On 06.09.23 17:08, Jules Maselbas wrote: > Both cmd_xzkern and cmd_xzmisc where already defined in the same file > > Signed-off-by: Jules Maselbas <jmaselbas@xxxxxxxx> Reviewed-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> > --- > scripts/Makefile.lib | 28 ---------------------------- > 1 file changed, 28 deletions(-) > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > index f04c09f9e2..6baa618f15 100644 > --- a/scripts/Makefile.lib > +++ b/scripts/Makefile.lib > @@ -470,34 +470,6 @@ cmd_lzo = (cat $(filter-out FORCE,$^) | \ > %.lzo: % > $(call if_changed,lzo) > > -# XZ > -# --------------------------------------------------------------------------- > -# Use xzkern to compress the kernel image and xzmisc to compress other things. > -# > -# xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage > -# of the kernel decompressor. A BCJ filter is used if it is available for > -# the target architecture. xzkern also appends uncompressed size of the data > -# using size_append. The .xz format has the size information available at > -# the end of the file too, but it's in more complex format and it's good to > -# avoid changing the part of the boot code that reads the uncompressed size. > -# Note that the bytes added by size_append will make the xz tool think that > -# the file is corrupt. This is expected. > -# > -# xzmisc doesn't use size_append, so it can be used to create normal .xz > -# files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very > -# big dictionary would increase the memory usage too much in the multi-call > -# decompression mode. A BCJ filter isn't used either. > -quiet_cmd_xzkern = XZKERN $@ > -cmd_xzkern = (cat $(filter-out FORCE,$^) | \ > - sh $(srctree)/scripts/xz_wrap.sh && \ > - $(call size_append, $(filter-out FORCE,$^))) > $@ || \ > - (rm -f $@ ; false) > - > -quiet_cmd_xzmisc = XZMISC $@ > -cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ > - xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ > - (rm -f $@ ; false) > - > # lz4 > # --------------------------------------------------------------------------- > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
