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xz: Enable BCJ filters on SPARC and 32-bit x86 

The BCJ filters were meant to be enabled already on these
archs, but the xz_wrap.sh script was buggy. Enabling the
filters should give smaller kernel images.

xz_wrap.sh will now use $SRCARCH instead of $ARCH to detect
the architecture. That way it doesn't need to care about the
subarchs (like i386 vs. x86_64) since the BCJ filters don't
care either.

Signed-off-by: Lasse Collin <lasse.collin@tukaani.org>
Acked-by: Jan Beulich <jbeulich@suse.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Lasse Collin 2012-04-18 19:55:44 +03:00 committed by Linus Torvalds
parent 40df43a17f
commit 0db7bd8ca0
1 changed files with 2 additions and 2 deletions
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4
scripts/xz_wrap.sh
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@ -12,8 +12,8 @@
BCJ=
LZMA2OPTS=
case $ARCH in
x86|x86_64) BCJ=--x86 ;;
case $SRCARCH in
x86) BCJ=--x86 ;;
powerpc) BCJ=--powerpc ;;
ia64) BCJ=--ia64; LZMA2OPTS=pb=4 ;;
arm) BCJ=--arm ;;