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

From: Pavel Machek
Date: Tue Oct 18 2022 - 05:44:37 EST


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.

Best regards,
Pavel
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