Messages in this thread | | | Date | Mon, 02 Dec 2013 15:35:00 +0100 | From | Takashi Iwai <> | Subject | Re: [PATCH v3 0/4] Add request_firmware_direct() for microcode loader |
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At Mon, 2 Dec 2013 06:32:45 -0800, Greg Kroah-Hartman wrote: > > On Mon, Dec 02, 2013 at 09:44:13AM +0100, Takashi Iwai wrote: > > At Sat, 16 Nov 2013 06:24:55 +0900, > > Greg Kroah-Hartman wrote: > > > > > > On Fri, Nov 15, 2013 at 04:34:09PM +0100, Takashi Iwai wrote: > > > > At Tue, 12 Nov 2013 13:02:12 +0100, > > > > Takashi Iwai wrote: > > > > > > > > > > Hi, > > > > > > > > > > this is a revised patch series to introduce request_firmware_direct() > > > > > helper for avoiding the lengthy udev issue on microcode loader. > > > > > The original problem was stated in Prarit's post: > > > > > https://lkml.org/lkml/2013/10/28/221 > > > > > > > > > > In short, microcode loader probes non-existing firmware files (which > > > > > are cases with every new chip), and each probe takes 60 seconds, > > > > > resulting in too long time until completed. > > > > > > > > > > This solution is simply avoiding the udev fallback in > > > > > request_firmware() explicitly for drivers like microcode. > > > > > > > > > > Of course, this doesn't mean to throw away further optimizations like > > > > > Prarit's patch. It can be implemented in parallel with this. > > > > > > > > > > > > > > > [PATCH v3 1/4] firmware: Introduce request_firmware_direct() > > > > > [PATCH v3 2/4] microcode: Use request_firmware_direct() > > > > > [PATCH v3 3/4] firmware: Use bit flags instead of boolean combos > > > > > [PATCH v3 4/4] firmware: Suppress fallback warnings when CONFIG_FW_LOADER_USER_HELPER=n > > > > > > > > > > v1->v2: Rebased on linux-next, add a fix for a bogus warning message > > > > > v2->v3: Convert to bit flags, fix warning message differently > > > > > > > > > > > > > > > Greg, could you take these patches through your driver tree, as > > > > > most of fixes are about the firmware loader itself. > > > > > > > > Greg, any chance to take a look at these patches? > > > > > > I'm traveling at the moment, in Korea this week. I'll take a look at > > > them after 3.13-rc1 is out, as I can't do anything with patches until > > > then. Don't worry, they aren't lost. > > > > They seem lost in Korea in the end :) > > No, not lost: > $ mdfrm -c ~/mail/todo/ > 2485 messages in /home/gregkh/mail/todo/ > > Just burried :(
Wow, impressive numbers...
> > Could you catch up if still OK? > > I'll get to them soon... > > > One of the patches seems slightly conflicting with the latest Linus > > tree. I can send a rebased one if needed, or you can take it from > > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-unstable.git test/fw-direct > > Yes please, an update would be good to have, can you just send this in > email form?
Alright, will do soon.
thanks,
Takashi
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