KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
authorLike Xu <like.xu@linux.intel.com>
Wed, 30 Dec 2020 08:19:16 +0000 (16:19 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 25 Jan 2021 23:52:07 +0000 (18:52 -0500)
The HW_REF_CPU_CYCLES event on the fixed counter 2 is pseudo-encoded as
0x0300 in the intel_perfmon_event_map[]. Correct its usage.

Fixes: 62079d8a4312 ("KVM: PMU: add proper support for fixed counter 2")
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20201230081916.63417-1-like.xu@linux.intel.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx/pmu_intel.c

index d1584ae..cdf5f34 100644 (file)
@@ -29,7 +29,7 @@ static struct kvm_event_hw_type_mapping intel_arch_events[] = {
        [4] = { 0x2e, 0x41, PERF_COUNT_HW_CACHE_MISSES },
        [5] = { 0xc4, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
        [6] = { 0xc5, 0x00, PERF_COUNT_HW_BRANCH_MISSES },
-       [7] = { 0x00, 0x30, PERF_COUNT_HW_REF_CPU_CYCLES },
+       [7] = { 0x00, 0x03, PERF_COUNT_HW_REF_CPU_CYCLES },
 };
 
 /* mapping between fixed pmc index and intel_arch_events array */