On Thu, Oct 22, 2020 at 7:53 AM Zbigniew Jędrzejewski-Szmek
<zbyszek(a)in.waw.pl> wrote:
On Tue, Sep 29, 2020 at 09:46:14PM +0100, Peter Robinson wrote:
> On Tue, Sep 29, 2020 at 9:41 PM Neal Gompa <ngompa13(a)gmail.com> wrote:
> >
> > On Tue, Sep 29, 2020 at 4:30 PM Ben Cotton <bcotton(a)redhat.com> wrote:
> > >
> > >
https://fedoraproject.org/wiki/Changes/CompressKernelFirmware
> > >
> > > == Summary ==
> > > Compress Kernel Firmwares to reduce on disk size
> > >
> > > == Owner ==
> > > * Name: [[User:pbrobinson| Peter Robinson]]
> > > * Email: [mailto:pbrobinson@fedoraproject.org|
pbrobinson(a)fedoraproject.org]
> > >
> > > == Detailed Description ==
> > >
> > > Since the linux 5.3 kernel there has been support for loading firmware
> > > from xz compressed firmware. The upstream linux-firmware respository
> > > is now over 900Mb, not including other kernel firmware that are in
> > > Fedora but come from other sources. By compessing the firmware with
> > > "xz -C crc32", the only option currently supported in the
kernel, we
> > > can reduce the ondisk size of the firmware by almost half.
> > >
> >
> > I vaguely recall that there was some effort to add zstd support to
> > compress kernel stuff. Could we consider using that for this instead
> > of xz? Or is that still only for kernel modules?
>
> ATM the only thing that's upstream is xz hence why that's the only
> thing mentioned.
zstd support has been merged for 5.9:
https://kernelnewbies.org/Linux_5.9#Support_for_ZSTD_compressed_kernel.2C....
Does this support also extend to firmware?