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| H A D | Makefile | diff 4cece764 Sun Mar 24 15:10:05 MDT 2024 Linus Torvalds <torvalds@linux-foundation.org> Linux 6.9-rc1 diff 50a33998 Fri Mar 01 04:21:07 MST 2024 Masahiro Yamada <masahiroy@kernel.org> kbuild: fix inconsistent indentation in top Makefile Commit 3b9ab248bc45 ("kbuild: use 4-space indentation when followed by conditionals") introduced inconsistent indentation because it deliberately touched only the conditional directives to minimize the change set. This commit reformats some blocks in the top Makefile so they are consistently indented with 4 spaces. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> diff 50a33998 Fri Mar 01 04:21:07 MST 2024 Masahiro Yamada <masahiroy@kernel.org> kbuild: fix inconsistent indentation in top Makefile Commit 3b9ab248bc45 ("kbuild: use 4-space indentation when followed by conditionals") introduced inconsistent indentation because it deliberately touched only the conditional directives to minimize the change set. This commit reformats some blocks in the top Makefile so they are consistently indented with 4 spaces. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> diff 3b9ab248 Thu Feb 01 18:31:42 MST 2024 Masahiro Yamada <masahiroy@kernel.org> kbuild: use 4-space indentation when followed by conditionals GNU Make manual [1] clearly forbids a tab at the beginning of the conditional directive line: "Extra spaces are allowed and ignored at the beginning of the conditional directive line, but a tab is not allowed." This will not work for the next release of GNU Make, hence commit 82175d1f9430 ("kbuild: Replace tabs with spaces when followed by conditionals") replaced the inappropriate tabs with 8 spaces. However, the 8-space indentation cannot be visually distinguished. Linus suggested 2-4 spaces for those nested if-statements. [2] This commit redoes the replacement with 4 spaces. [1]: https://www.gnu.org/software/make/manual/make.html#Conditional-Syntax [2]: https://lore.kernel.org/all/CAHk-=whJKZNZWsa-VNDKafS_VfY4a5dAjG-r8BZgWk_a-xSepw@mail.gmail.com/ Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> diff 3b9ab248 Thu Feb 01 18:31:42 MST 2024 Masahiro Yamada <masahiroy@kernel.org> kbuild: use 4-space indentation when followed by conditionals GNU Make manual [1] clearly forbids a tab at the beginning of the conditional directive line: "Extra spaces are allowed and ignored at the beginning of the conditional directive line, but a tab is not allowed." This will not work for the next release of GNU Make, hence commit 82175d1f9430 ("kbuild: Replace tabs with spaces when followed by conditionals") replaced the inappropriate tabs with 8 spaces. However, the 8-space indentation cannot be visually distinguished. Linus suggested 2-4 spaces for those nested if-statements. [2] This commit redoes the replacement with 4 spaces. [1]: https://www.gnu.org/software/make/manual/make.html#Conditional-Syntax [2]: https://lore.kernel.org/all/CAHk-=whJKZNZWsa-VNDKafS_VfY4a5dAjG-r8BZgWk_a-xSepw@mail.gmail.com/ Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> diff 3b9ab248 Thu Feb 01 18:31:42 MST 2024 Masahiro Yamada <masahiroy@kernel.org> kbuild: use 4-space indentation when followed by conditionals GNU Make manual [1] clearly forbids a tab at the beginning of the conditional directive line: "Extra spaces are allowed and ignored at the beginning of the conditional directive line, but a tab is not allowed." This will not work for the next release of GNU Make, hence commit 82175d1f9430 ("kbuild: Replace tabs with spaces when followed by conditionals") replaced the inappropriate tabs with 8 spaces. However, the 8-space indentation cannot be visually distinguished. Linus suggested 2-4 spaces for those nested if-statements. [2] This commit redoes the replacement with 4 spaces. [1]: https://www.gnu.org/software/make/manual/make.html#Conditional-Syntax [2]: https://lore.kernel.org/all/CAHk-=whJKZNZWsa-VNDKafS_VfY4a5dAjG-r8BZgWk_a-xSepw@mail.gmail.com/ Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> diff 66242cfa Mon Nov 20 11:37:19 MST 2023 Heiko Carstens <hca@linux.ibm.com> checkstack: allow to pass MINSTACKSIZE parameter The checkstack script omits all functions with a stack usage of less than 100 bytes. However the script already has support for a parameter which allows to override the default, but it cannot be set with $ make checkstack Add a MINSTACKSIZE parameter which allows to change the default. This might be useful in order to print the stack usage of all functions, or only those with large stack usage: $ make checkstack MINSTACKSIZE=0 $ make checkstack MINSTACKSIZE=800 Link: https://lkml.kernel.org/r/20231120183719.2188479-4-hca@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Cc: Maninder Singh <maninder1.s@samsung.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Vaneet Narang <v.narang@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> diff 4e3feaad Tue Jan 24 09:19:28 MST 2023 Nathan Chancellor <nathan@kernel.org> powerpc/vdso: Filter clang's auto var init zero enabler when linking After commit 8d9acfce3332 ("kbuild: Stop using '-Qunused-arguments' with clang"), the PowerPC vDSO shows the following error with clang-13 and older when CONFIG_INIT_STACK_ALL_ZERO is enabled: clang: error: argument unused during compilation: '-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang' [-Werror,-Wunused-command-line-argument] clang-14 added a change to make sure this flag never triggers -Wunused-command-line-argument, so it is fixed with newer releases. For older releases that the kernel still supports building with, just filter out this flag, as has been done for other flags. Fixes: f0a42fbab447 ("powerpc/vdso: Improve linker flags") Fixes: 8d9acfce3332 ("kbuild: Stop using '-Qunused-arguments' with clang") Link: https://github.com/llvm/llvm-project/commit/ca6d5813d17598cd180995fb3bdfca00f364475f Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> diff 4ec5183e Sun Feb 05 14:13:28 MST 2023 Linus Torvalds <torvalds@linux-foundation.org> Linux 6.2-rc7 diff 4bf73588 Mon Dec 05 14:48:19 MST 2022 Dmitry Goncharov <dgoncharov@users.sf.net> kbuild: Port silent mode detection to future gnu make. Port silent mode detection to the future (post make-4.4) versions of gnu make. Makefile contains the following piece of make code to detect if option -s is specified on the command line. ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) This code is executed by make at parse time and assumes that MAKEFLAGS does not contain command line variable definitions. Currently if the user defines a=s on the command line, then at build only time MAKEFLAGS contains " -- a=s". However, starting with commit dc2d963989b96161472b2cd38cef5d1f4851ea34 MAKEFLAGS contains command line definitions at both parse time and build time. This '-s' detection code then confuses a command line variable definition which contains letter 's' with option -s. $ # old make $ make net/wireless/ocb.o a=s CALL scripts/checksyscalls.sh DESCEND objtool $ # this a new make which defines makeflags at parse time $ ~/src/gmake/make/l64/make net/wireless/ocb.o a=s $ We can see here that the letter 's' from 'a=s' was confused with -s. This patch checks for presence of -s using a method recommended by the make manual here https://www.gnu.org/software/make/manual/make.html#Testing-Flags. Link: https://lists.gnu.org/archive/html/bug-make/2022-11/msg00190.html Reported-by: Jan Palus <jpalus+gnu@fastmail.com> Signed-off-by: Dmitry Goncharov <dgoncharov@users.sf.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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