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| author | Paul E. McKenney <paulmck@linux.ibm.com> | 2018-11-05 17:17:47 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2018-11-27 09:21:38 -0800 |
| commit | 09659af30860789b6f7d1c7dd35a7e829d530db5 (patch) | |
| tree | 8625344330efb4d3f25054df1d625b000960f8be /drivers/cpufreq | |
| parent | d05faa5f1ac50beef77b4ceba0e8e157d41146e2 (diff) | |
| download | lwn-09659af30860789b6f7d1c7dd35a7e829d530db5.tar.gz lwn-09659af30860789b6f7d1c7dd35a7e829d530db5.zip | |
cpufreq/intel_pstate: Replace synchronize_sched() with synchronize_rcu()
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>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9578312e43f2..ed124d72db76 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -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) |