KVM: x86: always allow host-initiated writes to PMU MSRs

Browse source

Whenever an MSR is part of KVM_GET_MSR_INDEX_LIST, it has to be always
retrievable and settable with KVM_GET_MSR and KVM_SET_MSR.  Accept
the PMU MSRs unconditionally in intel_is_valid_msr, if the access was
host-initiated.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

This commit is contained in:

Paolo Bonzini 2022-05-25 04:39:22 -04:00

parent bfb088d9fb

commit d1c88a4020

5 changed files with 27 additions and 20 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

arch/x86/kvm/pmu.c

View file

4

arch/x86/kvm/pmu.h

View file

2

arch/x86/kvm/svm/pmu.c

View file

27

arch/x86/kvm/vmx/pmu_intel.c

View file

10

arch/x86/kvm/x86.c

View file