diff options
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/msr-index.h | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/pmu_intel.c | 8 |
3 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index a9d03af34030..275990e3415b 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -469,6 +469,7 @@ struct kvm_pmu { u64 global_ovf_ctrl; u64 counter_bitmask[2]; u64 global_ctrl_mask; + u64 global_ovf_ctrl_mask; u64 reserved_bits; u8 version; struct kvm_pmc gp_counters[INTEL_PMC_MAX_GENERIC]; diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index be40c094bc49..3bf5d84bb64f 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -784,6 +784,10 @@ /* PERF_GLOBAL_OVF_CTL bits */ #define MSR_CORE_PERF_GLOBAL_OVF_CTRL_TRACE_TOPA_PMI_BIT 55 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL_TRACE_TOPA_PMI (1ULL << MSR_CORE_PERF_GLOBAL_OVF_CTRL_TRACE_TOPA_PMI_BIT) +#define MSR_CORE_PERF_GLOBAL_OVF_CTRL_OVF_BUF_BIT 62 +#define MSR_CORE_PERF_GLOBAL_OVF_CTRL_OVF_BUF (1ULL << MSR_CORE_PERF_GLOBAL_OVF_CTRL_OVF_BUF_BIT) +#define MSR_CORE_PERF_GLOBAL_OVF_CTRL_COND_CHGD_BIT 63 +#define MSR_CORE_PERF_GLOBAL_OVF_CTRL_COND_CHGD (1ULL << MSR_CORE_PERF_GLOBAL_OVF_CTRL_COND_CHGD_BIT) /* Geode defined MSRs */ #define MSR_GEODE_BUSCONT_CONF0 0x00001900 diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c index 5ab4a364348e..f8502c376b37 100644 --- a/arch/x86/kvm/vmx/pmu_intel.c +++ b/arch/x86/kvm/vmx/pmu_intel.c @@ -227,7 +227,7 @@ static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) } break; case MSR_CORE_PERF_GLOBAL_OVF_CTRL: - if (!(data & (pmu->global_ctrl_mask & ~(3ull<<62)))) { + if (!(data & pmu->global_ovf_ctrl_mask)) { if (!msr_info->host_initiated) pmu->global_status &= ~data; pmu->global_ovf_ctrl = data; @@ -297,6 +297,12 @@ static void intel_pmu_refresh(struct kvm_vcpu *vcpu) pmu->global_ctrl = ((1ull << pmu->nr_arch_gp_counters) - 1) | (((1ull << pmu->nr_arch_fixed_counters) - 1) << INTEL_PMC_IDX_FIXED); pmu->global_ctrl_mask = ~pmu->global_ctrl; + pmu->global_ovf_ctrl_mask = pmu->global_ctrl_mask + & ~(MSR_CORE_PERF_GLOBAL_OVF_CTRL_OVF_BUF | + MSR_CORE_PERF_GLOBAL_OVF_CTRL_COND_CHGD); + if (kvm_x86_ops->pt_supported()) + pmu->global_ovf_ctrl_mask &= + ~MSR_CORE_PERF_GLOBAL_OVF_CTRL_TRACE_TOPA_PMI; entry = kvm_find_cpuid_entry(vcpu, 7, 0); if (entry && |