netdev - Re: net: fec: Convert fec driver to use lock guards

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Message-ID: <db3396e9-aad6-40d2-9d1b-0fd7fd3fceac@web.de>
Date: Sun, 23 Jun 2024 13:43:38 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Wei Fang <wei.fang@....com>, netdev@...r.kernel.org,
 kernel-janitors@...r.kernel.org, imx@...ts.linux.dev,
 Andrew Lunn <andrew@...n.ch>, Clark Wang <xiaoning.wang@....com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Richard Cochran <richardcochran@...il.com>,
 Shenwei Wang <shenwei.wang@....com>
Cc: Julia Lawall <julia.lawall@...ia.fr>,
 Peter Zijlstra <peterz@...radead.org>, Simon Horman <horms@...nel.org>,
 Waiman Long <longman@...hat.com>
Subject: Re: net: fec: Convert fec driver to use lock guards

> Was this source code adjustment influenced also by a hint about “LOCK EVASION”
> from the analysis tool “Coverity”?
> https://lore.kernel.org/linux-kernel/AM0PR0402MB38910DB23A6DABF1C074EF1D88E52@AM0PR0402MB3891.eurprd04.prod.outlook.com/
> https://lkml.org/lkml/2024/5/8/77

A corresponding software improvement was integrated on 2024-05-23.

net: fec: avoid lock evasion when reading pps_enable
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/ethernet/freescale/fec_ptp.c?h=v6.10-rc4&id=3b1c92f8e5371700fada307cc8fd2c51fa7bc8c1

Will further collateral evolution become interesting accordingly?

Regards,
Markus