linux-kernel - Re: [PATCH v1 1/5] PM: sleep: Fix runtime PM issue in dpm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2024111648-drilling-jubilant-1285@gregkh>
Date: Sat, 16 Nov 2024 08:43:09 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Saravana Kannan <saravanak@...gle.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Pavel Machek <pavel@....cz>,
	Len Brown <len.brown@...el.com>, Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Marek Vasut <marex@...x.de>, Bird@...gle.com,
	Tim <Tim.Bird@...y.com>, kernel-team@...roid.com,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/5] PM: sleep: Fix runtime PM issue in dpm_resume()

On Thu, Nov 14, 2024 at 02:09:15PM -0800, Saravana Kannan wrote:
> Some devices might have their is_suspended flag set to false. In these
> cases, dpm_resume() should skip doing anything for those devices.
> However, runtime PM enable and a few others steps are done before
> checking for this flag. Fix it so that we do things in the right order.
> 
> Signed-off-by: Saravana Kannan <saravanak@...gle.com>

This looks like a nice generic fix as well, should it go to older
kernels?

thanks,

greg k-h