Re: [PATCH v3 0/4] Add request_firmware_direct() for microcode loader

[Takashi Iwai]

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 :)
Could you catch up if still OK?

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


thanks,

Takashi
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