The naked attribute is supported by at least gcc >= 4.6 (for ARM, which is the only current user), gcc >= 8 (for x86), clang >= 3.1 and icc >= 13. See https://godbolt.org/z/350Dyc
Therefore, move it out of compiler-gcc.h so that the definition is shared by all compilers. Cc: Rasmus Villemoes <[email protected]> Cc: Luc Van Oostenryck <[email protected]> Cc: Eli Friedman <[email protected]> Cc: Christopher Li <[email protected]> Cc: Kees Cook <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Masahiro Yamada <[email protected]> Cc: Joe Perches <[email protected]> Cc: Dominique Martinet <[email protected]> Cc: Nick Desaulniers <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: [email protected] Suggested-by: Arnd Bergmann <[email protected]> Signed-off-by: Miguel Ojeda <[email protected]> --- include/linux/compiler-gcc.h | 8 -------- include/linux/compiler_types.h | 8 ++++++++ 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 4cd5e9264bce..3b32bbfa5a49 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -72,14 +72,6 @@ #define __noretpoline __attribute__((__indirect_branch__("keep"))) #endif -/* - * it doesn't make sense on ARM (currently the only user of __naked) - * to trace naked functions because then mcount is called without - * stack and frame pointer being set up and there is no chance to - * restore the lr register to the value before mcount was called. - */ -#define __naked __attribute__((__naked__)) notrace - #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) #define __compiletime_object_size(obj) __builtin_object_size(obj, 0) diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 759b3fea9216..f182f2ef3227 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -223,6 +223,14 @@ struct ftrace_likely_data { #define notrace __attribute__((__no_instrument_function__)) #endif +/* + * it doesn't make sense on ARM (currently the only user of __naked) + * to trace naked functions because then mcount is called without + * stack and frame pointer being set up and there is no chance to + * restore the lr register to the value before mcount was called. + */ +#define __naked __attribute__((__naked__)) notrace + #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) /* -- 2.17.1
