[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] virtio-net: stop vhost backend on vmstop
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH] virtio-net: stop vhost backend on vmstop |
Date: |
Wed, 2 Jun 2010 11:44:24 +0300 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
vhost net currently keep running after vmstop,
which causes trouble as qemy does not check
for dirty pages anymore.
The fix is to simply keep vm and vhost running/stopped
status in sync.
Tested-by: David L Stevens <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/virtio-net.c | 11 +++++------
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index cb664e6..6a9d560 100644
--- a/hw/virtio-net.c
+++ b/hw/virtio-net.c
@@ -877,12 +877,11 @@ static void virtio_net_set_status(struct VirtIODevice
*vdev, uint8_t status)
static void virtio_net_vmstate_change(void *opaque, int running, int reason)
{
VirtIONet *n = opaque;
- if (!running) {
- return;
- }
- /* This is called when vm is started, it will start vhost backend if
- * appropriate e.g. after migration. */
- virtio_net_set_status(&n->vdev, n->vdev.status);
+ uint8_t status = running ? VIRTIO_CONFIG_S_DRIVER_OK : 0;
+ /* This is called when vm is started/stopped,
+ * it will start/stop vhost backend if appropriate
+ * e.g. after migration. */
+ virtio_net_set_status(&n->vdev, n->vdev.status & status);
}
VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf)
--
1.7.1.12.g42b7f
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [PATCH] virtio-net: stop vhost backend on vmstop,
Michael S. Tsirkin <=