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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 12:56:44 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 12:56:44 +0000 |
| commit | 4045407fd7740642b18bc802e8bab064e79a61e5 (patch) | |
| tree | 9412a38886bfad562bc5897c6e4c23bb88703204 /arch/x86/kernel/cpu/perf_event_intel.c | |
| parent | 59136ef3c596606d3eef920dc3e0fdfa2ce52c6f (diff) | |
| parent | 4c5f830c4c9d4f19c1eef356c0cd322b46d695c9 (diff) | |
| download | blackbird-op-linux-4045407fd7740642b18bc802e8bab064e79a61e5.tar.gz blackbird-op-linux-4045407fd7740642b18bc802e8bab064e79a61e5.zip | |
Merge branch 'restart-cleanup' into restart
Conflicts:
arch/arm/kernel/setup.c
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_intel.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_intel.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 2be5ebe99872..8d601b18bf9f 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1545,6 +1545,13 @@ static void intel_clovertown_quirks(void) x86_pmu.pebs_constraints = NULL; } +static void intel_sandybridge_quirks(void) +{ + printk(KERN_WARNING "PEBS disabled due to CPU errata.\n"); + x86_pmu.pebs = 0; + x86_pmu.pebs_constraints = NULL; +} + __init int intel_pmu_init(void) { union cpuid10_edx edx; @@ -1694,6 +1701,7 @@ __init int intel_pmu_init(void) break; case 42: /* SandyBridge */ + x86_pmu.quirks = intel_sandybridge_quirks; case 45: /* SandyBridge, "Romely-EP" */ memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); |
