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authorLinus Torvalds <torvalds@linux-foundation.org>2012-06-15 16:59:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-06-15 16:59:19 -0700
commitc83119a980166539bc14033d89e83cd2e4f2da52 (patch)
treea911873bb8ec85324e3035254399b2a8bb332029 /arch/x86/kernel/smpboot.c
parented21a66c1862499bb21c8e48a450e13fb830f46b (diff)
parent161270fc1f9ddfc17154e0d49291472a9cdef7db (diff)
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar. * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/smp: Fix topology checks on AMD MCM CPUs x86/mm: Fix some kernel-doc warnings x86, um: Correct syscall table type attributes breaking gcc 4.8
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 3fab55bea29..7bd8a082365 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -349,9 +349,12 @@ static bool __cpuinit match_llc(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o)
static bool __cpuinit match_mc(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o)
{
- if (c->phys_proc_id == o->phys_proc_id)
- return topology_sane(c, o, "mc");
+ if (c->phys_proc_id == o->phys_proc_id) {
+ if (cpu_has(c, X86_FEATURE_AMD_DCM))
+ return true;
+ return topology_sane(c, o, "mc");
+ }
return false;
}