KVM: SVM: Treat all "skip" emulation for SEV guests as outright failures
Treat EMULTYPE_SKIP failures on SEV guests as unhandleable emulation
instead of simply resuming the guest, and drop the hack-a-fix which
effects that behavior for the INT3/INTO injection path. If KVM can't
skip an instruction for which KVM has already done partial emulation,
resuming the guest is undesirable as doing so may corrupt guest state.
Link: https://lore.kernel.org/r/20230825013621.2845700-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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