On 07/20/12 03:05, Rafael J. Wysocki wrote: > > The following part of your changelog has confused Patchwork. I guess it > will also confuse other tools, so care to describe what to do instead? Sure. I thought that might happen but I put a space in front in hopes it wouldn't cause troubles. > >> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c >> index a290771..62af12d 100644 >> --- a/drivers/cpufreq/cpufreq.c >> +++ b/drivers/cpufreq/cpufreq.c >> @@ -675,6 +675,7 @@ static ssize_t store(struct kobject *kobj >> >> unlock_policy_rwsem_write(policy->cpu); >> fail: >> + msleep(10000); >> cpufreq_cpu_put_sysfs(policy); >> no_policy: >> return ret; >> >> and then write scaling_setspeed in one task and offline the cpu >> in another. The first task will hang and be detected by the hung >> task detector. >> >> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> >> --- >> >> Before you ask, I've seen the comment above cpufreq_add_dev() about >> concurrent hotplug/cpufreq. >> >> drivers/cpufreq/cpufreq.c | 35 +++++++++++++++++++++++++++-------- >> 1 file changed, 27 insertions(+), 8 deletions(-) >> >> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c >> index 7f2f149..a290771 100644 >> --- a/drivers/cpufreq/cpufreq.c >> +++ b/drivers/cpufreq/cpufreq.c >> @@ -138,7 +138,7 @@ void disable_cpufreq(void) >> static LIST_HEAD(cpufreq_governor_list); >> static DEFINE_MUTEX(cpufreq_governor_mutex); >> >> -struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu) >> +static struct cpufreq_policy *__cpufreq_cpu_get(unsigned int cpu, int sysfs) > I'd prefer the sysfs arg to be a bool. Sure. V2 coming right up. -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html