summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorLike Xu <like.xu@linux.intel.com>2020-12-30 09:19:16 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2021-01-26 00:52:07 +0100
commit98dd2f108e448988d91e296173e773b06fb978b8 (patch)
tree3ae3af84bf31ee541c1bd2671668f1b648d675c9 /arch
parentKVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh() (diff)
downloadlinux-98dd2f108e448988d91e296173e773b06fb978b8.tar.xz
linux-98dd2f108e448988d91e296173e773b06fb978b8.zip
KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/vmx/pmu_intel.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index d1584ae6625a..cdf5f34518f4 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -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 */