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-rw-r--r--include/xive.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/xive.h b/include/xive.h
index 065aa69..e35da6d 100644
--- a/include/xive.h
+++ b/include/xive.h
@@ -276,6 +276,9 @@
*
* One per interrupt source. Targets that interrupt to a given EQ
* and provides the corresponding logical interrupt number (EQ data)
+ *
+ * We also map this structure to the escalation descriptor inside
+ * an EQ, though in that case the valid and masked bits are not used.
*/
struct xive_ive {
/* Use a single 64-bit definition to make it easier to