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[Qemu-devel] [PATCH 7/8] vhost: set started flag while start is in progr
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH 7/8] vhost: set started flag while start is in progress |
Date: |
Wed, 26 Dec 2012 12:52:42 +0200 |
This makes it possible to use started flag for sanity checking
of callbacks that happen during start/stop.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/vhost.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/hw/vhost.c b/hw/vhost.c
index b6d73ca..4fa5007 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -873,6 +873,9 @@ void vhost_dev_disable_notifiers(struct vhost_dev *hdev,
VirtIODevice *vdev)
int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev)
{
int i, r;
+
+ hdev->started = true;
+
if (!vdev->binding->set_guest_notifiers) {
fprintf(stderr, "binding does not support guest notifiers\n");
r = -ENOSYS;
@@ -918,8 +921,6 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice
*vdev)
}
}
- hdev->started = true;
-
return 0;
fail_log:
fail_vq:
@@ -934,6 +935,8 @@ fail_features:
vdev->binding->set_guest_notifiers(vdev->binding_opaque, hdev->nvqs,
false);
fail_notifiers:
fail:
+
+ hdev->started = false;
return r;
}
--
MST
- [Qemu-devel] [PATCH 0/8] virtio-pci: msix masking optimizations, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 1/8] virtio: don't waste irqfds on control vqs, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 2/8] msix: add api to access msix message, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 4/8] virtio-pci: cache msix messages, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 3/8] kvm: add stub for update msi route, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 5/8] virtio: backend virtqueue notifier masking, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 8/8] vhost: backend masking support, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 6/8] virtio-net: set/clear vhost_started in reverse order, Michael S. Tsirkin, 2012/12/26
- [Qemu-devel] [PATCH 7/8] vhost: set started flag while start is in progress,
Michael S. Tsirkin <=