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authorThomas Zimmermann <tzimmermann@suse.de>2023-03-13 09:27:50 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2023-03-13 09:27:50 +0100
commita1eccc574f977bd21a4ec8ac54bd73a2756bd281 (patch)
tree4bf81d9f35b36aebb150128e865193bf8984bf8c /include/uapi/linux/rseq.h
parent3e853b9f89e4bcc8aa342fa350d83ff0df67d7e9 (diff)
parentfe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.3-rc1 and sync with the other DRM trees. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/uapi/linux/rseq.h')
-rw-r--r--include/uapi/linux/rseq.h22
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 */