Signed-off-by: Asias He <asias.hejun@xxxxxxxxx> --- tools/kvm/virtio-console.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/tools/kvm/virtio-console.c b/tools/kvm/virtio-console.c index e66d198..492c859 100644 --- a/tools/kvm/virtio-console.c +++ b/tools/kvm/virtio-console.c @@ -162,7 +162,9 @@ static void virtio_console_handle_callback(struct kvm *self, void *param) virt_queue__set_used_elem(vq, head, len); } + mutex_lock(&console_device.mutex); kvm__irq_line(self, VIRTIO_CONSOLE_IRQ, 1); + mutex_unlock(&console_device.mutex); } static bool virtio_console_pci_io_out(struct kvm *self, uint16_t port, void *data, int size, uint32_t count) -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html