+ kbuild-turn-on-wrestrict-by-default.patch added to mm-nonmm-unstable branch

+ kbuild-turn-on-wrestrict-by-default.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: kbuild: turn on -Wrestrict by default
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     kbuild-turn-on-wrestrict-by-default.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kbuild-turn-on-wrestrict-by-default.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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*** 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@arndb.de>
Subject: kbuild: turn on -Wrestrict by default
Date: Mon, 15 Apr 2024 14:20:34 +0200

All known -Wrestrict warnings are addressed now, so don't disable the
warning any more.

Link: https://lkml.kernel.org/r/20240415122037.1983124-4-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/Makefile.extrawarn |    1 -
 1 file changed, 1 deletion(-)

--- a/scripts/Makefile.extrawarn~kbuild-turn-on-wrestrict-by-default
+++ a/scripts/Makefile.extrawarn
@@ -98,7 +98,6 @@ else
 # Suppress them by using -Wno... except for W=1.
 KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
 KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
-KBUILD_CFLAGS += $(call cc-disable-warning, restrict)
 KBUILD_CFLAGS += $(call cc-disable-warning, packed-not-aligned)
 KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
 KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation)
_

Patches currently in -mm which might be from arnd@arndb.de 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