lkml.org 
[lkml]   [2021]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH AUTOSEL 5.15 61/68] vhost-vdpa: clean irqs before reseting vdpa device
    Date
    From: Wu Zongyong <wuzongyong@linux.alibaba.com>

    [ Upstream commit ea8f17e44fa7d54fae287ccbe30ce269afb5ee42 ]

    Vdpa devices should be reset after unseting irqs of virtqueues, or we
    will get errors when killing qemu process:

    >> pi_update_irte: failed to update PI IRTE
    >> irq bypass consumer (token 0000000065102a43) unregistration fails: -22

    Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com>
    Link: https://lore.kernel.org/r/a2cb60cf73be9da5c4e6399242117d8818f975ae.1636946171.git.wuzongyong@linux.alibaba.com
    Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
    Acked-by: Jason Wang <jasowang@redhat.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/vhost/vdpa.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
    index 39039e0461175..e73bff6fcff98 100644
    --- a/drivers/vhost/vdpa.c
    +++ b/drivers/vhost/vdpa.c
    @@ -1015,12 +1015,12 @@ static int vhost_vdpa_release(struct inode *inode, struct file *filep)

    mutex_lock(&d->mutex);
    filep->private_data = NULL;
    + vhost_vdpa_clean_irq(v);
    vhost_vdpa_reset(v);
    vhost_dev_stop(&v->vdev);
    vhost_vdpa_iotlb_free(v);
    vhost_vdpa_free_domain(v);
    vhost_vdpa_config_put(v);
    - vhost_vdpa_clean_irq(v);
    vhost_dev_cleanup(&v->vdev);
    kfree(v->vdev.vqs);
    mutex_unlock(&d->mutex);
    --
    2.33.0
    \
     
     \ /
      Last update: 2021-11-30 15:54    [W:4.095 / U:0.016 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site