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Re: [PATCH 1/3] firmware: allow firmware files to be built into kernel image

From:  David Woodhouse <dwmw2-AT-infradead.org>
To:  Alan Cox <alan-AT-lxorguk.ukuu.org.uk>
Subject:  Re: [PATCH 1/3] firmware: allow firmware files to be built into kernel image
Date:  Fri, 23 May 2008 16:11:56 +0100
Message-ID:  <1211555516.28967.30.camel@pmac.infradead.org>
Cc:  linux-kernel-AT-vger.kernel.org, aoliva-AT-redhat.com, Abhay Salunke <Abhay_Salunke-AT-dell.com>, kay.sievers-AT-vrfy.org, Haroldo Gamal <gamal-AT-alternex.com.br>, Takashi Iwai <tiwai-AT-suse.de>
Archive-link:  Article

On Fri, 2008-05-23 at 15:56 +0100, Alan Cox wrote:
> > A third set of drivers already use the firmware loader, but can't be
> > used without help from userspace, which sometimes requires an initrd.
> > This allows them to work in a static kernel.
> 
> This makes a lot of sense to me - its small, clean and while I don't
> think its relevant to the PC world it has real clear advantages to the
> embedded space.
> 
> For the embedded case isn't either compressing the firmware or not doing
> the vmalloc/copy worth the effort however ?

For avoiding the vmalloc/copy see my earlier response.

Adding compression would be cute; I did think about that but figured it
could wait for later (actually I think at the time I meant "later" to be
today too, but then I forgot :)

-- 
dwmw2



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