Re: request_firmware vs. resume (was Re: [PATCH] bnx2 - userequest_firmware())

[Theodore Tso]

On Wed, Jul 09, 2008 at 11:13:54PM +0200, Rafael J. Wysocki wrote:
> > Be careful about request_firmware. Doing it right w.r.t.
> > suspend/resume is quite tricky: you have to load it from userspace
> > before kernel starts, so that you can use it during resume...
> 
> Rather, you have to cache it in memory before your ->suspend() is invoked.

Translation: so much for saving "non-swappable kernel memory".
Unless, of course we add a pre-suspend hook.  (Which doesn't exist
yet, AFAICT from a quick perusal of Documentation/power/devices.txt.)


     	    	   	 	    - Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/