Re: [PATCH AUTOSEL 6.0 55/77] net/sched: taprio: taprio_dump and taprio_change are protected by rtnl_mutex

Vladimir Oltean <vladimir.oltean@xxxxxxx> · Mon, 10 Oct 2022 11:57:04 +0000

On Sun, Oct 09, 2022 at 06:07:32PM -0400, Sasha Levin wrote:
> 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.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> ---

Not needed for stable kernels, please drop, thanks.