Re: [PATCH vhost 0/2] virtio_net: fix for stuck when change ring size with dev down

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 11 Aug 2022 04:11:22 -0400, "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> On Thu, Aug 11, 2022 at 04:02:56PM +0800, Xuan Zhuo wrote:
> > When dev is set to DOWN state, napi has been disabled, if we modify the
> > ring size at this time, we should not call napi_disable() again, which
> > will cause stuck.
> >
> > And all operations are under the protection of rtnl_lock, so there is no
> > need to consider concurrency issues.
> >
> > PS.
> > Hi Michael, I don't know which way is more convenient for you, so I split the
> > commit into two commits, so you can fixup to my previous commit:
> >
> >     virtio_net: support tx queue resize
> > 	virtio_net: support rx queue resize
> >
> > Xuan Zhuo (2):
> >   virtio_net: fix for stuck when change rx ring size with dev down
> >   virtio_net: fix for stuck when change tx ring size with dev down
> >
> >  drivers/net/virtio_net.c | 14 ++++++++++----
> >  1 file changed, 10 insertions(+), 4 deletions(-)
>
>
> Which patches does this fix?
> Maybe I should squash.

These two:
     virtio_net: support tx queue resize
     virtio_net: support rx queue resize

Thanks.


>
> > --
> > 2.31.0
>
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux