Signed-off-by: Mathieu Desnoyers <[email protected]>
---
tools/testing/selftests/rseq/rseq-abi.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tools/testing/selftests/rseq/rseq-abi.h b/tools/testing/selftests/rseq/rseq-abi.h
index a1faa9162d52..1ee4740ebe94 100644
--- a/tools/testing/selftests/rseq/rseq-abi.h
+++ b/tools/testing/selftests/rseq/rseq-abi.h
@@ -155,6 +155,15 @@ struct rseq_abi {
*/
__u32 node_id;
+ /*
+ * Restartable sequences vm_vcpu_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 thread's virtual CPU ID
+ * (allocated uniquely within a memory space).
+ */
+ __u32 vm_vcpu_id;
+
/*
* Flexible array member at end of structure, after last feature field.
*/
--
2.17.1