[PATCH 2/3] kvm tools: Make virtio-console kvm__irq_line thread safe

[Asias He]

Signed-off-by: Asias He <asias.he...@gmail.com>
---
 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

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