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Code Issues Releases Wiki Activity

compiler_attributes.h: cleanups for GCC 4.9+ 

Since
commit 6ec4476ac8 ("Raise gcc version requirement to 4.9")
we no longer support building the kernel with GCC 4.8; drop the
preprocess checks for __GNUC_MINOR__ version. It's implied that if
__GNUC_MAJOR__ is 4, then the only supported version of __GNUC_MINOR__
left is 9.

Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210621231822.2848305-3-ndesaulniers@google.com
This commit is contained in:
Nick Desaulniers 2021-06-21 16:18:21 -07:00 committed by Kees Cook
parent 380d53c45f
commit ae4d682dfd
1 changed files with 3 additions and 3 deletions
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6
include/linux/compiler_attributes.h
View File

@ -27,7 +27,7 @@
*/
#ifndef __has_attribute
# define __has_attribute(x) __GCC4_has_attribute_##x
# define __GCC4_has_attribute___assume_aligned__ (__GNUC_MINOR__ >= 9)
# define __GCC4_has_attribute___assume_aligned__ 1
# define __GCC4_has_attribute___copy__ 0
# define __GCC4_has_attribute___designated_init__ 0
# define __GCC4_has_attribute___externally_visible__ 1
@ -35,8 +35,8 @@
# define __GCC4_has_attribute___noclone__ 1
# define __GCC4_has_attribute___no_profile_instrument_function__ 0
# define __GCC4_has_attribute___nonstring__ 0
# define __GCC4_has_attribute___no_sanitize_address__ (__GNUC_MINOR__ >= 8)
# define __GCC4_has_attribute___no_sanitize_undefined__ (__GNUC_MINOR__ >= 9)
# define __GCC4_has_attribute___no_sanitize_address__ 1
# define __GCC4_has_attribute___no_sanitize_undefined__ 1
# define __GCC4_has_attribute___fallthrough__ 0
#endif