Re: [PATCH] driver core : fix request_firmware_nowait
From: Greg KH
Date: Thu May 28 2009 - 21:47:31 EST
On Fri, May 29, 2009 at 09:24:32AM +0800, Ming Lei wrote:
> 2009/5/29 Greg KH <greg@xxxxxxxxx>:
> > On Fri, May 22, 2009 at 11:26:16PM +0800, Ming Lei wrote:
> >> 2009/5/22 Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>:
> >> > On Fri, 22 May 2009 23:06:27 +0800
> >> > tom.leiming@xxxxxxxxx wrote:
> >> >
> >> >> From: Ming Lei <tom.leiming@xxxxxxxxx>
> >> >>
> >> >> request_firmware_nowait declares it can be called in non-sleep contexts,
> >> >> but kthead_run which is called by request_firmware_nowait may sleep.
> >> >
> >> > Does anyone actually need to call it in a non-sleeping context or can the
> >> > documentation simply be fixed instead to avoid all the extra complexity ?
> >> >
> >> It seems no one calls it in a non-sleeping context now, but we can provide it
> >> without much extra complexity, IMHO. Also someone has complained it :
> >> http://marc.info/?t=124022846400003&r=1&w=2
> > That was 3 years ago :)
> No, just one month ago, also the name of *_nowait is very misleading and only
> documentation fix seems not enough, right?
> 2009-04-20 Am I allowed to call request_firmware_nowait from an
> linux-ker John Hughes
Oops, sorry, you are right, I read the date wrong.
Anyway, I suggest just fixing the documentation, it's easier :)
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