On Wed, 5 Jun 2013, Michael Wang wrote:
> > Just to not let this thread sleep -- I am seeing this as well, even with
> > current Linus' tree (git HEAD == aa4f608).
>
> Have you tried this:
>
> diff --git a/drivers/cpufreq/cpufreq_governor.c
> b/drivers/cpufreq/cpufreq_governor.c
> index 443442d..449be88 100644
> --- a/drivers/cpufreq/cpufreq_governor.c
> +++ b/drivers/cpufreq/cpufreq_governor.c
> @@ -26,6 +26,7 @@
> #include <linux/tick.h>
> #include <linux/types.h>
> #include <linux/workqueue.h>
> +#include <linux/cpu.h>
>
> #include "cpufreq_governor.h"
>
> @@ -180,8 +181,10 @@ void gov_queue_work(struct dbs_data *dbs_data,
> struct cpufreq_policy *policy,
> if (!all_cpus) {
> __gov_queue_work(smp_processor_id(), dbs_data, delay);
> } else {
> + get_online_cpus();
> for_each_cpu(i, policy->cpus)
> __gov_queue_work(i, dbs_data, delay);
> + put_online_cpus();
> }
> }
> EXPORT_SYMBOL_GPL(gov_queue_work);
>
> Does it works?
Yes, the warning is gone with this patch.
Tested-by: Jiri Kosina <[email protected]>
Thanks,
--
Jiri Kosina
SUSE Labs
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