cd1f88b612d5.tar.bz2 | |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, asm: Clean up desc.h a bit
x86, amd: Do not enable ARAT feature on AMD processors below family 0x12
x86: Move do_page_fault()'s error path under unlikely()
x86, efi: Retain boot service code until after switching to virtual mode
x86: Remove unnecessary check in detect_ht()
x86: Reorder mm_context_t to remove x86_64 alignment padding and thus shrink mm_struct
x86, UV: Clean up uv_tlb.c
x86, UV: Add support for SGI UV2 hub chip
x86, cpufeature: Update CPU feature RDRND to RDRAND
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 8f5cabb3c5b0..b13ed393dfce 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -612,8 +612,11 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) } #endif - /* As a rule processors have APIC timer running in deep C states */ - if (c->x86 > 0xf && !cpu_has_amd_erratum(amd_erratum_400)) + /* + * Family 0x12 and above processors have APIC timer + * running in deep C states. + */ + if (c->x86 > 0x11) set_cpu_cap(c, X86_FEATURE_ARAT); /* |