On Sep02 18:07, Michael S. Tsirkin wrote: > From: Jason Wang <jasow...@redhat.com> > > commit a9f98bb5ebe6fb1869321dcc58e72041ae626ad8 vhost: multiqueue > support changed the order of stopping the device. Previously > vhost_dev_stop would disable backend and only afterwards, unset guest > notifiers. We now unset guest notifiers while vhost is still > active. This can lose interrupts causing guest networking to fail. In > particular, this has been observed during migration. > > To adapt this, several other changes are needed: > - remove the hdev->started assertion in vhost.c since we may want to > start the guest notifiers before vhost starts and stop the guest > notifiers after vhost is stopped. > - introduce the vhost_net_set_vq_index() and call it before setting > guest notifiers. This is used to guarantee vhost_net has the correct > virtqueue index when setting guest notifiers. > > Cc: qemu-sta...@nongnu.org > Reported-by: "Zhangjie (HZ)" <zhangji...@huawei.com> > Tested-by: William Dauchy <wdau...@gmail.com>
please use: Tested-by: William Dauchy <will...@gandi.net> > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > Signed-off-by: Jason Wang <jasow...@redhat.com> > Reviewed-by: Michael S. Tsirkin <m...@redhat.com> > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> Thanks, -- William
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