kvm: x86: request masterclock update any time guest uses different msr
Commit 5b9bb0eb ("kvm: x86: encapsulate wrmsr(MSR_KVM_SYSTEM_TIME) emulation in helper fn", 2020-10-21) subtly changed the behavior of guest writes to MSR_KVM_SYSTEM_TIME(_NEW). Restore the previous behavior; update the masterclock any time the guest uses a different msr than before. Fixes: 5b9bb0eb ("kvm: x86: encapsulate wrmsr(MSR_KVM_SYSTEM_TIME) emulation in helper fn", 2020-10-21) Signed-off-by: Oliver Upton <oupton@google.com> Reviewed-by: Peter Shier <pshier@google.com> Message-Id: <20201027231044.655110-6-oupton@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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