| From | Lai Jiangshan <> | Subject | [PATCH V3 06/49] compiler_types.h: Add __noinstr_section() for noinstr | Date | Thu, 14 Oct 2021 11:33:29 +0800 |
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From: Lai Jiangshan <laijs@linux.alibaba.com>
And it will be extended for C entry code.
Cc: Borislav Petkov <bp@alien8.de> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com> --- include/linux/compiler_types.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index b6ff83a714ca..3c77631c68bd 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -208,10 +208,12 @@ struct ftrace_likely_data { #endif /* Section for code which can't be instrumented at all */ -#define noinstr \ - noinline notrace __attribute((__section__(".noinstr.text"))) \ +#define __noinstr_section(section) \ + noinline notrace __attribute((__section__(section))) \ __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage +#define noinstr __noinstr_section(".noinstr.text") + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ -- 2.19.1.6.gb485710b
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