On Thu, Oct 22, 2020 at 1:47 PM Martin Kolman <mkolman@xxxxxxxxxx> wrote: > > On Tue, 2020-09-29 at 16:29 -0400, Ben Cotton 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@xxxxxxxxxxxxxxxxx| pbrobinson@xxxxxxxxxxxxxxxxx] > > > > == 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 wonder if this can also help make the boot isos and installation images smaller ? I'm sure they haver some firmware on > them. Or alternatively we could reduce the potentially quite meintenance intensive firmware culling we do at the moment. I wouldn't expect it to have too much of an image on the size of rpms in the installer as the rpms are already compressed, this is more about on disk install size. > > > > == Benefit to Fedora == > > > > Reduced on disk size of the firmware used by the kernel. > > > > == Scope == > > * Proposal owners: > > ** Add support upstream to the linux-firmware copy-firmware script to > > compess the firmware and create the symlinks to the compressed > > firmware > > ** Enable the upstream support in the Fedora linux-firmware package to > > compress the firmware at build time > > ** Enable compressing firmware in packages that contain firmware used > > by the kernel: eg alsa-sof-firmware, atmel-firmware, zd1211-firmware > > ** Enable the CONFIG_FW_LOADER_COMPRESS kernel option (long complete) > > * Other developers: > > ** No impact > > * Policies and guidelines: N/A (not a System Wide Change) > > * Trademark approval: N/A (not needed for this Change) > > > > == Upgrade/compatibility impact == > > > > There should be no upgrade impact, the support was added to the > > generic firmware loader interface in the kernel. > > > > == How To Test == > > > > Check devices that need firmware still work. Some devices that need > > firmware include: > > * GPU drivers such as nvidia, AMD and i915 > > * Wireless drivers such as those from Intel, Broadcom/Cyprus, TI, > > Qualcomm and Marvel > > * Wired network interfaces > > * Storage drivers > > * USB controllers and drivers > > > > == User Experience == > > > > Generally users should notice little to no difference. > > > > == Dependencies == > > N/A (not a System Wide Change) > > > > == Contingency Plan == > > > > * Contingency mechanism: Don't compress kernel firmware > > * Contingency deadline: GA > > * Blocks release? No. > > * Blocks product? No. > > > > == Documentation == > > N/A (not a System Wide Change) > > > > == Release Notes == > > N/A > > > > > > -- > > Ben Cotton > > He / Him / His > > Senior Program Manager, Fedora & CentOS Stream > > Red Hat > > TZ=America/Indiana/Indianapolis > > _______________________________________________ > > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx > > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > > List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx > _______________________________________________ > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx
