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| author | Maxime Ripard <mripard@kernel.org> | 2023-07-11 09:23:20 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2023-07-11 09:23:20 +0200 |
| commit | 2f98e686ef59b5d19af5847d755798e2031bee3a (patch) | |
| tree | 7b47919242853d088decf898ca79d6cda0d49381 /tools/lib/bpf/bpf_helpers.h | |
| parent | a2848d08742c8e8494675892c02c0d22acbe3cf8 (diff) | |
| parent | 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5 (diff) | |
| download | linux-2f98e686ef59b5d19af5847d755798e2031bee3a.tar.gz linux-2f98e686ef59b5d19af5847d755798e2031bee3a.tar.bz2 linux-2f98e686ef59b5d19af5847d755798e2031bee3a.zip | |
Merge v6.5-rc1 into drm-misc-fixes
Boris needs 6.5-rc1 in drm-misc-fixes to prevent a conflict.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'tools/lib/bpf/bpf_helpers.h')
| -rw-r--r-- | tools/lib/bpf/bpf_helpers.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h index 929a3baca8ef..bbab9ad9dc5a 100644 --- a/tools/lib/bpf/bpf_helpers.h +++ b/tools/lib/bpf/bpf_helpers.h @@ -77,16 +77,21 @@ /* * Helper macros to manipulate data structures */ -#ifndef offsetof -#define offsetof(TYPE, MEMBER) ((unsigned long)&((TYPE *)0)->MEMBER) -#endif -#ifndef container_of + +/* offsetof() definition that uses __builtin_offset() might not preserve field + * offset CO-RE relocation properly, so force-redefine offsetof() using + * old-school approach which works with CO-RE correctly + */ +#undef offsetof +#define offsetof(type, member) ((unsigned long)&((type *)0)->member) + +/* redefined container_of() to ensure we use the above offsetof() macro */ +#undef container_of #define container_of(ptr, type, member) \ ({ \ void *__mptr = (void *)(ptr); \ ((type *)(__mptr - offsetof(type, member))); \ }) -#endif /* * Compiler (optimization) barrier. |