From: Dirk Brandewie <dirk.j.brande...@intel.com> Ensure that no timer callback is running since we are about to free the timer structure. We cannot guarantee that the call back is called on the CPU where the timer is running.
Reported-by: Thomas Gleixner <t...@linutronix.de> Signed-off-by: Dirk Brandewie <dirk.j.brande...@intel.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: "Rafael J. Wysocki" <r...@rjwysocki.net> Cc: cpufreq <cpuf...@vger.kernel.org> --- drivers/cpufreq/intel_pstate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index e9092fd..a4a9ba5 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -780,7 +780,7 @@ static int intel_pstate_cpu_stop(struct cpufreq_policy *policy) pr_info("intel_pstate CPU %d exiting\n", cpu_num); - del_timer(&all_cpu_data[cpu_num]->timer); + del_timer_sync(&all_cpu_data[cpu_num]->timer); intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate); kfree(all_cpu_data[cpu_num]); all_cpu_data[cpu_num] = NULL; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/