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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-01-09 17:04:49 -0600 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-01-09 17:04:49 -0600 |
| commit | 5a41237ad1d4b62008f93163af1d9b1da90729d8 (patch) | |
| tree | 75c0cfe816f7cfde27a5ffa432ab7d23f4e45575 /init/Kconfig | |
| parent | 1fe4fd6f5cad346e598593af36caeadc4f5d4fa9 (diff) | |
| download | lwn-5a41237ad1d4b62008f93163af1d9b1da90729d8.tar.gz lwn-5a41237ad1d4b62008f93163af1d9b1da90729d8.zip | |
gcc: disable -Warray-bounds for gcc-11 too
We had already disabled this warning for gcc-12 due to bugs in the value
range analysis, but it turns out we end up having some similar problems
with gcc-11.3 too, so let's disable it there too.
Older gcc versions end up being increasingly less relevant, and
hopefully clang and newer version of gcc (ie gcc-13) end up working
reliably enough that we still get the build coverage even when we
disable this for some versions.
Link: https://lore.kernel.org/all/20221227002941.GA2691687@roeck-us.net/
Link: https://lore.kernel.org/all/D8BDBF66-E44C-45D4-9758-BAAA4F0C1998@kernel.org/
Cc: Kees Cook <kees@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig index 7e5c3ddc341d..0958846b005e 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -894,13 +894,17 @@ config CC_IMPLICIT_FALLTHROUGH default "-Wimplicit-fallthrough=5" if CC_IS_GCC && $(cc-option,-Wimplicit-fallthrough=5) default "-Wimplicit-fallthrough" if CC_IS_CLANG && $(cc-option,-Wunreachable-code-fallthrough) -# Currently, disable gcc-12 array-bounds globally. +# Currently, disable gcc-11,12 array-bounds globally. # We may want to target only particular configurations some day. +config GCC11_NO_ARRAY_BOUNDS + def_bool y + config GCC12_NO_ARRAY_BOUNDS def_bool y config CC_NO_ARRAY_BOUNDS bool + default y if CC_IS_GCC && GCC_VERSION >= 110000 && GCC_VERSION < 120000 && GCC11_NO_ARRAY_BOUNDS default y if CC_IS_GCC && GCC_VERSION >= 120000 && GCC_VERSION < 130000 && GCC12_NO_ARRAY_BOUNDS # |