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Do not stop VM if emulation failed in userspace.

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Continue vcpu execution in case emulation failure happened while vcpu
was in userspace. In this case #UD will be injected into the guest
allowing guest OS to kill offending process and continue.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Gleb Natapov 2010-05-10 11:21:34 +03:00 • committed by Marcelo Tosatti
parent 0af691d779
commit 4513d9232b
5 changed files with 21 additions and 0 deletions
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2
kvm-all.c
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@ -764,6 +764,8 @@ static void kvm_handle_internal_error(CPUState *env, struct kvm_run *run)
cpu_dump_state(env, stderr, fprintf, 0);
if (run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION) {
fprintf(stderr, "emulation failure\n");
if (!kvm_arch_stop_on_emulation_error(env))
return;
}
/* FIXME: Should trigger a qmp message to let management know
* something went wrong.