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2022-04-22objtool: Add CONFIG_OBJTOOLJosh Poimboeuf1-1/+1
Now that stack validation is an optional feature of objtool, add CONFIG_OBJTOOL and replace most usages of CONFIG_STACK_VALIDATION with it. CONFIG_STACK_VALIDATION can now be considered to be frame-pointer specific. CONFIG_UNWINDER_ORC is already inherently valid for live patching, so no need to "validate" it. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Link: https://lkml.kernel.org/r/939bf3d85604b2a126412bf11af6e3bd3b872bcb.1650300597.git.jpoimboe@redhat.com
2020-11-02builddeb: Fix rootless build in setuid/setgid directorySven Joachim1-0/+2
Building 5.10-rc1 in a setgid directory failed with the following error: dpkg-deb: error: control directory has bad permissions 2755 (must be >=0755 and <=0775) When building with fakeroot, the earlier chown call would have removed the setgid bits, but in a rootless build they remain. Fixes: 3e8541803624 ("builddeb: Enable rootless builds") Cc: Guillem Jover <guillem@hadrons.org> Signed-off-by: Sven Joachim <svenjoac@gmx.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-10-14kbuild: deb-pkg: do not build linux-headers package if CONFIG_MODULES=nMasahiro Yamada1-2/+4
Since commit 269a535ca931 ("modpost: generate vmlinux.symvers and reuse it for the second modpost"), with CONFIG_MODULES disabled, "make deb-pkg" (or "make bindeb-pkg") fails with: find: ‘Module.symvers’: No such file or directory If CONFIG_MODULES is disabled, it doesn't really make sense to build the linux-headers package. Fixes: 269a535ca931 ("modpost: generate vmlinux.symvers and reuse it for the second modpost") Reported-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-10-09builddeb: Enable rootless buildsGuillem Jover1-2/+7
This makes it possible to build the Debian packages without requiring (pseudo-)root privileges, when the build drivers support this mode of operation. See-Also: /usr/share/doc/dpkg/rootless-builds.txt.gz Signed-off-by: Guillem Jover <guillem@hadrons.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-10-09builddeb: Pass -n to gzip for reproducible packagesGuillem Jover1-1/+1
We should not be encoding the timestamp, otherwise we end up generating unreproducible files that cascade into unreproducible packages. Signed-off-by: Guillem Jover <guillem@hadrons.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-09-25kbuild: preprocess module linker scriptMasahiro Yamada1-1/+1
There was a request to preprocess the module linker script like we do for the vmlinux one. (https://lkml.org/lkml/2020/8/21/512) The difference between vmlinux.lds and module.lds is that the latter is needed for external module builds, thus must be cleaned up by 'make mrproper' instead of 'make clean'. Also, it must be created by 'make modules_prepare'. You cannot put it in arch/$(SRCARCH)/kernel/, which is cleaned up by 'make clean'. I moved arch/$(SRCARCH)/kernel/module.lds to arch/$(SRCARCH)/include/asm/module.lds.h, which is included from scripts/module.lds.S. scripts/module.lds is fine because 'make clean' keeps all the build artifacts under scripts/. You can add arch-specific sections in <asm/module.lds.h>. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Jessica Yu <jeyu@kernel.org> Acked-by: Will Deacon <will@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Jessica Yu <jeyu@kernel.org>
2020-01-29builddeb: split libc headers deployment out into a functionMasahiro Yamada1-14/+18
Deploy user-space headers (linux-libc-dev package) in a separate function for readability. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-29builddeb: split kernel headers deployment out into a functionMasahiro Yamada1-34/+42
Deploy kernel headers (linux-headers package) in a separate function for readability. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-29builddeb: remove redundant make for ARCH=umMasahiro Yamada1-2/+1
The kernel build has already been done before builddeb is invoked. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-29builddeb: avoid invoking sub-shells where possibleMasahiro Yamada1-13/+22
The commands surrounded by ( ... ) is run in a sub-shell, but you do not have to spawn a sub-shell for every single line. Use just one ( ... ) for creating debian/hdrsrcfiles. For tar, use -C option instead. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-29builddeb: remove redundant $objtree/Masahiro Yamada1-16/+16
This script works only when it is invoked in the $objtree, that is, it is already relying on $objtree is '.' Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-29builddeb: match temporary directory name to the package nameMasahiro Yamada1-4/+4
The temporary directory names, debian/hdrtmp (linux-headers package) vs debian/headertmp (linux-libc-dev package), are confusing. Matching the directory name to the package name is clearer, IMHO. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-29builddeb: remove unneeded files in hdrobjfiles for headers packageMasahiro Yamada1-2/+2
- We do not need tools/objtool/fixdep or tools/objtool/sync-check.sh for building external modules. Including tools/objtool/objtool is enough. - gcc-common.h is a check-in file. I do not see any point to search for it in objtree. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-22builddeb: allow selection of .deb compressorMichał Mirosław1-1/+1
Select deb compression using KDEB_COMPRESS make variable. This allows to use gzip compression for local or test builds, and that's way faster than now-default xz compression. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-01-14builddeb: make headers package thinnerMichał Mirosław1-2/+2
Remove a bunch of files not used during external module builds: - foreign architecture headers - subtree Makefiles - Kconfig files - perl scripts On amd64 system this looses a third of the resulting .deb size. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2019-07-17builddeb: generate multi-arch friendly linux-libc-dev packageCedric Hombourger1-0/+5
Debian-based distributions place libc header files in a machine specific directory (/usr/include/<libc-machine>) instead of /usr/include/asm to support installation of the linux-libc-dev package from multiple architectures. Move headers installed by "make headers_install" accordingly using Debian's tuple from dpkg-architecture (stored in debian/arch). Signed-off-by: Cedric Hombourger <Cedric_Hombourger@mentor.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-06-15kbuild: deb-pkg: do not run headers_checkMasahiro Yamada1-1/+1
It is absolutely fine to add extra sanity checks in package scripts, but it is not necessary to do so. This is already covered by the daily compile-testing (0day bot etc.) because headers_check is run as a part of the normal build process when CONFIG_HEADERS_CHECK=y. Replace it with the newly-added "make headers". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-03-14kbuild: pkg: grep include/config/auto.conf instead of $KCONFIG_CONFIGMasahiro Yamada1-1/+1
This will be a little more efficient since unset CONFIG options are stripped away from auto.conf, and we can hard-code the path to auto.conf since it is never overridden. include/config/kernel.release is generated before %pkg is run. So, it is guaranteed auto.conf is up-to-date. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-03-14kbuild: deb-pkg: introduce is_enabled and if_enabled_echo to builddebMasahiro Yamada1-13/+19
I think is_enabled() and if_enable_echo() in scripts/package/mkdebian are useful. builddeb also has many repetitive greps over the kernel config, so I borrowed the idea to clean it up. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-20kbuild: pkg: use -f $(srctree)/Makefile to recurse to top MakefileMasahiro Yamada1-5/+5
'$(MAKE) KBUILD_SRC=' changes the working directory back and forth between objtree and srctree. It is better to recurse to the top-level Makefile directly. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-11builddeb: Fix inclusion of dtbs in debian packageRob Herring1-2/+2
Commit 37c8a5fafa3b ("kbuild: consolidate Devicetree dtb build rules") moved the location of 'dtbs_install' target which caused dtbs to not be installed when building debian package with 'bindeb-pkg' target. Update the builddeb script to use the same logic that determines if there's a 'dtbs_install' target which is presence of the arch dts directory. Also, use CONFIG_OF_EARLY_FLATTREE instead of CONFIG_OF as that's a better indication of whether we are building dtbs. This commit will also have the side effect of installing dtbs on any arch that has dts files. Previously, it was dependent on whether the arch defined 'dtbs_install'. Fixes: 37c8a5fafa3b ("kbuild: consolidate Devicetree dtb build rules") Reported-by: Nuno Gonçalves <nunojpg@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-06kbuild: deb-pkg: fix bindeb-pkg breakage when O= is usedMasahiro Yamada1-1/+1
Ard Biesheuvel reports bindeb-pkg with O= option is broken in the following way: ... LD [M] sound/soc/rockchip/snd-soc-rk3399-gru-sound.ko LD [M] sound/soc/rockchip/snd-soc-rockchip-pcm.ko LD [M] sound/soc/rockchip/snd-soc-rockchip-rt5645.ko LD [M] sound/soc/rockchip/snd-soc-rockchip-spdif.ko LD [M] sound/soc/sh/rcar/snd-soc-rcar.ko fakeroot -u debian/rules binary make KERNELRELEASE=4.19.0-12677-g19beffaf7a99-dirty ARCH=arm64 KBUILD_SRC= intdeb-pkg /bin/bash /home/ard/linux/scripts/package/builddeb Makefile:600: include/config/auto.conf: No such file or directory *** *** Configuration file ".config" not found! *** *** Please run some configurator (e.g. "make oldconfig" or *** "make menuconfig" or "make xconfig"). *** make[12]: *** [syncconfig] Error 1 make[11]: *** [syncconfig] Error 2 make[10]: *** [include/config/auto.conf] Error 2 make[9]: *** [__sub-make] Error 2 ... Prior to commit 80463f1b7bf9 ("kbuild: add --include-dir flag only for out-of-tree build"), both srctree and objtree were added to --include-dir redundantly, and the wrong code '$MAKE image_name' was working by relying on that. Now, the potential issue that had previously been hidden just showed up. '$MAKE image_name' recurses to the generated $(objtree)/Makefile and ends up with running in srctree, which is incorrect. It should be invoked with '-f $srctree/Makefile' (or KBUILD_SRC=) to be executed in objtree. Fixes: 80463f1b7bf9 ("kbuild: add --include-dir flag only for out-of-tree build") Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2018-04-07kbuild: deb-pkg: split generating packaging and buildRiku Voipio1-220/+1
Move debian/ directory generation out of builddeb to a new script, mkdebian. The package build commands are kept in builddeb, which is now an internal command called from debian/rules. With these changes in place, we can now use dpkg-buildpackage from deb-pkg and bindeb-pkg removing need for handrolled source/changes generation. This patch is based on the criticism of the current state of builddeb discussed on: https://patchwork.kernel.org/patch/9656403/ Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-03-28builddeb: Fix header package regarding dtc source linksJan Kiszka1-1/+1
Since d5d332d3f7e8, a couple of links in scripts/dtc/include-prefixes are additionally required in order to build device trees with the header package. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-11-14builddeb: Pass the kernel:debarch substvar to dpkg-genchangesSven Joachim1-2/+2
At the end of "make bindeb-pkg" I noticed the following warning: dpkg-genchanges: warning: unknown substitution variable ${kernel:debarch} It turns out that since dpkg version 1.19.0 dpkg-genchanges honors substitution variables in the Description field, while earlier versions silently left them alone, see https://bugs.debian.org/856547. The result is an incomplete description of the linux-headers package in the generated .changes file. Fix it by passing the kernel:debarch substitution variable to dpkg-genchanges. Signed-off-by: Sven Joachim <svenjoac@gmx.de> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-09-21kbuild: deb-pkg: remove firmware package supportMasahiro Yamada1-21/+1
Commit 5620a0d1aacd ("firmware: delete in-kernel firmware") deleted in-kernel firmware support, including the firmware install command. So, the firmware package does not make sense any more. Remove it. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Riku Voipio <riku.voipio@linaro.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-10Merge tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuildLinus Torvalds1-13/+3
Pull misc Kbuild updates from Masahiro Yamada: - clean up builddeb script - use full path for KBUILD_IMAGE to fix rpm-pkg build - fix objdiff tool to ignore debug info * tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: builddeb: fix typo builddeb: Update a few outdated and hardcoded strings deb-pkg: Remove the KBUILD_IMAGE workaround unicore32: Use full path in KBUILD_IMAGE definition sh: Use full path in KBUILD_IMAGE definition arc: Use full path in KBUILD_IMAGE definition arm: Use full path in KBUILD_IMAGE definition arm64: Use full path in KBUILD_IMAGE definition scripts: objdiff: Ignore debug info when comparing
2017-04-25builddeb: fix typoAndrew Donnellan1-1/+1
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-04-25builddeb: Update a few outdated and hardcoded stringsRiku Voipio1-6/+1
The builddeb script has some hardcoded references to Linux version 2.6 which is ancient. Drop Provides as the virtual packages provided are not useful anymore. Leave the Provides for linux-kernel-headers, as someone might still be referring to it. While at it, updated copyright date and drop Standards-Version: since the package isn't Debian Standards compliant anyways. Cc: Timo Sigurdsson <public_timo.s@silentcreek.de> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-03-28Fix dead URLs to ftp.kernel.orgSeongJae Park1-2/+2
URLs to ftp.kernel.org are still exist though the service is closed [0]. This commit fixes the URLs to use www.kernel.org instead. [0] https://www.kernel.org/shutting-down-ftp-services.html Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2017-03-20deb-pkg: Remove the KBUILD_IMAGE workaroundMichal Marek1-6/+1
The arch Makefile are fixed to set KBUILD_IMAGE to the full patch, so the workaround is no longer needed. Signed-off-by: Michal Marek <mmarek@suse.com> Reviewed-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-11-25builddeb: fix cross-building to arm64 producing host-arch debsAdam Borowski1-1/+1
Both Debian and kernel archs are "arm64" but UTS_MACHINE and gcc say "aarch64". Recognizing just the latter should be enough but let's accept both in case something regresses again or an user sets UTS_MACHINE=arm64. Regressed in cfa88c7: arm64: Set UTS_MACHINE in the Makefile. Signed-off-by: Adam Borowski <kilobyte@angband.pl> Acked-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-08-16builddeb: Skip gcc-plugins when not configuredKees Cook1-1/+3
When attempting to build a Debian kernel package, the "scripts/gcc-plugins" directory does not exist in the output tree unless CONFIG_GCC_PLUGINS=y. To avoid errors when not defined, this wraps the failing "find" in a config test. Reported-by: Frank Paulsen <frobnic+lkml@gmail.com> Tested-by: Christian Kujau <lists@nerdbynature.de> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-08-02Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuildLinus Torvalds1-4/+7
Pull misc kbuild updates from Michal Marek: - coccicheck script improvements by Luis Rodriguez and Deepa Dinamani - new coccinelle patches by Yann Droneaud and Vaishali Thakkar - debian packaging fixes by Wilfried Klaebe, Henning Schild and Marcin Mielniczuk * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: Fix the Debian packaging script on systems with no codename builddeb: fix file permissions before packaging scripts/coccinelle: require coccinelle >= 1.0.4 on device_node_continue.cocci coccicheck: refer to Documentation/coccinelle.txt and wiki coccicheck: add support for requring a coccinelle version scripts: add Linux .cocciconfig for coccinelle coccicheck: replace --very-quiet with --quiet when debugging coccicheck: add support for DEBUG_FILE coccicheck: enable parmap support coccicheck: make SPFLAGS more useful coccicheck: move spatch binary check up builddeb: really include objtool binary in headers package coccinelle: catch krealloc() on devm_*() allocated memory coccinelle: recognize more devm_* memory allocation functions coccinelle: also catch kzfree() issues coccicheck: Allow for overriding spatch flags Coccinelle: noderef: Add new rules and correct the old rule
2016-07-26Fix the Debian packaging script on systems with no codenameMarcin Mielniczuk1-1/+2
When calling `make deb-pkg` on a system with no codename (for example Arch Linux), lsb_release sometimes outputs `n/a` as the codename. This breaks dpkg-parsechangelog, which can't process the changelog correctly. Signed-off-by: Marcin Mielniczuk <marmistrz.dev@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-07-26builddeb: fix file permissions before packagingHenning Schild1-0/+2
Builddep is not very explicit about file permissions. Actually the file permissions in the package are largely influenced by the umask of the user cloning the git and building the package. If that umask does not set go+r the resulting linux-headers package will prevent non-root users from building out-of-tree modules. And that is probably just one unexpected effect. Being a packaging/install tool builddep should make sure the file permissions are set correctly and not just derived from a value that is never checked. This patch sets ugo read permissions for all packaged files and derives the executable bit for directories and executables from the file-owner. Signed-off-by: Henning Schild <henning.schild@siemens.com> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-07-19builddeb: really include objtool binary in headers packageWilfried Klaebe1-3/+3
On May 4th, Bjørn Mork provided patch 697bbc7b8320 ("builddeb: include objtool binary in headers package"). However, that one only works if $srctree=$objtree, because the objtool binaries are not written to the srctree, but to the objtree. Signed-off-by: Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> Fixes: 697bbc7b8320 ("builddeb: include objtool binary in headers package") Signed-off-by: Michal Marek <mmarek@suse.com>
2016-06-07GCC plugin infrastructureEmese Revfy1-0/+1
This patch allows to build the whole kernel with GCC plugins. It was ported from grsecurity/PaX. The infrastructure supports building out-of-tree modules and building in a separate directory. Cross-compilation is supported too. Currently the x86, arm, arm64 and uml architectures enable plugins. The directory of the gcc plugins is scripts/gcc-plugins. You can use a file or a directory there. The plugins compile with these options: * -fno-rtti: gcc is compiled with this option so the plugins must use it too * -fno-exceptions: this is inherited from gcc too * -fasynchronous-unwind-tables: this is inherited from gcc too * -ggdb: it is useful for debugging a plugin (better backtrace on internal errors) * -Wno-narrowing: to suppress warnings from gcc headers (ipa-utils.h) * -Wno-unused-variable: to suppress warnings from gcc headers (gcc_version variable, plugin-version.h) The infrastructure introduces a new Makefile target called gcc-plugins. It supports all gcc versions from 4.5 to 6.0. The scripts/gcc-plugin.sh script chooses the proper host compiler (gcc-4.7 can be built by either gcc or g++). This script also checks the availability of the included headers in scripts/gcc-plugins/gcc-common.h. The gcc-common.h header contains frequently included headers for GCC plugins and it has a compatibility layer for the supported gcc versions. The gcc-generate-*-pass.h headers automatically generate the registration structures for GIMPLE, SIMPLE_IPA, IPA and RTL passes. Note that 'make clean' keeps the *.so files (only the distclean or mrproper targets clean all) because they are needed for out-of-tree modules. Based on work created by the PaX Team. Signed-off-by: Emese Revfy <re.emese@gmail.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-05-10builddeb: fix missing headers in linux-headers packageAzriel Samson1-1/+1
The kernel headers package (linux-headers) doesn't include header files from other architectures required to build out-of-tree modules. For e.g. on ARM64, opcodes.h includes the same file from ARM which causes the following error: ./arch/arm64/include/asm/opcodes.h:1:43: fatal error: ../../arm/include/asm/opcodes.h: No such file or directory compilation terminated. Signed-off-by: Azriel Samson <asamson@codeaurora.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-05-10builddeb: include objtool binary in headers packageBjørn Mork1-0/+3
"objtool" is required for building external m dules if "Compile-time stack metadata validation" is enabled. Otherwise all builds based on the headers package fail with: make[1]: Entering directory '/usr/src/linux-headers-4.6.0-rc6' make[2]: *** No rule to make target 'tools/objtool/objtool', needed by 'foo.o'. Stop. Makefile:1598: recipe for target 'foo.ko' failed make[1]: *** [foo.ko] Error 2 make[1]: Leaving directory '/usr/src/linux-headers-4.6.0-rc6' Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-11-10Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuildLinus Torvalds1-1/+10
Pull misc kbuild updates from Michal Marek: "This is the non-critical part of kbuild: - several coccinelle updates - make deb-pkg creates an armhf package if CONFIG_VFP=y - make tags understands some more powerpc macros" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: coccinelle: Improve checking for missing NULL terminators coccinelle: ifnullfree: handle various destroy functions coccinelle: ifnullfree: various cleanups cocinelle: iterators: semantic patch to delete unneeded of_node_put deb-pkg: Add automatic support for armhf architecture scripts/coccinelle: fix typos coccinelle: misc: remove "complex return code" warnings Coccinelle: fix incorrect -include option transformation coccinelle: tests: improve odd_ptr_err.cocci coccinelle: misc: move constants to the right scripts/tags.sh: Teach tags about some powerpc macros
2015-10-26deb-pkg: Add automatic support for armhf architectureBen Hutchings1-1/+10
The Debian armhf architecture uses the ARM EABI hard-float variant, whereas armel uses the soft-float variant. Although the kernel doesn't use FP itself, CONFIG_VFP must be enabled to support hard-float userland and will probably be disabled when supporting a soft-float userland. So set the architecture to armhf by default when CONFIG_AEABI and CONFIG_VFP are both enabled. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Ian Campbell <ijc@hellion.org.uk> Acked-by: Fathi Boudra <fathi.boudra@linaro.org> Reviewed-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-16builddeb: remove debian/files before buildRiku Voipio1-2/+2
Commit 3716001bcb7f ("deb-pkg: add source package") added the ability to create a debian changelog file. This exposed that previously the builddeb script hasn't cleared debian/files between builds. As debian/files keeps accumulating entries, the changes file will end up growing indefinelty. With outdated entries in debian/files, builddeb script will exit with failure. This regression impacts those who use "make deb-pkg" target to build kernel into a .deb package and never use "make mrproper" or other means to clean kernel tree from generated directories. To fix the regression, remove debian/files before starting build and in the generated clean rule. Fixes: 3716001bcb7f ("deb-pkg: add source package") Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Reported-by: Doug Smythies <dsmythies@telus.net> Tested-by: Doug Smythies <dsmythies@telus.net> Tested-by: Kalle Valo <kvalo@codeaurora.org> Acked-by: Ben Hutchings <ben@decadent.org.uk> Cc: Michal Marek <mmarek@suse.cz> Cc: maximilian attems <maks@stro.at> Cc: Chris J Arges <chris.j.arges@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-04deb-pkg: add source packageRiku Voipio1-2/+36
Make deb-pkg build both source and binary package like make rpm-pkg does. For people who only need binary kernel package, there is now bindeb-pkg target, same target also used to build the .deb files if built from the source package using dpkg-buildpackage. Generated source package will build the same kernel .config than what was available for make deb-pkg. The name of the source package can be set with KDEB_SOURCENAME enviroment variable. The source package is useful for GPL compliance, or for feeding to a automated debian package builder. Cc: Chris J Arges <chris.j.arges@canonical.com> Reviewed-by: maximilian attems <maks@stro.at> Reviewed-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-08-19fallback to hostname in scripts/package/builddebChristian Kujau1-1/+1
I happened to build a kernel with "make deb-pkg" on a machine with no network connectivity, but this failed with: [...] INSTALL debian/headertmp/usr/include/asm/ (65 files) hostname: Name or service not known ../scripts/package/Makefile:90: recipe for target 'deb-pkg' failed make[2]: *** [deb-pkg] Error 1 In scripts/package/builddeb it tries to construct an email address (that can be queried in /proc/version later on) but with no network, the "hostname -f" fails. The following patch falls back to just use the shortname if we cannot determine our FQDN. Signed-off-by: Christian Kujau <lists@nerdbynature.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-08-19deb-pkg: simplify directory creationRiku Voipio1-14/+5
Every package needs /usr/share/doc/$package_name and DEBIAN directory, so create them as part of create_package function. Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-05-20deb-pkg: Add device tree blobs to the packageArnaud Patard (Rtp)1-0/+7
When building a package with make deb-pkg (say, for arm), the dtb files are not added to the package. Given that things are still evolving on arm, it make sense to have them along with the kernel and modules. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Reviewed-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: maximilian attems <max@stro.at> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-06builddeb: fix stripped module signatures if CONFIG_DEBUG_INFO and CONFIG_MODULE_SIG_ALL are setAndrey Skvortsov1-0/+6
If CONFIG_MODULE_SIG_ALL is set, then user expects that all modules are automatically signed in the result package, as it's for rpm-pkg, binrpm-pkg, tar, tar-*. For deb-pkg this is correct only if CONFIG_DEBUG_INFO is NOT set. In that case deb-package contains signed modules. But if CONFIG_DEBUG_INFO is set, builddeb creates separate package with debug information. To do that, debug information from all modules is copied into separate files by objcopy. And loadable kernel modules are stripped afterwards. Stripping removes previously (during modules_install) added signatures from loadable kernel modules. Therefore final deb-package contains unsigned modules despite of set option CONFIG_MODULE_SIG_ALL. This patch resigns all stripped modules if CONFIG_MODULE_SIG_ALL is set to solve this problem. Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com> Acked-by: maximilian attems <max@stro.at> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-04-27deb-pkg: move setting debarch for a separate functionRiku Voipio1-7/+11
create_package() function tries to resolve used architecture for everry package. Split the setting the architecture to a new function, set_debarch(), called once on startup. This allows using debarch from other parts of script as needed. v2: Follow Michals suggestion on setting variables at top scope and also setting the fallback $debarch in the new function Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-01-06builddeb: Try to determine distributionSedat Dilek1-1/+12
lsb_release command is a good choice to determine the distribution name for the changelog file in the generated Debian packages [1]. Its installation is no precondition. In Debian it is still not essential or build-essential. Ben gave some helpful informations and detailed explanations in [2]. There he also suggested to have an option to explicitly set the distribution name (see $KDEB_CHANGELOG_DIST variable). Embedded the improvement as suggested by Thorsten (see [3]): "This is suboptimal: if KDEB_CHANGELOG_DIST is defined, lsb_release is not necessary. The following snippet also omits using its output if it fails but still produces any:" Dealing with this issue I learned about "The Colon in the Shell." and possible pitfalls in this area (see [4,5]). Furthermore, refreshed my knowledge about redirecting outputs with the echo command (see [5]). Special thanks to Thorsten, I enjoyed the IRC session with you. Cooked together the snippets of Ben and Thorsten (see [2,3]). Tested against Linux v3.19-rc2. Thanks goes to Alexander, Ben, maximilian and Thorsten for the very vital help. [1] https://lkml.org/lkml/2012/4/23/516 [2] http://marc.info/?l=linux-kbuild&m=142022188322321&w=2 [3] http://marc.info/?l=linux-kbuild&m=142023476825460&w=2 [4] http://blog.brlink.eu/index.html#i70 [5] https://www.mirbsd.org/permalinks/wlog-10_e20141209-tg.htm [6] http://stackoverflow.com/questions/23489934/echo-2-some-text-what-does-it-mean-in-shell-scripting CC: Alexander Wirt <formorer@debian.org> Suggested-by: Ben Hutchings <ben@decadent.org.uk> Suggested-by: Thorsten Glaser <tg@mirbsd.org> Reviewed-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: maximilian attems <max@stro.at> [ dileks: Reviewed his suggested diff in RFC v4 ] Reviewed-by: Thorsten Glaser <tg@debian.org> Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
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