selftests: kvm/x86: add test for pmu msr MSR_IA32_PERF_CAPABILITIES
This test will check the effect of various CPUID settings on the MSR_IA32_PERF_CAPABILITIES MSR, check that whatever user space writes with KVM_SET_MSR is _not_ modified from the guest and can be retrieved with KVM_GET_MSR, and check that invalid LBR formats are rejected. Signed-off-by: Like Xu <like.xu@linux.intel.com> Message-Id: <20210201051039.255478-12-like.xu@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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