From: Philipp Zabel <p.zabel@pengutronix.de>
To: Shengjiu Wang <shengjiu.wang@gmail.com>
Cc: shengjiu.wang@oss.nxp.com, krzk@kernel.org, hansg@kernel.org,
linux-kernel@vger.kernel.org, broonie@kernel.org,
alvin.sipraga@analog.com
Subject: Re: [PATCH v3] reset: core: Serialize concurrent deassert/reset of shared resets
Date: Thu, 22 Oct 2026 16:41:48 +0200 [thread overview]
Message-ID: <5caae686a2ef9787cc12840beb6fa10b948a47c2.camel@pengutronix.de> (raw)
In-Reply-To: <CAA+D8ANcekkPnB-N_uH12NYxz7omxciAgMW+NL4uakXdGc13ww@mail.gmail.com>
On Do, 2026-10-22 at 21:31 +0800, Shengjiu Wang wrote:
> >
[...]
> > > In short, do you have an opinion how (far) this should be backported,
> > > and does this warrant some Cc:stable tag?
> >
> > You are right that this is only a partial fix for 0b52297f2288, and that
> > reset-gpio did not exist back then. Since the race is latent - it is only
> > reachable once a shared provider whose ops sleep exists (reset-gpio being
> > the first) - and since the patch would not apply before 8c91302a29bc1
> > ("reset: protect struct reset_control with its own mutex", v7.1) anyway, I
> > would like to drop the Fixes: tag and Cc: stable for v4 and present this as
> > a correctness improvement to the shared-reset locking. Anyone hitting it on
> > an older kernel can backport by hand. But let me know if this is acceptable.
>
> Hi Philipp
>
> Do you think is it ok to drop the fixes tag?
I think so, yes.
regards
Philipp
prev parent reply other threads:[~2026-10-22 14:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 3:09 shengjiu.wang
2026-10-21 13:24 ` Philipp Zabel
2026-10-21 14:16 ` Alvin Šipraga
2026-10-22 8:43 ` Philipp Zabel
2026-10-22 10:17 ` Alvin Šipraga
2026-10-22 13:00 ` Philipp Zabel
2026-10-22 13:58 ` Alvin Šipraga
2026-10-22 14:34 ` Philipp Zabel
2026-10-22 3:14 ` Shengjiu Wang
2026-10-22 13:31 ` Shengjiu Wang
2026-10-22 14:41 ` Philipp Zabel [this message]
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