KVM: x86: Add support of clear Trace_ToPA_PMI status
Let guests clear the Intel PT ToPA PMI status (bit 55 of MSR_CORE_PERF_GLOBAL_OVF_CTRL). Signed-off-by: NLuwei Kang <luwei.kang@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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