The patch titled
Add a new deferrable delayed work init
has been added to the -mm tree. Its filename is
add-a-new-deferrable-delayed-work-init.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Add a new deferrable delayed work init
From: Venki Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
Add a new deferrable delayed work init. This can be used to schedule work
that are 'unimportant' when CPU is idle and can be called later, when CPU
eventually comes out of idle.
Use this init in cpufreq ondemand governor.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
Cc: Dave Jones <davej@xxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/cpufreq/cpufreq_ondemand.c | 2 +-
include/linux/workqueue.h | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff -puN drivers/cpufreq/cpufreq_ondemand.c~add-a-new-deferrable-delayed-work-init drivers/cpufreq/cpufreq_ondemand.c
--- a/drivers/cpufreq/cpufreq_ondemand.c~add-a-new-deferrable-delayed-work-init
+++ a/drivers/cpufreq/cpufreq_ondemand.c
@@ -470,7 +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(&dbs_info->work, do_dbs_timer);
+ INIT_DELAYED_WORK_DEFERRABLE(&dbs_info->work, do_dbs_timer);
queue_delayed_work_on(dbs_info->cpu, kondemand_wq, &dbs_info->work,
delay);
}
diff -puN include/linux/workqueue.h~add-a-new-deferrable-delayed-work-init include/linux/workqueue.h
--- a/include/linux/workqueue.h~add-a-new-deferrable-delayed-work-init
+++ a/include/linux/workqueue.h
@@ -121,6 +121,12 @@ struct execute_work {
init_timer(&(_work)->timer); \
} while (0)
+#define INIT_DELAYED_WORK_DEFERRABLE(_work, _func) \
+ do { \
+ INIT_WORK(&(_work)->work, (_func)); \
+ init_timer_deferrable(&(_work)->timer); \
+ } while (0)
+
/**
* work_pending - Find out whether a work item is currently pending
* @work: The work item in question
_
Patches currently in -mm which might be from venkatesh.pallipadi@xxxxxxxxx are
git-acpi.patch
cpuidle-fix-boot-hang.patch
cpuidle-unsigned-bitfield.patch
add-support-for-deferrable-timers-respun.patch
add-support-for-deferrable-timers-respun-tidy.patch
add-support-for-deferrable-timers-respun-fix.patch
add-support-for-deferrable-timers-respun-fix-2.patch
add-a-new-deferrable-delayed-work-init.patch
workqueue-fix-freezeable-workqueues-implementation.patch
workqueue-fix-flush_workqueue-vs-cpu_dead-race.patch
workqueue-dont-clear-cwq-thread-until-it-exits.patch
workqueue-dont-migrate-pending-works-from-the-dead-cpu.patch
-
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