[PATCH] export the queue_work wrappers GPL-only
- From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
- Date: Tue, 29 Aug 2006 15:37:18 -0400 (EDT)
This patch (as777) fixes an oversight in a couple of earlier patches. Now
the wrapper routines:
queue_work(), queue_delayed_work(), queue_delayed_work_on(),
schedule_work(), schedule_delayed_work(), and
schedule_delayed_work_on()
are exported GPL-only, just as the originals used to be.
Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
On Tue, 29 Aug 2006, Jonathan Corbet wrote:
One little thing I just noticed. The old queue_work() functions were
exported GPL-only. And the new ones are too:
-EXPORT_SYMBOL_GPL(queue_work);
+EXPORT_SYMBOL_GPL(add_work_to_q);
But the new wrappers are not:
+EXPORT_SYMBOL(queue_work);
They should probably be exported in the same mode as before.
You're right... I don't know how I managed to miss that.
Also, should there be an entry added to
Documentation/feature-removal-schedule.txt?
It's a question of whether anyone feels the need to remove the legacy
routines.
Andrew, if you think that after (say) a year's time those WARN_ON()s no
longer serve any useful purpose, I could do a big search-and-replace to
get rid of those old functions entirely. I assume there's no problem with
accepting patches that change hundreds of files.
Alan Stern
Index: mm/kernel/workqueue.c
===================================================================
--- mm.orig/kernel/workqueue.c
+++ mm/kernel/workqueue.c
@@ -501,7 +501,7 @@ void fastcall queue_work(struct workqueu
rc = add_work_to_q(wq, work);
WARN_ON(rc < 0);
}
-EXPORT_SYMBOL(queue_work);
+EXPORT_SYMBOL_GPL(queue_work);
void fastcall queue_delayed_work(struct workqueue_struct *wq,
struct work_struct *work, unsigned long delay)
@@ -511,7 +511,7 @@ void fastcall queue_delayed_work(struct
rc = add_delayed_work_to_q(wq, work, delay);
WARN_ON(rc < 0);
}
-EXPORT_SYMBOL(queue_delayed_work);
+EXPORT_SYMBOL_GPL(queue_delayed_work);
void queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
struct work_struct *work, unsigned long delay)
@@ -521,7 +521,7 @@ void queue_delayed_work_on(int cpu, stru
rc = add_delayed_work_to_q_on(cpu, wq, work, delay);
WARN_ON(rc < 0);
}
-EXPORT_SYMBOL(queue_delayed_work_on);
+EXPORT_SYMBOL_GPL(queue_delayed_work_on);
void fastcall schedule_work(struct work_struct *work)
{
@@ -530,7 +530,7 @@ void fastcall schedule_work(struct work_
rc = add_work_to_q(keventd_wq, work);
WARN_ON(rc < 0);
}
-EXPORT_SYMBOL(schedule_work);
+EXPORT_SYMBOL_GPL(schedule_work);
void fastcall schedule_delayed_work(struct work_struct *work,
unsigned long delay)
@@ -540,7 +540,7 @@ void fastcall schedule_delayed_work(stru
rc = add_delayed_work_to_q(keventd_wq, work, delay);
WARN_ON(rc < 0);
}
-EXPORT_SYMBOL(schedule_delayed_work);
+EXPORT_SYMBOL_GPL(schedule_delayed_work);
void schedule_delayed_work_on(int cpu, struct work_struct *work,
unsigned long delay)
@@ -550,7 +550,7 @@ void schedule_delayed_work_on(int cpu, s
rc = add_delayed_work_to_q_on(cpu, keventd_wq, work, delay);
WARN_ON(rc < 0);
}
-EXPORT_SYMBOL(schedule_delayed_work_on);
+EXPORT_SYMBOL_GPL(schedule_delayed_work_on);
/**
* schedule_on_each_cpu - call a function on each online CPU from keventd
-
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