Messages in this thread | | | Date | Wed, 11 Sep 2013 15:38:25 +0530 | Subject | Re: [PATCH 1/1] Cpufreq: Remove fossil comment of cpufreq_set_policy | From | Viresh Kumar <> |
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On 11 September 2013 08:58, Lan Tianyu <tianyu.lan@intel.com> wrote: > From 668e1b6fd94b5c0e56a651b4c60cbbc7a6868b46 Mon Sep 17 00:00:00 2001 > From: Lan Tianyu <tianyu.lan@intel.com> > Date: Wed, 11 Sep 2013 11:31:15 +0800 > Subject: [PATCH] Cpufreq/governor: Remove fossil comment > > cpufreq_set_policy() has been changed to origin __cpufreq_set_policy() > and policy->lock has been converted to rewrite lock by commit 5a01f2. > So remove it. > > Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> > --- > drivers/cpufreq/cpufreq_userspace.c | 11 ----------- > 1 file changed, 11 deletions(-) > > diff --git a/drivers/cpufreq/cpufreq_userspace.c > b/drivers/cpufreq/cpufreq_userspace.c > index 0307809..4dbf1db 100644 > --- a/drivers/cpufreq/cpufreq_userspace.c > +++ b/drivers/cpufreq/cpufreq_userspace.c > @@ -38,18 +38,7 @@ static int cpufreq_set(struct cpufreq_policy *policy, > unsigned int freq) > if (!per_cpu(cpu_is_managed, policy->cpu)) > goto err; > > - /* > - * We're safe from concurrent calls to ->target() here > - * as we hold the userspace_mutex lock. If we were calling > - * cpufreq_driver_target, a deadlock situation might occur: > - * A: cpufreq_set (lock userspace_mutex) -> > - * cpufreq_driver_target(lock policy->lock) > - * B: cpufreq_set_policy(lock policy->lock) -> > - * __cpufreq_governor -> > - * cpufreq_governor_userspace (lock userspace_mutex) > - */ > ret = __cpufreq_driver_target(policy, freq, CPUFREQ_RELATION_L); > - > err: > mutex_unlock(&userspace_mutex); > return ret;
Looks fine:
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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