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[Qemu-devel] [PATCH] qemu: init all queues to NO_VECTOR value
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH] qemu: init all queues to NO_VECTOR value |
Date: |
Mon, 7 Sep 2009 21:20:15 +0300 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
initialize vectors for all vqs to VIRTIO_NO_VECTOR rather than 0 which
is a valid vector. This fixes migration which happened before driver
was loaded.
Signed-off-by: Michael S. Tsirkin <address@hidden>
Reported-by: Amit Shah <address@hidden>
Tested-by: Amit Shah <address@hidden>
---
hw/virtio.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b/hw/virtio.c
index 41e7ca2..337ff27 100644
--- a/hw/virtio.c
+++ b/hw/virtio.c
@@ -694,6 +694,7 @@ VirtIODevice *virtio_common_init(const char *name, uint16_t
device_id,
size_t config_size, size_t struct_size)
{
VirtIODevice *vdev;
+ int i;
vdev = qemu_mallocz(struct_size);
@@ -703,6 +704,8 @@ VirtIODevice *virtio_common_init(const char *name, uint16_t
device_id,
vdev->queue_sel = 0;
vdev->config_vector = VIRTIO_NO_VECTOR;
vdev->vq = qemu_mallocz(sizeof(VirtQueue) * VIRTIO_PCI_QUEUE_MAX);
+ for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++)
+ vdev->vq[i].vector = VIRTIO_NO_VECTOR;
vdev->name = name;
vdev->config_len = config_size;
--
1.6.2.5
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