diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-01-23 09:56:00 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-01-23 09:56:00 -0300 |
| commit | 91f67b9a6472a243e2c0630f637ddff0af08038e (patch) | |
| tree | 2ba948b5b9a9c13b3494efb3a4006c15db1cbb37 /tools/include/linux/build_bug.h | |
| parent | 5670ebf54bd26482f57a094c53bdc562c106e0a9 (diff) | |
| parent | 2475bf0250dee99b477e0c56d7dc9d7ac3f04117 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick fixes that went via perf/urgent.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/include/linux/build_bug.h')
| -rw-r--r-- | tools/include/linux/build_bug.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/include/linux/build_bug.h b/tools/include/linux/build_bug.h index cc7070c7439b..b4898ff085de 100644 --- a/tools/include/linux/build_bug.h +++ b/tools/include/linux/build_bug.h @@ -79,4 +79,13 @@ #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) #endif // static_assert + +/* + * Compile time check that field has an expected offset + */ +#define ASSERT_STRUCT_OFFSET(type, field, expected_offset) \ + BUILD_BUG_ON_MSG(offsetof(type, field) != (expected_offset), \ + "Offset of " #field " in " #type " has changed.") + + #endif /* _LINUX_BUILD_BUG_H */ |