KVM: x86: Clarify the kvm_run.emulation_failure structure layout

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Until more flags for kvm_run.emulation_failure flags are defined, it
is undetermined whether new payload elements corresponding to those
flags will be additive or alternative. As a hint to userspace that an
alternative is possible, wrap the current payload elements in a union.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210920103737.2696756-2-david.edmondson@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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David Edmondson 2021-09-20 11:37:34 +01:00 • committed by Paolo Bonzini

parent ed290e1c20

commit a9d496d8e0

1 changed files with 6 additions and 2 deletions

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8

include/uapi/linux/kvm.h

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