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bc3d7c5570
Currently if an SEV-ES VM shuts down userspace sees KVM_RUN struct with only errno=EINVAL. This is a very limited amount of information to debug the situation. Instead return KVM_EXIT_SHUTDOWN to alert userspace the VM is shutting down and is not usable any further. Signed-off-by: Peter Gonda <pgonda@google.com> Suggested-by: Sean Christopherson <seanjc@google.com> Suggested-by: Tom Lendacky <thomas.lendacky@amd.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Borislav Petkov <bp@alien8.de> Cc: x86@kernel.org Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Link: https://lore.kernel.org/r/20230907162449.1739785-1-pgonda@google.com [sean: tweak changelog] Signed-off-by: Sean Christopherson <seanjc@google.com> |
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