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KVM: nSVM: Trace VM-Enter consistency check failures
authorSean Christopherson <seanjc@google.com>
Thu, 4 Feb 2021 00:01:17 +0000 (16:01 -0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 26 Feb 2021 13:36:03 +0000 (08:36 -0500)
commita3f279697b58b266959d74f4b9f937ad8c7a7bed
treed1c47ae18972b4bb380b05a6ebf7941886e00052tree
parent1d2c0cba023d40490a31489f3ab13319f30316dbcommit | diff
KVM: nSVM: Trace VM-Enter consistency check failures

Use trace_kvm_nested_vmenter_failed() and its macro magic to trace
consistency check failures on nested VMRUN.  Tracing such failures by
running the buggy VMM as a KVM guest is often the only way to get a
precise explanation of why VMRUN failed.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210204000117.3303214-13-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/svm/nested.c diff | blob | history
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