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KVM: selftests: Expand negative testing of guest writes to PERF_CAPABILITIES
authorSean Christopherson <seanjc@google.com>
Sat, 11 Mar 2023 00:46:13 +0000 (16:46 -0800)
committerSean Christopherson <seanjc@google.com>
Thu, 6 Apr 2023 21:58:44 +0000 (14:58 -0700)
commitbaa36dac6ca8ecd709dafb87a79d3bead40e48fe
tree0f3d82ad516c5dff5713811e97d8865705302d38tree | snapshot
parenta2a34d148e75c242fd059e8c7ab31e88396013b6commit | diff
KVM: selftests: Expand negative testing of guest writes to PERF_CAPABILITIES

Test that the guest can't write 0 to PERF_CAPABILITIES, can't write the
current value, and can't toggle _any_ bits.  There is no reason to special
case the LBR format.

Link: https://lore.kernel.org/r/20230311004618.920745-17-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)