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KVM: x86: hyper-v: Honor HV_MSR_SYNIC_AVAILABLE privilege bit
authorVitaly Kuznetsov <vkuznets@redhat.com>
Fri, 21 May 2021 09:51:45 +0000 (11:51 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 17 Jun 2021 17:09:40 +0000 (13:09 -0400)
commitc7e30c13273646d00385f00d7f4513b829b1a24f
treef110e5b7c1aaaa0b962f90d4baa0fb673cc2ec01tree | snapshot
parent33c5e8956a23d106a27519ff6662d6badbcf4cbdcommit | diff
KVM: x86: hyper-v: Honor HV_MSR_SYNIC_AVAILABLE privilege bit

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>
arch/x86/kvm/hyperv.c diff | blob | history
Linux Kernel Source Tree.