Re: [PATCH AUTOSEL 5.10 22/34] net/sched: taprio: taprio_dump and taprio_change are protected by rtnl_mutex

From: Vladimir Oltean
Date: Tue Oct 18 2022 - 05:47:08 EST


On Tue, Oct 18, 2022 at 11:44:15AM +0200, Pavel Machek wrote:
> Hi!
>
> > From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> >
> > [ Upstream commit 18cdd2f0998a4967b1fff4c43ed9aef049e42c39 ]
> >
> > Since the writer-side lock is taken here, we do not need to open an RCU
> > read-side critical section, instead we can use rtnl_dereference() to
> > tell lockdep we are serialized with concurrent writes.
>
> This is cleanup, not a bugfix. We should not have it in 5.10.

Agreed, looks like I missed this one when replying to Sasha for all the others.