On Mon, Jun 10, 2019 at 07:30:31PM +0200, Takashi Iwai wrote:
> On Mon, 10 Jun 2019 19:21:30 +0200,
> Greg Kroah-Hartman wrote:
> >
> > On Mon, May 20, 2019 at 11:26:42AM +0200, Takashi Iwai wrote:
> > > Hi,
> > >
> > > this is a patch set to add the support for loading compressed firmware
> > > files.
> > >
> > > The primary motivation is to reduce the storage size; e.g. currently
> > > the amount of /lib/firmware on my machine counts up to 419MB, and this
> > > can be reduced to 130MB file compression. No bad deal.
> > >
> > > The feature adds only fallback to the compressed file, so it should
> > > work as it was as long as the normal firmware file is present. The
> > > f/w loader decompresses the content, so that there is no change needed
> > > in the caller side.
> > >
> > > Currently only XZ format is supported. A caveat is that the kernel XZ
> > > helper code supports only CRC32 (or none) integrity check type, so
> > > you'll have to compress the files via xz -C crc32 option.
> > >
> > > The patch set begins with a few other improvements and refactoring,
> > > followed by the compression support.
> > >
> > > In addition to this, dracut needs a small fix to deal with the *.xz
> > > files.
> > >
> > > Also, the latest patchset is found in topic/fw-decompress branch of my
> > > sound.git tree:
> > > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
> >
> > I've applied the first 3 patches to my tree, as they were sane and good
> > cleanups.
>
> Great, thanks!
>
> > I'll wait for a test-case and a resend of the second two before taking
> > them {hint} :)
>
> The patch for test_firmware was already sent, and it includes the test
> of the compressed firmware file. In anyway, I'm going to resubmit the
> rest tomorrow.
Ah, sorry, I seem to have missed that. A new series would be best,
thanks!
greg k-h
