Messages in this thread Patch in this message | | | From | Lai Jiangshan <> | Subject | [PATCH V6 05/49] compiler_types.h: Add __noinstr_section() for noinstr | Date | Fri, 26 Nov 2021 18:11:25 +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: Miguel Ojeda <ojeda@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Suggested-by: Nick Desaulniers <ndesaulniers@google.com> Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com> --- include/linux/compiler_types.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 1d32f4c03c9e..1c9ca1e3ad26 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -208,9 +208,11 @@ struct ftrace_likely_data { #endif /* Section for code which can't be instrumented at all */ -#define noinstr \ - noinline notrace __attribute((__section__(".noinstr.text"))) \ - __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage +#define __noinstr_section(section) \ + noinline notrace __section(section) __no_profile \ + __no_kcsan __no_sanitize_address __no_sanitize_coverage + +#define noinstr __noinstr_section(".noinstr.text") #endif /* __KERNEL__ */ -- 2.19.1.6.gb485710b
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