diff options
| author |   Wu Zongyong <wuzongyong@linux.alibaba.com> | 2021-09-15 14:39:32 +0800 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2021-10-13 08:35:36 -0400 |
| commit | 97f854be203883b61d24f230445bd533bbdf770c (patch) | |
| tree | a1893d5240381ddb1a1063e71e1f5eb23e73cafb /drivers/vhost | |
| parent | virtio: write back F_VERSION_1 before validate (diff) | |
| download | wireguard-linux-97f854be203883b61d24f230445bd533bbdf770c.tar.xz wireguard-linux-97f854be203883b61d24f230445bd533bbdf770c.zip | |
vhost_vdpa: unset vq irq before freeing irq
Currently we unset vq irq after freeing irq and that will result in
error messages:
pi_update_irte: failed to update PI IRTE
irq bypass consumer (token 000000005a07a12b) unregistration fails: -22
This patch solves this.
Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com>
Link: https://lore.kernel.org/r/02637d38dcf4e4b836c5b3a65055fe92bf812b3b.1631687872.git.wuzongyong@linux.alibaba.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vdpa.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 35927ceb26ff..924751427cd2 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -173,6 +173,10 @@ static long vhost_vdpa_set_status(struct vhost_vdpa *v, u8 __user *statusp) if (status != 0 && (ops->get_status(vdpa) & ~status) != 0) return -EINVAL; + if ((status_old & VIRTIO_CONFIG_S_DRIVER_OK) && !(status & VIRTIO_CONFIG_S_DRIVER_OK)) + for (i = 0; i < nvqs; i++) + vhost_vdpa_unsetup_vq_irq(v, i); + if (status == 0) { ret = ops->reset(vdpa); if (ret) @@ -184,10 +188,6 @@ static long vhost_vdpa_set_status(struct vhost_vdpa *v, u8 __user *statusp) for (i = 0; i < nvqs; i++) vhost_vdpa_setup_vq_irq(v, i); - if ((status_old & VIRTIO_CONFIG_S_DRIVER_OK) && !(status & VIRTIO_CONFIG_S_DRIVER_OK)) - for (i = 0; i < nvqs; i++) - vhost_vdpa_unsetup_vq_irq(v, i); - return 0; } |