Bug#955469: initramfs-tools-core: Enable zstandard support
On Sat, Aug 1, 2020 at 12:27 AM Norbert Lange <nolange79@gmail.com> wrote:
>
> Am Fr., 31. Juli 2020 um 16:48 Uhr schrieb Sedat Dilek <sedat.dilek@gmail.com>:
> >
> > Just FYI:
> >
> > Version 10 was now accepted in <tip.git#x86/boot>.
> >
> > Let's hope this will get into upcoming Linux v5.9.
> >
> > - Sedat -
> >
> > [1] https://github.com/terrelln/linux/commits/zstd-v10
> > [2] https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=x86/boot
>
> Thanks,
>
> I updated the patch, and made a merge request there:
> https://salsa.debian.org/kernel-team/initramfs-tools/-/merge_requests
>
Hi Norbert,
Thank you, too.
You mean [1]?
[ mkinitramfs ]
+zstd) compress="zstd -q -19 -T0" ;;
>From my kernel build-log:
{ cat arch/x86/boot/compressed/vmlinux.bin
arch/x86/boot/compressed/vmlinux.relocs | zstd -22 --ultra; printf
\014\015\315\001; } > arch/x86/boot/compressed/vmlinux.bin.zst
Thus I have analog here:
root# diff -uprN /usr/sbin/mkinitramfs.orig /usr/sbin/mkinitramfs
--- /usr/sbin/mkinitramfs.orig 2020-04-28 05:56:17.000000000 +0200
+++ /usr/sbin/mkinitramfs 2020-07-09 10:35:35.119280519 +0200
@@ -189,6 +189,7 @@ xz) compress="xz --check=crc32"
# If we're not doing a reproducible build, enable multithreading
test -z "${SOURCE_DATE_EPOCH}" && compress="$compress --threads=0"
;;
+zstd) compress="zstd -22 --ultra -v" ;;
bzip2|lzma|lzop)
# no parameters needed
;;
Regards,
- Sedat -
[1] https://salsa.debian.org/kernel-team/initramfs-tools/-/merge_requests/33/diffs?commit_id=e94f410c71e90598b4fabca3970c7f282b5bd0a0
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