KVM: x86: hyper-v: Honor HV_MSR_SYNIC_AVAILABLE privilege bit

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SynIC MSRs (HV_X64_MSR_SCONTROL, HV_X64_MSR_SVERSION, HV_X64_MSR_SIEFP,
HV_X64_MSR_SIMP, HV_X64_MSR_EOM, HV_X64_MSR_SINT0 ... HV_X64_MSR_SINT15)
are only available to guest when HV_MSR_SYNIC_AVAILABLE bit is exposed.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210521095204.2161214-12-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

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Vitaly Kuznetsov 2021-05-21 11:51:45 +02:00 • committed by Paolo Bonzini

parent a1ec661c3f

commit 9e2715ca20

1 changed files with 8 additions and 0 deletions

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arch/x86/kvm/hyperv.c

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