[PATCH,RESEND 2/3] cpufreq_ondemand.c: don't use _WORK_NAR

From: Oleg Nesterov
Date: Fri Feb 23 2007 - 16:35:33 EST


Looks like dbs_timer() is very careful wrt per_cpu(cpu_dbs_info),
and it doesn't need the help of WORK_STRUCT_NOAUTOREL.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Acked-By: David Howells <dhowells@xxxxxxxxxx>

--- WQ/drivers/cpufreq/cpufreq_ondemand.c~2_cpufreq 2007-02-18 22:56:47.000000000 +0300
+++ WQ/drivers/cpufreq/cpufreq_ondemand.c 2007-02-19 00:07:46.000000000 +0300
@@ -432,9 +432,6 @@ static void do_dbs_timer(struct work_str
/* We want all CPUs to do sampling nearly on same jiffy */
int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate);

- /* Permit rescheduling of this work item */
- work_release(work);
-
delay -= jiffies % delay;

if (lock_policy_rwsem_write(cpu) < 0)
@@ -473,7 +470,7 @@ static inline void dbs_timer_init(struct
dbs_info->enable = 1;
ondemand_powersave_bias_init();
dbs_info->sample_type = DBS_NORMAL_SAMPLE;
- INIT_DELAYED_WORK_NAR(&dbs_info->work, do_dbs_timer);
+ INIT_DELAYED_WORK(&dbs_info->work, do_dbs_timer);
queue_delayed_work_on(dbs_info->cpu, kondemand_wq, &dbs_info->work,
delay);
}

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/