The patch titled Subject: kbuild: enable -Wcast-function-type-strict unconditionally has been added to the -mm mm-nonmm-unstable branch. Its filename is kbuild-enable-wcast-function-type-strict-unconditionally.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kbuild-enable-wcast-function-type-strict-unconditionally.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Arnd Bergmann <arnd@xxxxxxxx> Subject: kbuild: enable -Wcast-function-type-strict unconditionally Date: Mon, 15 Apr 2024 14:20:36 +0200 All known function cast warnings are now addressed, so the warning can be enabled globally to catch new ones more quickly. Link: https://lkml.kernel.org/r/20240415122037.1983124-6-arnd@xxxxxxxxxx Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx> Cc: Nathan Chancellor <nathan@xxxxxxxxxx> Cc: Nicolas Schier <nicolas@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/Makefile.extrawarn | 1 - 1 file changed, 1 deletion(-) --- a/scripts/Makefile.extrawarn~kbuild-enable-wcast-function-type-strict-unconditionally +++ a/scripts/Makefile.extrawarn @@ -129,7 +129,6 @@ endif KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast) KBUILD_CFLAGS += -Wno-tautological-constant-out-of-range-compare KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access) -KBUILD_CFLAGS += $(call cc-disable-warning, cast-function-type-strict) KBUILD_CFLAGS += -Wno-enum-compare-conditional KBUILD_CFLAGS += -Wno-enum-enum-conversion endif _ Patches currently in -mm which might be from arnd@xxxxxxxx are fix-missing-vmalloch-includes-fix-5.patch kcov-avoid-clang-out-of-range-warning.patch test_hexdump-avoid-string-truncation-warning.patch block-partitions-ldm-convert-strncpy-to-strscpy.patch blktrace-convert-strncpy-to-strscpy_pad.patch kbuild-turn-on-wextra-by-default.patch kbuild-remove-redundant-extra-warning-flags.patch kbuild-turn-on-wrestrict-by-default.patch kbuild-enable-wformat-truncation-on-clang.patch kbuild-enable-wcast-function-type-strict-unconditionally.patch kbuild-enable-wstringop-truncation-globally.patch