KVM: x86: Set intercept for Intel PT MSRs read/write
To save performance overhead, disable intercept Intel PT MSRs read/write when Intel PT is enabled in guest. MSR_IA32_RTIT_CTL is an exception that will always be intercepted. Signed-off-by: NChao Peng <chao.p.peng@linux.intel.com> Signed-off-by: NLuwei Kang <luwei.kang@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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