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* Linux 4.17v4.17Linus Torvalds2018-06-031-1/+1
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* Linux 4.17-rc7v4.17-rc7Linus Torvalds2018-05-271-1/+1
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* Merge tag 'kbuild-fixes-v4.17-2' of ↵Linus Torvalds2018-05-271-3/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild fixes from Masahiro Yamada: - enable '-fno-tree-loop-im' only when supported - add '-fno-PIE' option before the asm-goto test * tag 'kbuild-fixes-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: Makefile: disable PIE before testing asm goto kbuild: gcov: enable -fno-tree-loop-im if supported
| * Makefile: disable PIE before testing asm gotoMichal Kubecek2018-05-171-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit e501ce957a78 ("x86: Force asm-goto"), aarch64 build on distributions which enable PIE by default (e.g. openSUSE Tumbleweed) does not detect support for asm goto correctly. The problem is that ARM specific part of scripts/gcc-goto.sh fails with PIE even with recent gcc versions. Moving the asm goto detection up in Makefile put it before the place where we disable PIE. As a result, kernel is built without jump label support. Move the lines disabling PIE before the asm goto test to make it work. Fixes: e501ce957a78 ("x86: Force asm-goto") Reported-by: Andreas Faerber <afaerber@suse.com> Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: gcov: enable -fno-tree-loop-im if supportedNick Desaulniers2018-05-171-1/+3
| | | | | | | | | | | | | | | | Clang does not recognize this compiler option. Reported-by: Prasad Sodagudi <psodagud@codeaurora.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | Linux 4.17-rc6v4.17-rc6Linus Torvalds2018-05-211-1/+1
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* | Linux 4.17-rc5v4.17-rc5Linus Torvalds2018-05-141-1/+1
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* Linux 4.17-rc4v4.17-rc4Linus Torvalds2018-05-071-2/+2
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* Linux v4.17-rc3v4.17-rc3Linus Torvalds2018-04-291-1/+1
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* Linux 4.17-rc2v4.17-rc2Linus Torvalds2018-04-231-1/+1
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* Linux 4.17-rc1v4.17-rc1Linus Torvalds2018-04-161-2/+2
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* kbuild: use -fmacro-prefix-map to make __FILE__ a relative pathMasahiro Yamada2018-04-071-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | The __FILE__ macro is used everywhere in the kernel to locate the file printing the log message, such as WARN_ON(), etc. If the kernel is built out of tree, this can be a long absolute path, like this: WARNING: CPU: 1 PID: 1 at /path/to/build/directory/arch/arm64/kernel/foo.c:... This is because Kbuild runs in the objtree instead of the srctree, then __FILE__ is expanded to a file path prefixed with $(srctree)/. Commit 9da0763bdd82 ("kbuild: Use relative path when building in a subdir of the source tree") improved this to some extent; $(srctree) becomes ".." if the objtree is a child of the srctree. For other cases of out-of-tree build, __FILE__ is still the absolute path. It also means the kernel image depends on where it was built. A brand-new option from GCC, -fmacro-prefix-map, solves this problem. If your compiler supports it, __FILE__ is the relative path from the srctree regardless of O= option. This provides more readable log and more reproducible builds. Please note __FILE__ is always an absolute path for external modules. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: rename *-asn1.[ch] to *.asn1.[ch]Masahiro Yamada2018-04-071-1/+1
| | | | | | | | | | | | | | | | | Our convention is to distinguish file types by suffixes with a period as a separator. *-asn1.[ch] is a different pattern from other generated sources such as *.lex.c, *.tab.[ch], *.dtb.S, etc. More confusing, files with '-asn1.[ch]' are generated files, but '_asn1.[ch]' are checked-in files: net/netfilter/nf_conntrack_h323_asn1.c include/linux/netfilter/nf_conntrack_h323_asn1.h include/linux/sunrpc/gss_asn1.h Rename generated files to *.asn1.[ch] for consistency. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: clean up *-asn1.[ch] patterns from top-level MakefileMasahiro Yamada2018-04-071-0/+1
| | | | | | | Clean up these patterns from the top Makefile to omit 'clean-files' in each Makefile. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* kbuild: clean up *.lex.c and *.tab.[ch] patterns from top-level MakefileMasahiro Yamada2018-04-071-0/+1
| | | | | | | | | | | | | Files suffixed by .lex.c, .tab.[ch] are generated lexers, parsers, respectively. Clean them up globally from the top Makefile. Some of the final host programs those lexer/parser are linked into are necessary for building external modules, but the intermediates are unneeded. They can be cleaned away by 'make clean' instead of 'make mrproper'. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Frank Rowand <frowand.list@gmail.com>
* Merge tag 'kconfig-v4.17' of ↵Linus Torvalds2018-04-041-2/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kconfig updates from Masahiro Yamada: - improve checkpatch for more precise Kconfig code checking - clarify effective selects by grouping reverse dependencies in help - do not write out '# CONFIG_FOO is not set' from invisible symbols - make oldconfig as silent as it should be - rename 'silentoldconfig' to 'syncconfig' - add unit-test framework and several test cases - warn unmet dependency of tristate symbols - make unmet dependency warnings readable, removing false positives - improve recursive include detection - use yylineno to simplify the line number tracking - misc cleanups * tag 'kconfig-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits) kconfig: use yylineno option instead of manual lineno increments kconfig: detect recursive inclusion earlier kconfig: remove duplicated file name and lineno of recursive inclusion kconfig: do not include both curses.h and ncurses.h for nconfig kconfig: make unmet dependency warnings readable kconfig: warn unmet direct dependency of tristate symbols selected by y kconfig: tests: test if recursive inclusion is detected kconfig: tests: test if recursive dependencies are detected kconfig: tests: test randconfig for choice in choice kconfig: tests: test defconfig when two choices interact kconfig: tests: check visibility of tristate choice values in y choice kconfig: tests: check unneeded "is not set" with unmet dependency kconfig: tests: test if new symbols in choice are asked kconfig: tests: test automatic submenu creation kconfig: tests: add basic choice tests kconfig: tests: add framework for Kconfig unit testing kbuild: add PYTHON2 and PYTHON3 variables kconfig: remove redundant streamline_config.pl prerequisite kconfig: rename silentoldconfig to syncconfig kconfig: invoke oldconfig instead of silentoldconfig from local*config ...
| * kbuild: add PYTHON2 and PYTHON3 variablesMasahiro Yamada2018-03-251-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable 'PYTHON' allows users to specify a proper executable name in case the default 'python' does not work. However, this does not address the case where both Python 2.x and 3.x scripts are used in one source tree. PEP 394 (https://www.python.org/dev/peps/pep-0394/) provides a convention for Python scripts portability. Here is a quotation: In order to tolerate differences across platforms, all new code that needs to invoke the Python interpreter should not specify 'python', but rather should specify either 'python2' or 'python3'. This distinction should be made in shebangs, when invoking from a shell script, when invoking via the system() call, or when invoking in any other context. One exception to this is scripts that are deliberately written to be source compatible with both Python 2.x and 3.x. Such scripts may continue to use python on their shebang line without affecting their portability. To meet this requirement, this commit adds new variables 'PYTHON2' and 'PYTHON3'. arch/ia64/scripts/unwcheck.py is the only script that has ever used $(PYTHON). Recent commit bd5edbe67794 ("ia64: convert unwcheck.py to python3") converted it to be compatible with both Python 2.x and 3.x, so this is the exceptional case where the use of 'python' is allowed. So, I did not touch arch/ia64/Makefile. tools/perf/Makefile.config sets PYTHON and PYTHON2 by itself, so it is not affected by this commit. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kconfig: rename silentoldconfig to syncconfigMasahiro Yamada2018-03-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As commit cedd55d49dee ("kconfig: Remove silentoldconfig from help and docs; fix kconfig/conf's help") mentioned, 'silentoldconfig' is a historical misnomer. That commit removed it from help and docs since it is an internal interface. If so, it should be allowed to rename it to something more intuitive. 'syncconfig' is the one I came up with because it updates the .config if necessary, then synchronize include/generated/autoconf.h and include/config/* with it. You should not manually invoke 'silentoldcofig'. Display warning if used in case existing scripts are doing wrong. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Ulf Magnusson <ulfalizer@gmail.com>
* | Merge tag 'kbuild-v4.17' of ↵Linus Torvalds2018-04-041-40/+49
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - add a shell script to get Clang version - improve portability of build scripts - drop always-enabled CONFIG_THIN_ARCHIVE and remove unused code - rename built-in.o which is now thin archive to built-in.a - process clean/build targets one by one to get along with -j option - simplify ld-option - improve building with CONFIG_TRIM_UNUSED_KSYMS - define KBUILD_MODNAME even for objects shared among multiple modules - avoid linking multiple instances of same objects from composite objects - move <linux/compiler_types.h> to c_flags to include it only for C files - clean-up various Makefiles * tag 'kbuild-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (29 commits) kbuild: get <linux/compiler_types.h> out of <linux/kconfig.h> kbuild: clean up link rule of composite modules kbuild: clean up archive rule of built-in.a kbuild: remove partial section mismatch detection for built-in.a net: liquidio: clean up Makefile for simpler composite object handling lib: zstd: clean up Makefile for simpler composite object handling kbuild: link $(real-obj-y) instead of $(obj-y) into built-in.a kbuild: rename real-objs-y/m to real-obj-y/m kbuild: move modname and modname-multi close to modname_flags kbuild: simplify modname calculation kbuild: fix modname for composite modules kbuild: define KBUILD_MODNAME even if multiple modules share objects kbuild: remove unnecessary $(subst $(obj)/, , ...) in modname-multi kbuild: Use ls(1) instead of stat(1) to obtain file size kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMS kbuild: move include/config/ksym/* to include/ksym/* kbuild: move CONFIG_TRIM_UNUSED_KSYMS code unneeded for external module kbuild: restore autoksyms.h touch to the top Makefile kbuild: move 'scripts' target below kbuild: remove wrong 'touch' in adjust_autoksyms.sh ...
| * | kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMSMasahiro Yamada2018-03-251-12/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If CONFIG_TRIM_UNUSED_KSYMS is enabled and the kernel is built from a pristine state, the vmlinux is linked twice. [1] A user runs 'make' [2] First build with empty autoksyms.h [3] adjust_autoksyms.sh updates autoksyms.h and recurses 'make vmlinux' --------(begin sub-make)-------- [4] Second build with new autoksyms.h [5] link-vmlinux.sh is invoked because vmlinux is missing ---------(end sub-make)--------- [6] link-vmlinux.sh is invoked again despite vmlinux is up-to-date. The reason of [6] is probably because Make already decided to update vmlinux at the time of [2] because vmlinux was missing when Make built up the dependency graph. Because if_changed is implemented based on $?, this issue can be narrowed down to how Make handles $?. You can test it with the following simple code: [Test Makefile] A: B @echo newer prerequisite: $? cp B A B: C cp C B touch A [Result] $ rm -f A B $ touch C $ make cp C B touch A newer prerequisite: B cp B A Here, 'A' has been touched in the recipe of 'B'. So, the dependency 'A: B' has already been met before the recipe of 'A' is executed. However, Make does not notice the fact that the recipe of 'B' also updates 'A' as a side-effect. The situation is similar in this case; the vmlinux has actually been updated in the vmlinux_prereq target. Make cannot predict this, so judges the vmlinux is old. link-vmlinux.sh is costly, so it is better to not run it when unneeded. Split CONFIG_TRIM_UNUSED_KSYMS recursion to a dedicated target. The reason of commit 2441e78b1919 ("kbuild: better abstract vmlinux sequential prerequisites") was to cater to CONFIG_BUILD_DOCSRC, but it was later removed by commit 184892925118 ("samples: move blackfin gptimers-example from Documentation"). Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Nicolas Pitre <nico@linaro.org>
| * | kbuild: move include/config/ksym/* to include/ksym/*Masahiro Yamada2018-03-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idea of using fixdep was inspired by Kconfig, but autoksyms belongs to a different group. So, I want to move those touched files under include/config/ksym/ to include/ksym/. The directory include/ksym/ can be removed by 'make clean' because it is meaningless for the external module building. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Nicolas Pitre <nico@linaro.org>
| * | kbuild: move CONFIG_TRIM_UNUSED_KSYMS code unneeded for external moduleMasahiro Yamada2018-03-251-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The external module building does not need to parse this code because KBUILD_MODULES is always set anyway. Move this code inside the "ifeq ($(KBUILD_EXTMOD),) ... endif" block. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Nicolas Pitre <nico@linaro.org>
| * | kbuild: restore autoksyms.h touch to the top MakefileMasahiro Yamada2018-03-251-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit d3fc425e819b ("kbuild: make sure autoksyms.h exists early") moved the code that touches autoksyms.h to scripts/kconfig/Makefile with obscure reason. From Nicolas' comment [1], he did not seem to be sure about the root cause. I guess I figured it out, so here is a fix-up I think is more correct. According to the error log in the original post [2], the build failed in scripts/mod/devicetable-offsets.c scripts/mod/Makefile is descended from scripts/Makefile, which is invoked from the top-level Makefile by the 'scripts' target. To build vmlinux and/or modules, Kbuild descend into $(vmlinux-dirs). This depends on 'prepare' and 'scripts' as follows: $(vmlinux-dirs): prepare scripts Because there is no dependency between 'prepare' and 'scripts', the parallel building can execute them simultaneously. 'prepare' depends on 'prepare1', which touched autoksyms.h, while 'scripts' descends into script/, then scripts/mod/, which needs <generated/autoksyms.h> if CONFIG_TRIM_UNUSED_KSYMS. It was the reason of the race. I am not happy to have unrelated code in the Kconfig Makefile, so getting it back to the top Makefile. I removed the standalone test target because I want to use it to create an empty autoksyms.h file. Here is a little improvement; unnecessary autoksyms.h is not created when CONFIG_TRIM_UNUSED_KSYMS is disabled. [1] https://lkml.org/lkml/2016/11/30/734 [2] https://lkml.org/lkml/2016/11/30/531 Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Nicolas Pitre <nico@linaro.org>
| * | kbuild: move 'scripts' target belowMasahiro Yamada2018-03-251-8/+7
| | | | | | | | | | | | | | | | | | | | | Just a trivial change to prepare for the next commit. This target is still invisible from external module building. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * | kbuild: clear LDFLAGS in the top MakefileMasahiro Yamada2018-03-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently LDFLAGS is not cleared, so same flags are accumulated in LDFLAGS when the top Makefile is recursively invoked. I found unneeded rebuild for ARCH=arm64 when CONFIG_TRIM_UNUSED_KSYMS is enabled. If include/generated/autoksyms.h is updated, the top Makefile is recursively invoked, then arch/arm64/Makefile adds one more '-maarch64linux'. Due to the command line change, modules are rebuilt needlessly. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Nicolas Pitre <nico@linaro.org>
| * | kbuild: process mixture of clean/build targets one by oneMasahiro Yamada2018-03-251-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support parallel building of clean, config, and build targets in a single command. For example, make -j<N> clean all or make -j<N> mrproper defconfig all They should be handled one by one. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * | kbuild: rename built-in.o to built-in.aNicholas Piggin2018-03-251-7/+7
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Incremental linking is gone, so rename built-in.o to built-in.a, which is the usual extension for archive files. This patch does two things, first is a simple search/replace: git grep -l 'built-in\.o' | xargs sed -i 's/built-in\.o/built-in\.a/g' The second is to invert nesting of nested text manipulations to avoid filtering built-in.a out from libs-y2: -libs-y2 := $(filter-out %.a, $(patsubst %/, %/built-in.a, $(libs-y))) +libs-y2 := $(patsubst %/, %/built-in.a, $(filter-out %.a, $(libs-y))) Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | Merge tag 'arch-removal' of ↵Linus Torvalds2018-04-031-8/+0
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pul removal of obsolete architecture ports from Arnd Bergmann: "This removes the entire architecture code for blackfin, cris, frv, m32r, metag, mn10300, score, and tile, including the associated device drivers. I have been working with the (former) maintainers for each one to ensure that my interpretation was right and the code is definitely unused in mainline kernels. Many had fond memories of working on the respective ports to start with and getting them included in upstream, but also saw no point in keeping the port alive without any users. In the end, it seems that while the eight architectures are extremely different, they all suffered the same fate: There was one company in charge of an SoC line, a CPU microarchitecture and a software ecosystem, which was more costly than licensing newer off-the-shelf CPU cores from a third party (typically ARM, MIPS, or RISC-V). It seems that all the SoC product lines are still around, but have not used the custom CPU architectures for several years at this point. In contrast, CPU instruction sets that remain popular and have actively maintained kernel ports tend to all be used across multiple licensees. [ See the new nds32 port merged in the previous commit for the next generation of "one company in charge of an SoC line, a CPU microarchitecture and a software ecosystem" - Linus ] The removal came out of a discussion that is now documented at https://lwn.net/Articles/748074/. Unlike the original plans, I'm not marking any ports as deprecated but remove them all at once after I made sure that they are all unused. Some architectures (notably tile, mn10300, and blackfin) are still being shipped in products with old kernels, but those products will never be updated to newer kernel releases. After this series, we still have a few architectures without mainline gcc support: - unicore32 and hexagon both have very outdated gcc releases, but the maintainers promised to work on providing something newer. At least in case of hexagon, this will only be llvm, not gcc. - openrisc, risc-v and nds32 are still in the process of finishing their support or getting it added to mainline gcc in the first place. They all have patched gcc-7.3 ports that work to some degree, but complete upstream support won't happen before gcc-8.1. Csky posted their first kernel patch set last week, their situation will be similar [ Palmer Dabbelt points out that RISC-V support is in mainline gcc since gcc-7, although gcc-7.3.0 is the recommended minimum - Linus ]" This really says it all: 2498 files changed, 95 insertions(+), 467668 deletions(-) * tag 'arch-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (74 commits) MAINTAINERS: UNICORE32: Change email account staging: iio: remove iio-trig-bfin-timer driver tty: hvc: remove tile driver tty: remove bfin_jtag_comm and hvc_bfin_jtag drivers serial: remove tile uart driver serial: remove m32r_sio driver serial: remove blackfin drivers serial: remove cris/etrax uart drivers usb: Remove Blackfin references in USB support usb: isp1362: remove blackfin arch glue usb: musb: remove blackfin port usb: host: remove tilegx platform glue pwm: remove pwm-bfin driver i2c: remove bfin-twi driver spi: remove blackfin related host drivers watchdog: remove bfin_wdt driver can: remove bfin_can driver mmc: remove bfin_sdh driver input: misc: remove blackfin rotary driver input: keyboard: remove bf54x driver ...
| * | arch: remove tile portArnd Bergmann2018-03-161-8/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Tile architecture port was added by Chris Metcalf in 2010, and maintained until early 2018 when he orphaned it due to his departure from Mellanox, and nobody else stepped up to maintain it. The product line is still around in the form of the BlueField SoC, but no longer uses the Tile architecture. There are also still products for sale with Tile-GX SoCs, notably the Mikrotik CCR router family. The products all use old (linux-3.3) kernels with lots of patches and won't be upgraded by their manufacturers. There have been efforts to port both OpenWRT and Debian to these, but both projects have stalled and are very unlikely to be continued in the future. Given that we are reasonably sure that nobody is still using the port with an upstream kernel any more, it seems better to remove it now while the port is in a good shape than to let it bitrot for a few years first. Cc: Chris Metcalf <chris.d.metcalf@gmail.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: http://www.mellanox.com/page/npu_multicore_overview Link: https://jenkins.debian.net/view/rebootstrap/job/rebootstrap_tilegx_gcc7/ Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* | | Merge branch 'x86-build-for-linus' of ↵Linus Torvalds2018-04-021-6/+7
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 build updates from Ingo Molnar: "The biggest change is the forcing of asm-goto support on x86, which effectively increases the GCC minimum supported version to gcc-4.5 (on x86)" * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/build: Don't pass in -D__KERNEL__ multiple times x86: Remove FAST_FEATURE_TESTS x86: Force asm-goto x86/build: Drop superfluous ALIGN from the linker script
| * | | x86: Force asm-gotoPeter Zijlstra2018-03-201-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We want to start using asm-goto to guarantee the absence of dynamic branches (and thus speculation). A primary prerequisite for this is of course that the compiler supports asm-goto. This effecively lifts the minimum GCC version to build an x86 kernel to gcc-4.5. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: torvalds@linux-foundation.org Link: https://lkml.kernel.org/r/20180319201327.GJ4043@hirez.programming.kicks-ass.net
* | | | Linux 4.16v4.16Linus Torvalds2018-04-011-1/+1
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* | | | Merge tag 'kbuild-fixes-v4.16-3' of ↵Linus Torvalds2018-03-311-2/+2
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - fix missed rebuild of TRIM_UNUSED_KSYMS - fix rpm-pkg for GNU tar >= 1.29 - include scripts/dtc/include-prefixes/* to kernel header deb-pkg - add -no-integrated-as option ealier to fix building with Clang - fix netfilter Makefile for parallel building * tag 'kbuild-fixes-v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: netfilter: nf_nat_snmp_basic: add correct dependency to Makefile kbuild: rpm-pkg: Support GNU tar >= 1.29 builddeb: Fix header package regarding dtc source links kbuild: set no-integrated-as before incl. arch Makefile kbuild: make scripts/adjust_autoksyms.sh robust against timestamp races
| * | | | kbuild: set no-integrated-as before incl. arch MakefileStefan Agner2018-03-211-2/+2
| | |_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to make sure compiler flag detection for ARM works correctly the no-integrated-as flags need to be set before including the arch specific Makefile. Fixes: cfe17c9bbe6a ("kbuild: move cc-option and cc-disable-warning after incl. arch Makefile") Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | | | Linux 4.16-rc7v4.16-rc7Linus Torvalds2018-03-261-1/+1
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* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2018-03-221-0/+9
|\ \ \ \ | |_|/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: 1) Always validate XFRM esn replay attribute, from Florian Westphal. 2) Fix RCU read lock imbalance in xfrm_get_tos(), from Xin Long. 3) Don't try to get firmware dump if not loaded in iwlwifi, from Shaul Triebitz. 4) Fix BPF helpers to deal with SCTP GSO SKBs properly, from Daniel Axtens. 5) Fix some interrupt handling issues in e1000e driver, from Benjamin Poitier. 6) Use strlcpy() in several ethtool get_strings methods, from Florian Fainelli. 7) Fix rhlist dup insertion, from Paul Blakey. 8) Fix SKB leak in netem packet scheduler, from Alexey Kodanev. 9) Fix driver unload crash when link is up in smsc911x, from Jeremy Linton. 10) Purge out invalid socket types in l2tp_tunnel_create(), from Eric Dumazet. 11) Need to purge the write queue when TCP connections are aborted, otherwise userspace using MSG_ZEROCOPY can't close the fd. From Soheil Hassas Yeganeh. 12) Fix double free in error path of team driver, from Arkadi Sharshevsky. 13) Filter fixes for hv_netvsc driver, from Stephen Hemminger. 14) Fix non-linear packet access in ipv6 ndisc code, from Lorenzo Bianconi. 15) Properly filter out unsupported feature flags in macvlan driver, from Shannon Nelson. 16) Don't request loading the diag module for a protocol if the protocol itself is not even registered. From Xin Long. 17) If datagram connect fails in ipv6, make sure the socket state is consistent afterwards. From Paolo Abeni. 18) Use after free in qed driver, from Dan Carpenter. 19) If received ipv4 PMTU is less than the min pmtu, lock the mtu in the entry. From Sabrina Dubroca. 20) Fix sleep in atomic in tg3 driver, from Jonathan Toppins. 21) Fix vlan in vlan untagging in some situations, from Toshiaki Makita. 22) Fix double SKB free in genlmsg_mcast(). From Nicolas Dichtel. 23) Fix NULL derefs in error paths of tcf_*_init(), from Davide Caratti. 24) Unbalanced PM runtime calls in FEC driver, from Florian Fainelli. 25) Memory leak in gemini driver, from Igor Pylypiv. 26) IDR leaks in error paths of tcf_*_init() functions, from Davide Caratti. 27) Need to use GFP_ATOMIC in seg6_build_state(), from David Lebrun. 28) Missing dev_put() in error path of macsec_newlink(), from Dan Carpenter. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (201 commits) macsec: missing dev_put() on error in macsec_newlink() net: dsa: Fix functional dsa-loop dependency on FIXED_PHY hv_netvsc: common detach logic hv_netvsc: change GPAD teardown order on older versions hv_netvsc: use RCU to fix concurrent rx and queue changes hv_netvsc: disable NAPI before channel close net/ipv6: Handle onlink flag with multipath routes ppp: avoid loop in xmit recursion detection code ipv6: sr: fix NULL pointer dereference when setting encap source address ipv6: sr: fix scheduling in RCU when creating seg6 lwtunnel state net: aquantia: driver version bump net: aquantia: Implement pci shutdown callback net: aquantia: Allow live mac address changes net: aquantia: Add tx clean budget and valid budget handling logic net: aquantia: Change inefficient wait loop on fw data reads net: aquantia: Fix a regression with reset on old firmware net: aquantia: Fix hardware reset when SPI may rarely hangup s390/qeth: on channel error, reject further cmd requests s390/qeth: lock read device while queueing next buffer s390/qeth: when thread completes, wake up all waiters ...
| * | | kbuild: disable clang's default use of -fmerge-all-constantsDaniel Borkmann2018-03-211-0/+9
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prasad reported that he has seen crashes in BPF subsystem with netd on Android with arm64 in the form of (note, the taint is unrelated): [ 4134.721483] Unable to handle kernel paging request at virtual address 800000001 [ 4134.820925] Mem abort info: [ 4134.901283] Exception class = DABT (current EL), IL = 32 bits [ 4135.016736] SET = 0, FnV = 0 [ 4135.119820] EA = 0, S1PTW = 0 [ 4135.201431] Data abort info: [ 4135.301388] ISV = 0, ISS = 0x00000021 [ 4135.359599] CM = 0, WnR = 0 [ 4135.470873] user pgtable: 4k pages, 39-bit VAs, pgd = ffffffe39b946000 [ 4135.499757] [0000000800000001] *pgd=0000000000000000, *pud=0000000000000000 [ 4135.660725] Internal error: Oops: 96000021 [#1] PREEMPT SMP [ 4135.674610] Modules linked in: [ 4135.682883] CPU: 5 PID: 1260 Comm: netd Tainted: G S W 4.14.19+ #1 [ 4135.716188] task: ffffffe39f4aa380 task.stack: ffffff801d4e0000 [ 4135.731599] PC is at bpf_prog_add+0x20/0x68 [ 4135.741746] LR is at bpf_prog_inc+0x20/0x2c [ 4135.751788] pc : [<ffffff94ab7ad584>] lr : [<ffffff94ab7ad638>] pstate: 60400145 [ 4135.769062] sp : ffffff801d4e3ce0 [...] [ 4136.258315] Process netd (pid: 1260, stack limit = 0xffffff801d4e0000) [ 4136.273746] Call trace: [...] [ 4136.442494] 3ca0: ffffff94ab7ad584 0000000060400145 ffffffe3a01bf8f8 0000000000000006 [ 4136.460936] 3cc0: 0000008000000000 ffffff94ab844204 ffffff801d4e3cf0 ffffff94ab7ad584 [ 4136.479241] [<ffffff94ab7ad584>] bpf_prog_add+0x20/0x68 [ 4136.491767] [<ffffff94ab7ad638>] bpf_prog_inc+0x20/0x2c [ 4136.504536] [<ffffff94ab7b5d08>] bpf_obj_get_user+0x204/0x22c [ 4136.518746] [<ffffff94ab7ade68>] SyS_bpf+0x5a8/0x1a88 Android's netd was basically pinning the uid cookie BPF map in BPF fs (/sys/fs/bpf/traffic_cookie_uid_map) and later on retrieving it again resulting in above panic. Issue is that the map was wrongly identified as a prog! Above kernel was compiled with clang 4.0, and it turns out that clang decided to merge the bpf_prog_iops and bpf_map_iops into a single memory location, such that the two i_ops could then not be distinguished anymore. Reason for this miscompilation is that clang has the more aggressive -fmerge-all-constants enabled by default. In fact, clang source code has a comment about it in lib/AST/ExprConstant.cpp on why it is okay to do so: Pointers with different bases cannot represent the same object. (Note that clang defaults to -fmerge-all-constants, which can lead to inconsistent results for comparisons involving the address of a constant; this generally doesn't matter in practice.) The issue never appeared with gcc however, since gcc does not enable -fmerge-all-constants by default and even *explicitly* states in it's option description that using this flag results in non-conforming behavior, quote from man gcc: Languages like C or C++ require each variable, including multiple instances of the same variable in recursive calls, to have distinct locations, so using this option results in non-conforming behavior. There are also various clang bug reports open on that matter [1], where clang developers acknowledge the non-conforming behavior, and refer to disabling it with -fno-merge-all-constants. But even if this gets fixed in clang today, there are already users out there that triggered this. Thus, fix this issue by explicitly adding -fno-merge-all-constants to the kernel's Makefile to generically disable this optimization, since potentially other places in the kernel could subtly break as well. Note, there is also a flag called -fmerge-constants (not supported by clang), which is more conservative and only applies to strings and it's enabled in gcc's -O/-O2/-O3/-Os optimization levels. In gcc's code, the two flags -fmerge-{all-,}constants share the same variable internally, so when disabling it via -fno-merge-all-constants, then we really don't merge any const data (e.g. strings), and text size increases with gcc (14,927,214 -> 14,942,646 for vmlinux.o). $ gcc -fverbose-asm -O2 foo.c -S -o foo.S -> foo.S lists -fmerge-constants under options enabled $ gcc -fverbose-asm -O2 -fno-merge-all-constants foo.c -S -o foo.S -> foo.S doesn't list -fmerge-constants under options enabled $ gcc -fverbose-asm -O2 -fno-merge-all-constants -fmerge-constants foo.c -S -o foo.S -> foo.S lists -fmerge-constants under options enabled Thus, as a workaround we need to set both -fno-merge-all-constants *and* -fmerge-constants in the Makefile in order for text size to stay as is. [1] https://bugs.llvm.org/show_bug.cgi?id=18538 Reported-by: Prasad Sodagudi <psodagud@codeaurora.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Chenbo Feng <fengc@google.com> Cc: Richard Smith <richard-llvm@metafoo.co.uk> Cc: Chandler Carruth <chandlerc@gmail.com> Cc: linux-kernel@vger.kernel.org Tested-by: Prasad Sodagudi <psodagud@codeaurora.org> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
* | | Linux 4.16-rc6v4.16-rc6Linus Torvalds2018-03-191-1/+1
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* | Linux 4.16-rc5v4.16-rc5Linus Torvalds2018-03-121-1/+1
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* Linux 4.16-rc4v4.16-rc4Linus Torvalds2018-03-041-1/+1
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* Merge tag 'kbuild-fixes-v4.16' of ↵Linus Torvalds2018-03-031-7/+5
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - suppress sparse warnings about unknown attributes - fix typos and stale comments - fix build error of arch/sh - fix wrong use of ld-option vs cc-ldoption - remove redundant GCC_PLUGINS_CFLAGS assignment - fix another memory leak of Kconfig - fix line number in error messages of Kconfig - do not write confusing CONFIG_DEFCONFIG_LIST out to .config - add xstrdup() to Kconfig to handle memory shortage errors - show also a Debian package name if ncurses is missing * tag 'kbuild-fixes-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: MAINTAINERS: take over Kconfig maintainership kconfig: fix line number in recursive inclusion error message Coccinelle: memdup: Fix typo in warning messages kconfig: Update ncurses package names for menuconfig kbuild/kallsyms: trivial typo fix kbuild: test --build-id linker flag by ld-option instead of cc-ldoption kbuild: drop superfluous GCC_PLUGINS_CFLAGS assignment kconfig: Don't leak choice names during parsing sh: fix build error for empty CONFIG_BUILTIN_DTB_SOURCE kconfig: set SYMBOL_AUTO to the symbol marked with defconfig_list kconfig: add xstrdup() helper kbuild: disable sparse warnings about unknown attributes Makefile: Fix lying comment re. silentoldconfig
| * kbuild: test --build-id linker flag by ld-option instead of cc-ldoptionMasahiro Yamada2018-03-021-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | '--build-id' is passed to $(LD), so it should be tested by 'ld-option'. This seems a kind of misconversion when ld-option was renamed to cc-ldoption. Commit f86fd3066052 ("kbuild: rename ld-option to cc-ldoption") renamed all instances of 'ld-option' to 'cc-ldoption'. Then, commit 691ef3e7fdc1 ("kbuild: introduce ld-option") re-added 'ld-option' as a new implementation. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: disable sparse warnings about unknown attributesLuc Van Oostenryck2018-03-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, sparse issues warnings on code using an attribute it doesn't know about. One of the problem with this is that these warnings have no value for the developer, it's just noise for him. At best these warnings tell something about some deficiencies of sparse itself but not about a potential problem with code analyzed. A second problem with this is that sparse release are, alas, less frequent than new attributes are added to GCC. So, avoid the noise by asking sparse to not warn about attributes it doesn't know about. Reference: https://marc.info/?l=linux-sparse&m=151871600016790 Reference: https://marc.info/?l=linux-sparse&m=151871725417322 Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * Makefile: Fix lying comment re. silentoldconfigUlf Magnusson2018-03-011-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The comment above the silentoldconfig invocation is outdated. 'make oldconfig' updates just .config and doesn't touch the include/config/ tree. This came up in https://lkml.org/lkml/2018/2/12/415. While fixing the comment, make it more informative by explaining the purpose of the unfortunately named silentoldconfig. I can't make sense of the comment re. auto.conf.cmd and a cleaned tree. include/config/auto.conf and include/config/auto.conf.cmd are both created simultaneously by silentoldconfig (in scripts/kconfig/confdata.c, by conf_write_autoconf()), and nothing seems to remove auto.conf.cmd that wouldn't remove auto.conf. Remove that part of the comment rather than blindly copying it. It might be a leftover from an older way of doing things. The include/config/auto.conf.cmd prerequisite might be there to ensure that silentoldconfig gets rerun if conf_write_autoconf() fails between writing out auto.conf.cmd and auto.conf (a comment in the function indicates that auto.conf is deliberately written out last to mark completion of the operation). It seems the Makefile dependency between include/config/auto.conf and .config would already take care of that though, since include/config/auto.conf would still be out of date re. .config if the operation fails. Cop out and leave the prerequisite in for now. Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | Merge branch 'x86-pti-for-linus' of ↵Linus Torvalds2018-02-261-0/+5
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Thomas Gleixner: "Yet another pile of melted spectrum related changes: - sanitize the array_index_nospec protection mechanism: Remove the overengineered array_index_nospec_mask_check() magic and allow const-qualified types as index to avoid temporary storage in a non-const local variable. - make the microcode loader more robust by properly propagating error codes. Provide information about new feature bits after micro code was updated so administrators can act upon. - optimizations of the entry ASM code which reduce code footprint and make the code simpler and faster. - fix the {pmd,pud}_{set,clear}_flags() implementations to work properly on paravirt kernels by removing the address translation operations. - revert the harmful vmexit_fill_RSB() optimization - use IBRS around firmware calls - teach objtool about retpolines and add annotations for indirect jumps and calls. - explicitly disable jumplabel patching in __init code and handle patching failures properly instead of silently ignoring them. - remove indirect paravirt calls for writing the speculation control MSR as these calls are obviously proving the same attack vector which is tried to be mitigated. - a few small fixes which address build issues with recent compiler and assembler versions" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits) KVM/VMX: Optimize vmx_vcpu_run() and svm_vcpu_run() by marking the RDMSR path as unlikely() KVM/x86: Remove indirect MSR op calls from SPEC_CTRL objtool, retpolines: Integrate objtool with retpoline support more closely x86/entry/64: Simplify ENCODE_FRAME_POINTER extable: Make init_kernel_text() global jump_label: Warn on failed jump_label patching attempt jump_label: Explicitly disable jump labels in __init code x86/entry/64: Open-code switch_to_thread_stack() x86/entry/64: Move ASM_CLAC to interrupt_entry() x86/entry/64: Remove 'interrupt' macro x86/entry/64: Move the switch_to_thread_stack() call to interrupt_entry() x86/entry/64: Move ENTER_IRQ_STACK from interrupt macro to interrupt_entry x86/entry/64: Move PUSH_AND_CLEAR_REGS from interrupt macro to helper function x86/speculation: Move firmware_restrict_branch_speculation_*() from C to CPP objtool: Add module specific retpoline rules objtool: Add retpoline validation objtool: Use existing global variables for options x86/mm/sme, objtool: Annotate indirect call in sme_encrypt_execute() x86/boot, objtool: Annotate indirect jump in secondary_startup_64() x86/paravirt, objtool: Annotate indirect calls ...
| * objtool, retpolines: Integrate objtool with retpoline support more closelyPeter Zijlstra2018-02-211-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Disable retpoline validation in objtool if your compiler sucks, and otherwise select the validation stuff for CONFIG_RETPOLINE=y (most builds would already have it set due to ORC). Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
* | Linux 4.16-rc3v4.16-rc3Linus Torvalds2018-02-261-1/+1
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* | Linux 4.16-rc2v4.16-rc2Linus Torvalds2018-02-191-1/+1
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* Linux 4.16-rc1v4.16-rc1Linus Torvalds2018-02-121-2/+2
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* Merge tag 'kbuild-v4.16-2' of ↵Linus Torvalds2018-02-101-2/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild updates from Masahiro Yamada: "Makefile changes: - enable unused-variable warning that was wrongly disabled for clang Kconfig changes: - warn about blank 'help' and fix existing instances - fix 'choice' behavior to not write out invisible symbols - fix misc weirdness Coccinell changes: - fix false positive of free after managed memory alloc detection - improve performance of NULL dereference detection" * tag 'kbuild-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (21 commits) kconfig: remove const qualifier from sym_expand_string_value() kconfig: add xrealloc() helper kconfig: send error messages to stderr kconfig: echo stdin to stdout if either is redirected kconfig: remove check_stdin() kconfig: remove 'config*' pattern from .gitignnore kconfig: show '?' prompt even if no help text is available kconfig: do not write choice values when their dependency becomes n coccinelle: deref_null: avoid useless computation coccinelle: devm_free: reduce false positives kbuild: clang: disable unused variable warnings only when constant kconfig: Warn if help text is blank nios2: kconfig: Remove blank help text arm: vt8500: kconfig: Remove blank help text MIPS: kconfig: Remove blank help text MIPS: BCM63XX: kconfig: Remove blank help text lib/Kconfig.debug: Remove blank help text Staging: rtl8192e: kconfig: Remove blank help text Staging: rtl8192u: kconfig: Remove blank help text mmc: kconfig: Remove blank help text ...
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 16:01:19 +0100