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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
commit5e2aa2ed08e2e280121dc7cf5609c87d464f12ef (patch)
treeca7d7b1480285e3b617fecc5b41f0ce150a82c32 /arch/x86/kvm/pmu.c
parentf62d14a8072b9756db36ba394e2b267470a40240 (diff)
parentfc8104bc5a3f6f49d79f45f2706f79f77a9fb2ae (diff)
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.17.
Diffstat (limited to 'arch/x86/kvm/pmu.c')
-rw-r--r--arch/x86/kvm/pmu.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index 5c4f63151b4d..cbecaa90399c 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -108,7 +108,10 @@ static void kvm_perf_overflow(struct perf_event *perf_event,
{
struct kvm_pmc *pmc = perf_event->overflow_handler_context;
struct kvm_pmu *pmu = &pmc->vcpu->arch.pmu;
- __set_bit(pmc->idx, (unsigned long *)&pmu->global_status);
+ if (!test_and_set_bit(pmc->idx, (unsigned long *)&pmu->reprogram_pmi)) {
+ __set_bit(pmc->idx, (unsigned long *)&pmu->global_status);
+ kvm_make_request(KVM_REQ_PMU, pmc->vcpu);
+ }
}
static void kvm_perf_overflow_intr(struct perf_event *perf_event,
@@ -117,7 +120,7 @@ static void kvm_perf_overflow_intr(struct perf_event *perf_event,
struct kvm_pmc *pmc = perf_event->overflow_handler_context;
struct kvm_pmu *pmu = &pmc->vcpu->arch.pmu;
if (!test_and_set_bit(pmc->idx, (unsigned long *)&pmu->reprogram_pmi)) {
- kvm_perf_overflow(perf_event, data, regs);
+ __set_bit(pmc->idx, (unsigned long *)&pmu->global_status);
kvm_make_request(KVM_REQ_PMU, pmc->vcpu);
/*
* Inject PMI. If vcpu was in a guest mode during NMI PMI