diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2020-06-02 18:47:11 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-06-15 14:10:08 +0200 |
| commit | 5ddbc4082e1072eeeae52ff561a88620a05be08f (patch) | |
| tree | 4f63655b80372b75dd21168d0ee8e754079bb1ef /include/linux/compiler_types.h | |
| parent | e79302ae8c8cceb51cf642d5ace9da02668cb7b4 (diff) | |
x86, kcsan: Add __no_kcsan to noinstr
The 'noinstr' function attribute means no-instrumentation, this should
very much include *SAN. Because lots of that is broken at present,
only include KCSAN for now, as that is limited to clang11, which has
sane function attribute behaviour.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'include/linux/compiler_types.h')
| -rw-r--r-- | include/linux/compiler_types.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 938249809511..a8b4266084a1 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -118,10 +118,6 @@ struct ftrace_likely_data { #define notrace __attribute__((__no_instrument_function__)) #endif -/* Section for code which can't be instrumented at all */ -#define noinstr \ - noinline notrace __attribute((__section__(".noinstr.text"))) - /* * it doesn't make sense on ARM (currently the only user of __naked) * to trace naked functions because then mcount is called without @@ -200,6 +196,10 @@ struct ftrace_likely_data { #define __no_sanitize_or_inline __always_inline #endif +/* Section for code which can't be instrumented at all */ +#define noinstr \ + noinline notrace __attribute((__section__(".noinstr.text"))) __no_kcsan + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ |