Re: [PATCH v3] cpufreq: Fix timer/workqueue corruption by protectingreading governor_enabled

From: Jane Li
Date: Fri Jan 03 2014 - 04:20:44 EST



On 01/03/2014 02:50 PM, Viresh Kumar wrote:
On 3 January 2014 12:14, <jiel@xxxxxxxxxxx> wrote:
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index dc196bb..15c62df 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -389,6 +389,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
unsigned int relation);
int cpufreq_register_governor(struct cpufreq_governor *governor);
void cpufreq_unregister_governor(struct cpufreq_governor *governor);
+extern struct mutex cpufreq_governor_lock;

/* CPUFREQ DEFAULT GOVERNOR */
/*
Move this to cpufreq_governor.h instead. I don't want this to be available
for everybody to use it.

OK. Have pushed PATCH v4. Please review again.

Thanks!

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