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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-03-17 04:01:30 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-03-17 04:01:30 -0700 |
| commit | d26a3a6ce7e02f9c056ad992bcd9624735022337 (patch) | |
| tree | 9df8aeaceed50bf65d01172c67f67035c9fa59ef /include/uapi/linux/rseq.h | |
| parent | 007e50eb5dbe7b33a43a1449a0d9c29e8dcf1c67 (diff) | |
| parent | eeac8ede17557680855031c6f305ece2378af326 (diff) | |
Merge tag 'v6.3-rc2' into next
Merge with mainline to get of_property_present() and other newer APIs.
Diffstat (limited to 'include/uapi/linux/rseq.h')
| -rw-r--r-- | include/uapi/linux/rseq.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/linux/rseq.h b/include/uapi/linux/rseq.h index 77ee207623a9..c233aae5eac9 100644 --- a/include/uapi/linux/rseq.h +++ b/include/uapi/linux/rseq.h @@ -130,6 +130,28 @@ struct rseq { * this thread. */ __u32 flags; + + /* + * Restartable sequences node_id field. Updated by the kernel. Read by + * user-space with single-copy atomicity semantics. This field should + * only be read by the thread which registered this data structure. + * Aligned on 32-bit. Contains the current NUMA node ID. + */ + __u32 node_id; + + /* + * Restartable sequences mm_cid field. Updated by the kernel. Read by + * user-space with single-copy atomicity semantics. This field should + * only be read by the thread which registered this data structure. + * Aligned on 32-bit. Contains the current thread's concurrency ID + * (allocated uniquely within a memory map). + */ + __u32 mm_cid; + + /* + * Flexible array member at end of structure, after last feature field. + */ + char end[]; } __attribute__((aligned(4 * sizeof(__u64)))); #endif /* _UAPI_LINUX_RSEQ_H */ |
