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Diffstat (limited to 'original/uapi/linux/membarrier.h')
-rw-r--r--original/uapi/linux/membarrier.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/original/uapi/linux/membarrier.h b/original/uapi/linux/membarrier.h
index 7376058..5f3ad6d 100644
--- a/original/uapi/linux/membarrier.h
+++ b/original/uapi/linux/membarrier.h
@@ -137,6 +137,9 @@
* @MEMBARRIER_CMD_SHARED:
* Alias to MEMBARRIER_CMD_GLOBAL. Provided for
* header backward compatibility.
+ * @MEMBARRIER_CMD_GET_REGISTRATIONS:
+ * Returns a bitmask of previously issued
+ * registration commands.
*
* Command to be passed to the membarrier system call. The commands need to
* be a single bit each, except for MEMBARRIER_CMD_QUERY which is assigned to
@@ -153,6 +156,7 @@ enum membarrier_cmd {
MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6),
MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ = (1 << 7),
MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ = (1 << 8),
+ MEMBARRIER_CMD_GET_REGISTRATIONS = (1 << 9),
/* Alias for header backward compatibility. */
MEMBARRIER_CMD_SHARED = MEMBARRIER_CMD_GLOBAL,