linux-kernel - Re: [PATCH] driver core : fix request_firmware

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Message-ID: <20090528201450.GA4043@kroah.com>
Date:	Thu, 28 May 2009 13:14:50 -0700
From:	Greg KH <greg@...ah.com>
To:	Ming Lei <tom.leiming@...il.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] driver core : fix request_firmware_nowait

On Fri, May 22, 2009 at 11:26:16PM +0800, Ming Lei wrote:
> 2009/5/22 Alan Cox <alan@...rguk.ukuu.org.uk>:
> > On Fri, 22 May 2009 23:06:27 +0800
> > tom.leiming@...il.com wrote:
> >
> >> From: Ming Lei <tom.leiming@...il.com>
> >>
> >> 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 :)

I say just fix the documentation.

thanks,

greg k-h
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