Re: [PATCH 1/3] firmware: allow firmware files to be built into
kernel image
[Posted May 28, 2008 by jake]
| 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
