linux

History

Lasse Collin c6f371bab2 xz: remove XZ_EXTERN and extern from functions XZ_EXTERN was used to make internal functions static in the preboot code. However, in other decompressors this hasn't been done. On x86-64, this makes no difference to the kernel image size. Omit XZ_EXTERN and let some of the internal functions be extern in the preboot code. Omitting XZ_EXTERN from include/linux/xz.h fixes warnings in "make htmldocs" and makes the intradocument links to xz_dec functions work in Documentation/staging/xz.rst. The alternative would have been to add "XZ_EXTERN" to c_id_attributes in Documentation/conf.py but omitting XZ_EXTERN seemed cleaner. Link: https://lore.kernel.org/lkml/20240723205437.3c0664b0@kaneli/ Link: https://lkml.kernel.org/r/20240724110544.16430-1-lasse.collin@tukaani.org Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Tested-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Cc: Jonathan Corbet <corbet@lwn.net> Cc: Sam James <sam@gentoo.org> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Emil Renner Berthing <emil.renner.berthing@canonical.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Joel Stanley <joel@jms.id.au> Cc: Jubin Zhong <zhongjubin@huawei.com> Cc: Jules Maselbas <jmaselbas@zdiv.net> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Rui Li <me@lirui.org> Cc: Simon Glass <sjg@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>		2024-09-01 20:43:27 -07:00
..
dts	…
.gitignore	…
4xx.c	…
4xx.h	…
44x.h	…
Makefile	…
README	…
addnote.c	…
bamboo.c	…
cpm-serial.c	…
crt0.S	…
crtsavres.S	…
cuboot-8xx.c	…
cuboot-52xx.c	…
cuboot-83xx.c	…
cuboot-85xx-cpm2.c	…
cuboot-85xx.c	…
cuboot-824x.c	…
cuboot-amigaone.c	…
cuboot-bamboo.c	…
cuboot-ebony.c	…
cuboot-katmai.c	…
cuboot-pq2.c	…
cuboot-rainier.c	…
cuboot-sam440ep.c	…
cuboot-sequoia.c	…
cuboot-taishan.c	…
cuboot-warp.c	…
cuboot-yosemite.c	…
cuboot.c	…
cuboot.h	…
dcr.h	…
decompress.c	…
devtree.c	…
div64.S	…
ebony.c	…
elf.h	…
elf_util.c	…
ep88xc.c	…
ep8248e.c	…
epapr-wrapper.c	…
epapr.c	…
fixed-head.S	…
fixup-headers.sed	…
fsl-soc.c	…
fsl-soc.h	…
gamecube-head.S	…
gamecube.c	…
hack-coff.c	…
holly.c	…
install.sh	…
io.h	…
libfdt-wrapper.c	…
libfdt_env.h	…
main.c	…
microwatt.c	…
mktree.c	…
motload-head.S	…
mpc8xx.c	…
mpc8xx.h	…
mpc52xx-psc.c	…
mvme5100.c	…
mvme7100.c	…
ns16550.c	…
of.c	…
of.h	…
ofconsole.c	…
oflib.c	…
opal-calls.S	…
opal.c	…
ops.h	…
page.h	…
planetcore.c	…
planetcore.h	…
ppc_asm.h	…
ppcboot.h	…
pq2.c	…
pq2.h	…
ps3-head.S	…
ps3-hvcall.S	…
ps3.c	…
pseries-head.S	…
redboot-8xx.c	…
redboot-83xx.c	…
redboot.h	…
reg.h	…
rs6000.h	…
serial.c	…
simple_alloc.c	…
simpleboot.c	…
stdbool.h	…
stdint.h	…
stdio.c	…
stdio.h	…
stdlib.c	…
stdlib.h	…
string.S	…
string.h	…
swab.h	…
treeboot-akebono.c	…
treeboot-bamboo.c	…
treeboot-currituck.c	…
treeboot-ebony.c	…
treeboot-iss4xx.c	…
types.h	…
ugecon.c	…
ugecon.h	…
util.S	…
wii-head.S	…
wii.c	…
wrapper	…
xz_config.h	xz: remove XZ_EXTERN and extern from functions	2024-09-01 20:43:27 -07:00
zImage.coff.lds.S	…
zImage.lds.S	…
zImage.ps3.lds.S	…

README

To extract the kernel vmlinux, System.map, .config or initrd from the zImage binary:

objcopy -j .kernel:vmlinux -O binary zImage vmlinux.gz
objcopy -j .kernel:System.map -O binary zImage System.map.gz
objcopy -j .kernel:.config -O binary zImage config.gz
objcopy -j .kernel:initrd -O binary zImage.initrd initrd.gz


	Peter