linux-kernel - Re: udev breakages - was: Re: Need of an ".async_probe()" type of callback at driver's core - Was: Re: [PATCH] [media] drxk: change it to use request_firmware

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Message-ID: <20121004135832.GB15525@kroah.com>
Date:	Thu, 4 Oct 2012 06:58:32 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Josh Boyer <jwboyer@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andy Walls <awalls@...metrocast.net>,
	Al Viro <viro@...iv.linux.org.uk>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Ming Lei <ming.lei@...onical.com>, Kay Sievers <kay@...y.org>,
	Lennart Poettering <lennart@...ttering.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kay Sievers <kay@...hat.com>,
	Linux Media Mailing List <linux-media@...r.kernel.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Ivan Kalvachev <ikalvachev@...il.com>
Subject: Re: udev breakages - was: Re: Need of an ".async_probe()" type of
 callback at driver's core - Was: Re: [PATCH] [media] drxk: change it to use
 request_firmware_nowait()

On Thu, Oct 04, 2012 at 09:39:41AM -0400, Josh Boyer wrote:
> > That said, there's clearly enough variation here that I think that for
> > now I won't take the step to disable the udev part. I'll do the patch
> > to support "direct filesystem firmware loading" using the udev default
> > paths, and that hopefully fixes the particular case people see with
> > media modules.
> 
> As you probably noticed, we had a tester in the RH bug report success
> with the commit you included yesterday.
> 
> Do you think this is something worth including in the stable kernels
> after it gets some further testing during the merge window?  Perhaps
> not that specific commit as there seems to be some additional changes
> needed for configurable paths, etc, but a backport of the fleshed out
> changeset might be wanted.
> 
> We have a new enough udev in Fedora 17 to hit this issue with 3.5 and
> 3.6 when we rebase.  I'm sure other distributions will be in similar
> circumstances soon if they aren't already.  Udev isn't going to be
> fixed, so having something working in these cases would be great.

Yes, I don't have a problem taking this into the stable kernel releases
once it gets some testing and fleshed out.  I'll be watching it to see
how it goes.

thanks,

greg k-h
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