linux-kernel - Re: [PATCH 4.19 07/24] regulator: core: avoid regulator_resolve

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Message-ID: <YCVPYEgCIbqDRYLa@kroah.com>
Date:   Thu, 11 Feb 2021 16:38:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        David Collins <collinsd@...eaurora.org>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 07/24] regulator: core: avoid
 regulator_resolve_supply() race condition

On Thu, Feb 11, 2021 at 03:26:56PM +0000, Mark Brown wrote:
> On Thu, Feb 11, 2021 at 04:02:41PM +0100, Greg Kroah-Hartman wrote:
> > From: David Collins <collinsd@...eaurora.org>
> > 
> > [ Upstream commit eaa7995c529b54d68d97a30f6344cc6ca2f214a7 ]
> > 
> > The final step in regulator_register() is to call
> > regulator_resolve_supply() for each registered regulator
> 
> This is buggy without a followup which doesn't seem to have been
> backported here.

Would that be 14a71d509ac8 ("regulator: Fix lockdep warning resolving
supplies")?  Looks like it made it into the 5.4.y and 5.10.y queues, but
not 4.19.y.

Sasha, any reason for this?

thanks,

greg k-h