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Re: [PATCH 4.2-rc5] workqueue: Make flush_workqueue() available again to non GPL modules

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  Re: [PATCH 4.2-rc5] workqueue: Make flush_workqueue() available  again to non GPL modules David Laight <David.Laight@ACULAB.COM> - 2015-08-05 12:00 +0200

#1200610 — Re: [PATCH 4.2-rc5] workqueue: Make flush_workqueue() available again to non GPL modules

> From:       Tejun Heo 
> Date:       2015-08-04 18:05:20
> On Tue, Aug 04, 2015 at 11:26:04AM -0600, tim.gardner@canonical.com wrote:
> > From: Tim Gardner <tim.gardner@canonical.com>
> >
> > Commit 37b1ef31a568fc02e53587620226e5f3c66454c8 ("workqueue: move
> > flush_scheduled_work() to workqueue.h") moved the exported non GPL
> > flush_scheduled_work() from a function to an inline wrapper.
> > Unfortunately, it directly calls flush_workqueue() which is a GPL function.
> > This has the effect of changing the licensing requirement for this function
> > and makes it unavailable to non GPL modules.
> >
> > See commit ad7b1f841f8a54c6d61ff181451f55b68175e15a ("workqueue: Make
> > schedule_work() available again to non GPL modules") for precedent.
> >
> > Cc: Tejun Heo <tj@kernel.org>
> > Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
>
> Applied to wq/for-4.3.

I hit this yesterday afternoon as well!

Can we get the fix into 4.2 itself ?

	David

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