KVM: nSVM: check for EFER.SVME=1 before entering guest

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EFER is set for L2 using svm_set_efer, which hardcodes EFER_SVME to 1 and hides
an incorrect value for EFER.SVME in the L1 VMCB.  Perform the check manually
to detect invalid guest state.

Reported-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Paolo Bonzini 2020-03-18 13:41:32 +01:00

parent 9401f2e5b0

commit d55c9d4009

1 changed files with 3 additions and 0 deletions

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arch/x86/kvm/svm.c

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