Re: [PATCH 1/4] virtio-net: convert rx mode setting to use workqueue

From: Jason Wang
Date: Thu Dec 29 2022 - 22:41:47 EST


On Fri, Dec 30, 2022 at 10:51 AM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>
> On Tue, 27 Dec 2022 17:06:10 +0800 Jason Wang wrote:
> > > Hmm so user tells us to e.g enable promisc. We report completion
> > > but card is still dropping packets. I think this
> > > has a chance to break some setups.
> >
> > I think all those filters are best efforts, am I wrong?
>
> Are the flags protected by the addr lock which needs BH, tho?
>
> Taking netif_addr_lock_bh() to look at dev->flags seems a bit
> surprising to me.
>

Yes, RTNL should be sufficient here. Will fix it.

Thanks