Messages in this thread Patch in this message | | | From | Yang Weijiang <> | Subject | [PATCH v6 01/12] perf/x86/intel: Fix the comment about guest LBR support on KVM | Date | Fri, 16 Jul 2021 16:49:55 +0800 |
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From: Like Xu <like.xu@linux.intel.com>
Starting from v5.12, KVM reports guest LBR and extra_regs support when the host has relevant support. Just delete this part of the comment and fix a typo incidentally.
Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Like Xu <like.xu@linux.intel.com> Signed-off-by: Yang Weijiang <weijiang.yang@intel.com> --- arch/x86/events/intel/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index e28892270c58..84fdb8a085e5 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -6249,8 +6249,7 @@ __init int intel_pmu_init(void) x86_pmu.intel_ctrl); /* * Access LBR MSR may cause #GP under certain circumstances. - * E.g. KVM doesn't support LBR MSR - * Check all LBT MSR here. + * Check all LBR MSR here. * Disable LBR access if any LBR MSRs can not be accessed. */ if (x86_pmu.lbr_tos && !check_msr(x86_pmu.lbr_tos, 0x3UL)) -- 2.21.1
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