From: Gleb Natapov <[email protected]>
Signed-off-by: Gleb Natapov <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
(cherry picked from commit 270c6c79f4e15e599f47174ecedad932463af7a2)
---
arch/x86/kvm/pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index 7aad544..3e48c1d 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -413,7 +413,7 @@ int kvm_pmu_read_pmc(struct kvm_vcpu *vcpu, unsigned pmc,
u64 *data)
struct kvm_pmc *counters;
u64 ctr;
- pmc &= (3u << 30) - 1;
+ pmc &= ~(3u << 30);
if (!fixed && pmc >= pmu->nr_arch_gp_counters)
return 1;
if (fixed && pmc >= pmu->nr_arch_fixed_counters)
--
1.7.10.1
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