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| author | Maxime Ripard <mripard@kernel.org> | 2024-01-29 16:20:23 +0300 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-01-29 16:20:23 +0300 |
| commit | 4db102dcb0396a4ccf89b1eac0f4eb3fd167a080 (patch) | |
| tree | ea47469abffb236c5ba305c8a406e1f8209c6f34 /include/linux/cache.h | |
| parent | aeb262c353354eab81ab0d3242afa70984b7dc34 (diff) | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
| download | linux-4db102dcb0396a4ccf89b1eac0f4eb3fd167a080.tar.xz | |
Merge drm/drm-next into drm-misc-next
Kickstart 6.9 development cycle.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'include/linux/cache.h')
| -rw-r--r-- | include/linux/cache.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/cache.h b/include/linux/cache.h index 9900d20b76c2..0ecb17bb6883 100644 --- a/include/linux/cache.h +++ b/include/linux/cache.h @@ -85,6 +85,31 @@ #define cache_line_size() L1_CACHE_BYTES #endif +#ifndef __cacheline_group_begin +#define __cacheline_group_begin(GROUP) \ + __u8 __cacheline_group_begin__##GROUP[0] +#endif + +#ifndef __cacheline_group_end +#define __cacheline_group_end(GROUP) \ + __u8 __cacheline_group_end__##GROUP[0] +#endif + +#ifndef CACHELINE_ASSERT_GROUP_MEMBER +#define CACHELINE_ASSERT_GROUP_MEMBER(TYPE, GROUP, MEMBER) \ + BUILD_BUG_ON(!(offsetof(TYPE, MEMBER) >= \ + offsetofend(TYPE, __cacheline_group_begin__##GROUP) && \ + offsetofend(TYPE, MEMBER) <= \ + offsetof(TYPE, __cacheline_group_end__##GROUP))) +#endif + +#ifndef CACHELINE_ASSERT_GROUP_SIZE +#define CACHELINE_ASSERT_GROUP_SIZE(TYPE, GROUP, SIZE) \ + BUILD_BUG_ON(offsetof(TYPE, __cacheline_group_end__##GROUP) - \ + offsetofend(TYPE, __cacheline_group_begin__##GROUP) > \ + SIZE) +#endif + /* * Helper to add padding within a struct to ensure data fall into separate * cachelines. |