From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Linux PM <linux-pm@vger.kernel.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: PATCH] cpufreq: Do not clear real_cpus mask on policy init
Date: Mon, 13 Feb 2017 13:44:57 +0100 [thread overview]
Message-ID: <11448597.UpH3K2oSNs@aspire.rjw.lan> (raw)
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
If new_policy is set in cpufreq_online(), the policy object has just
been created and its real_cpus mask has been zeroed on allocation,
and the driver's ->init() callback should not touch it.
It doesn't need to be cleared again, so don't do that.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/cpufreq/cpufreq.c | 2 --
1 file changed, 2 deletions(-)
Index: linux-pm/drivers/cpufreq/cpufreq.c
===================================================================
--- linux-pm.orig/drivers/cpufreq/cpufreq.c
+++ linux-pm/drivers/cpufreq/cpufreq.c
@@ -1166,8 +1166,6 @@ static int cpufreq_online(unsigned int c
if (new_policy) {
/* related_cpus should at least include policy->cpus. */
cpumask_copy(policy->related_cpus, policy->cpus);
- /* Clear mask of registered CPUs */
- cpumask_clear(policy->real_cpus);
}
/*
next reply other threads:[~2017-02-13 12:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-13 12:44 Rafael J. Wysocki [this message]
2017-02-14 3:47 ` PATCH] cpufreq: Do not clear real_cpus mask on policy init Viresh Kumar
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