linux-kernel - Re: "cpufreq: fix serialization issues with freq change notifiers" breaks cpufreq too

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Message-ID: <CAKohpokaHU0V86DPB7nEQ8ndwu_mJ_x_Uz47XPHZeyAW3hcP_w@mail.gmail.com>
Date:	Wed, 11 Sep 2013 13:36:58 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>
Cc:	Greg KH <greg@...ah.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	SH-Linux <linux-sh@...r.kernel.org>,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: "cpufreq: fix serialization issues with freq change notifiers"
 breaks cpufreq too

On 10 September 2013 22:37, Guennadi Liakhovetski <g.liakhovetski@....de> wrote:
> On Tue, 10 Sep 2013, Viresh Kumar wrote:
>> Quite straight forward actually..
>
> Apparently, not quite.

I overlooked the situation where we return early from ->target() routines.. :(

Please try attached patches, I will repost them later (once I am able to
convince Rafael that these are really important :) )

--
viresh

Download attachment "0001-cpufreq-distinguish-drivers-that-do-asynchronous-not.patch" of type "application/octet-stream" (2313 bytes)

Download attachment "0002-cpufreq-fix-notification-serialization-issues.patch" of type "application/octet-stream" (4388 bytes)