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| author | Vasily Gorbik <gor@linux.ibm.com> | 2017-11-20 11:16:14 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-10-09 11:21:25 +0200 |
| commit | dde709d1361ab50d3b9f2824f72b4374f5582e84 (patch) | |
| tree | 441e7bde41fc063c7f23f31578560ca6174d6f16 | |
| parent | s390/kasan: use noexec and large pages (diff) | |
| download | linux-dde709d1361ab50d3b9f2824f72b4374f5582e84.tar.xz linux-dde709d1361ab50d3b9f2824f72b4374f5582e84.zip | |
compiler: introduce __no_sanitize_address_or_inline
Due to conflict between kasan instrumentation and inlining
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67368 functions which are
defined as inline could not be called from functions defined with
__no_sanitize_address.
Introduce __no_sanitize_address_or_inline which would expand to
__no_sanitize_address when the kernel is built with kasan support and
to inline otherwise. This helps to avoid disabling kasan
instrumentation for entire files.
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | include/linux/compiler-gcc.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 763bbad1e258..997ade08a79d 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -208,6 +208,12 @@ * Conflicts with inlining: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67368 */ #define __no_sanitize_address __attribute__((no_sanitize_address)) +#ifdef CONFIG_KASAN +#define __no_sanitize_address_or_inline \ + __no_sanitize_address __maybe_unused notrace +#else +#define __no_sanitize_address_or_inline inline +#endif #endif #if GCC_VERSION >= 50100 @@ -225,6 +231,7 @@ #if !defined(__no_sanitize_address) #define __no_sanitize_address +#define __no_sanitize_address_or_inline inline #endif /* |