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EFER and PERF_GLOBAL_CTRL MSRs have dedicated VM Entry/Exit controls that KVM dynamically toggles based on whether or not the guest's value for each MSRs differs from the host. Handle the dynamic behavior by adding a helper that clears the dynamic bits so the bits aren't set when initializing the VMCS field outside of the dynamic toggling flow. This makes the handling consistent with similar behavior for other controls, e.g. pin, exec and sec_exec. More importantly, it eliminates two global bools that are stealthily modified by setup_vmcs_config. Opportunistically clean up a comment and print related to errata for IA32_PERF_GLOBAL_CTRL. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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