linux-kernel - Re: [PATCH RFC 0/4] firmware: Add ZSTD-compressed file support

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Date:   Fri, 28 Jan 2022 09:13:36 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Hideki Yamane <henrich@...mio-mail.jp>,
        Takashi Iwai <tiwai@...e.de>,
        Luis Chamberlain <mcgrof@...nel.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 0/4] firmware: Add ZSTD-compressed file support

On Fri, 28 Jan 2022 07:54:22 +0100,
Greg Kroah-Hartman wrote:
> 
> On Fri, Jan 28, 2022 at 09:33:35AM +0900, Hideki Yamane wrote:
> > On Thu, 27 Jan 2022 19:41:18 +0100
> > Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> > > What is "this"?  You are responding to a year-old email message :)
> > 
> >  Oh, yes, sorry.
> > 
> >  What's the status for adding "ZSTD-compressed file support" for loading
> >  firmware feature config FW_LOADER_COMPRESS in drivers/base/firmware_loader/Kconfig
> >  has still XZ_DEC only, where should I check to know its progress?
> 
> If you need this feature, take the patches and rebase them to the latest
> kernel tree and submit them for inclusion.

Yes, it's a kind of chicken-and-egg problem, and we want that the
patches have actually users before merging to the mainline.

I rebased the patches to 5.17-rc1 with the adaption for the latest
ZSTD API and pushed to topic/fw-loader-zstd-5.17 branch of my
sound.git tree.  It's totally untested, and it'd be appreciated if
anyone can confirm that it's working and used.  Then we can happily
re-submit the patches for the merge.


thanks,

Takashi