diff options
Diffstat (limited to 'tools/testing/selftests/rseq/rseq-abi.h')
| -rw-r--r-- | tools/testing/selftests/rseq/rseq-abi.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/rseq/rseq-abi.h b/tools/testing/selftests/rseq/rseq-abi.h index 00ac846d85b0..a1faa9162d52 100644 --- a/tools/testing/selftests/rseq/rseq-abi.h +++ b/tools/testing/selftests/rseq/rseq-abi.h @@ -148,6 +148,14 @@ struct rseq_abi { __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; + + /* * Flexible array member at end of structure, after last feature field. */ char end[]; |