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| author | Maxime Ripard <maxime@cerno.tech> | 2022-04-05 11:06:58 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-04-05 11:06:58 +0200 |
| commit | 9cbbd694a58bdf24def2462276514c90cab7cf80 (patch) | |
| tree | 98a504890134d34631a6a0ecbce94d3f1ecc21fc /include/uapi/linux/rseq.h | |
| parent | 71d637823cac7748079a912e0373476c7cf6f985 (diff) | |
| parent | 3123109284176b1532874591f7c81f3837bbdc17 (diff) | |
Merge drm/drm-next into drm-misc-next
Let's start the 5.19 development cycle.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'include/uapi/linux/rseq.h')
| -rw-r--r-- | include/uapi/linux/rseq.h | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/include/uapi/linux/rseq.h b/include/uapi/linux/rseq.h index 9a402fdb60e9..77ee207623a9 100644 --- a/include/uapi/linux/rseq.h +++ b/include/uapi/linux/rseq.h @@ -105,23 +105,11 @@ struct rseq { * Read and set by the kernel. Set by user-space with single-copy * atomicity semantics. This field should only be updated by the * thread which registered this data structure. Aligned on 64-bit. + * + * 32-bit architectures should update the low order bits of the + * rseq_cs field, leaving the high order bits initialized to 0. */ - union { - __u64 ptr64; -#ifdef __LP64__ - __u64 ptr; -#else - struct { -#if (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)) || defined(__BIG_ENDIAN) - __u32 padding; /* Initialized to zero. */ - __u32 ptr32; -#else /* LITTLE */ - __u32 ptr32; - __u32 padding; /* Initialized to zero. */ -#endif /* ENDIAN */ - } ptr; -#endif - } rseq_cs; + __u64 rseq_cs; /* * Restartable sequences flags field. |