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tools/kvm: Exit gracefully upon KVM_EXIT_SHUTDOWN

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This patch changes the userspace hypervisor to exit gracefully upon
KVM_EXIT_SHUTDOWN which is triggered when guest userspace is shut down.

Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Pekka Enberg
2011-03-22 21:32:46 +02:00
committed by Will Deacon
parent 03110ff36b
commit 8315b1925c
1 changed files with 10 additions and 6 deletions
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main.c
+10 -6
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@@ -190,7 +190,7 @@ int main(int argc, char *argv[])
kvm->kvm_run->io.count);
if (!ret)
goto exit_kvm;
goto panic_kvm;
break;
}
case KVM_EXIT_MMIO: {
@@ -203,30 +203,34 @@ int main(int argc, char *argv[])
kvm->kvm_run->mmio.is_write);
if (!ret)
goto exit_kvm;
goto panic_kvm;
break;
}
case KVM_EXIT_INTR: {
serial8250__interrupt(kvm);
break;
}
default:
case KVM_EXIT_SHUTDOWN:
goto exit_kvm;
default:
goto panic_kvm;
}
}
exit_kvm:
kvm__delete(kvm);
return 0;
panic_kvm:
fprintf(stderr, "KVM exit reason: %" PRIu32 " (\"%s\")\n",
kvm->kvm_run->exit_reason, kvm_exit_reasons[kvm->kvm_run->exit_reason]);
if (kvm->kvm_run->exit_reason == KVM_EXIT_UNKNOWN)
fprintf(stderr, "KVM exit code: 0x%" PRIu64 "\n",
kvm->kvm_run->hw.hardware_exit_reason);
kvm__show_registers(kvm);
kvm__show_code(kvm);
kvm__show_page_tables(kvm);
kvm__delete(kvm);
return 0;
return 1;
}