From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Jon Medhurst (Tixy)" <tixy@linaro.org>
Cc: Rafael Wysocki <rjw@rjwysocki.net>,
linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org,
Pi-Cheng Chen <pi-cheng.chen@linaro.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] cpufreq: Initialize the governor again while restoring policy
Date: Wed, 8 Jul 2015 14:59:15 +0530 [thread overview]
Message-ID: <20150708092915.GA24289@linux> (raw)
In-Reply-To: <1436347629.2844.12.camel@linaro.org>
On 08-07-15, 10:27, Jon Medhurst (Tixy) wrote:
> I believe this also fixes the other issue I mentioned (nullptr deref in
> in arm_big_little driver). To test that, after applying this patch, I
> modified the code to force __cpufreq_governor to still return an error
> when a cpu is hotpluged back in. Now the arm_big_little driver doesn't
> get called when I manually poke scaling_setspeed, presumably because
> policy->governor==NULL prevents that from reaching the driver?
I would like to fix that issue without using this patch as we aren't
cleaning up things properly on errors today. I am almost done with the
patches, and will send them to you shortly. Please give them a try
without this patch.
--
viresh
next prev parent reply other threads:[~2015-07-08 9:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 5:53 [PATCH] cpufreq: Initialize the governor again while restoring policy Viresh Kumar
2015-07-08 6:02 ` Pi-Cheng Chen
2015-07-08 9:27 ` Jon Medhurst (Tixy)
2015-07-08 9:29 ` Viresh Kumar [this message]
2015-07-09 0:33 ` Rafael J. Wysocki
2015-07-09 5:10 ` Viresh Kumar
2015-07-10 0:05 ` Rafael J. Wysocki
2015-07-10 3:38 ` Viresh Kumar
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