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KVM: selftests: Test post-KVM_RUN writes to PERF_CAPABILITIES
authorSean Christopherson <seanjc@google.com>
Sat, 11 Mar 2023 00:46:14 +0000 (16:46 -0800)
committerSean Christopherson <seanjc@google.com>
Thu, 6 Apr 2023 21:58:44 +0000 (14:58 -0700)
commit81fd92411264e4f7b982bb6066b4bc04311bc48a
tree6791a0dd0e5a5c225c27a15921a61c91f8ce2dddtree | snapshot
parentbaa36dac6ca8ecd709dafb87a79d3bead40e48fecommit | diff
KVM: selftests: Test post-KVM_RUN writes to PERF_CAPABILITIES

Now that KVM disallows changing PERF_CAPABILITIES after KVM_RUN, expand
the host side checks to verify KVM rejects any attempts to change bits
from userspace.

Link: https://lore.kernel.org/r/20230311004618.920745-18-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c diff | blob | history
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