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From:   Vladimir Oltean <vladimir.oltean@nxp.com>
To:     Pavel Machek <pavel@denx.de>
CC:     Sasha Levin <sashal@kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>,
        Jakub Kicinski <kuba@kernel.org>,
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        "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH AUTOSEL 5.10 22/34] net/sched: taprio: taprio_dump and
 taprio_change are protected by rtnl_mutex
Thread-Topic: [PATCH AUTOSEL 5.10 22/34] net/sched: taprio: taprio_dump and
 taprio_change are protected by rtnl_mutex
Thread-Index: AQHY3C2kHrdjzthEi0WraLEdXdCgp64T9AOAgAAAvIA=
Date:   Tue, 18 Oct 2022 09:46:54 +0000
Message-ID: <20221018094653.nt4sh67m2mjkcnkv@skbuf>
References: <20221009222129.1218277-1-sashal@kernel.org>
 <20221009222129.1218277-22-sashal@kernel.org>
 <20221018094415.GF1264@duo.ucw.cz>
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On Tue, Oct 18, 2022 at 11:44:15AM +0200, Pavel Machek wrote:
> Hi!
>=20
> > From: Vladimir Oltean <vladimir.oltean@nxp.com>
> >=20
> > [ Upstream commit 18cdd2f0998a4967b1fff4c43ed9aef049e42c39 ]
> >=20
> > 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.
>=20
> 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 oth=
ers.=