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cpufreq/intel_pstate: Replace synchronize_sched() with synchronize_rcu()

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Now that synchronize_rcu() waits for preempt-disable regions of code
as well as RCU read-side critical sections, synchronize_sched() can be
replaced by synchronize_rcu().  This commit therefore makes this change.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: <linux-pm@vger.kernel.org>
This commit is contained in:
Paul E. McKenney 2018-11-05 17:17:47 -08:00
parent d05faa5f1a
commit 09659af308
1 changed files with 1 additions and 1 deletions
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2
drivers/cpufreq/intel_pstate.c
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@ -1930,7 +1930,7 @@ static void intel_pstate_clear_update_util_hook(unsigned int cpu)
cpufreq_remove_update_util_hook(cpu);
cpu_data->update_util_set = false;
synchronize_sched();
synchronize_rcu();
}
static int intel_pstate_get_max_freq(struct cpudata *cpu)