KVM: x86: Raise #GP when guest vCPU do not support PMU

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Before this change, reading a VMware pseduo PMC will succeed even when
PMU is not supported by guest. This can easily be seen by running
kvm-unit-test vmware_backdoors with "-cpu host,-pmu" option.

Reviewed-by: Mihai Carabas <mihai.carabas@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Liran Alon 2019-03-25 21:10:17 +02:00 • committed by Paolo Bonzini

parent 1811d979c7

commit 672ff6cff8

1 changed files with 4 additions and 0 deletions

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arch/x86/kvm/pmu.c

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