Module Name: src
Committed By: riastradh
Date: Fri Dec 31 14:44:50 UTC 2021
Modified Files:
src/sys/dev/sysmon: sysmonvar.h
Log Message:
sysmon(9): Document lock order.
To generate a diff of this commit:
cvs rdiff -u -r1.52 -r1.53 src/sys/dev/sysmon/sysmonvar.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/sysmon/sysmonvar.h
diff -u src/sys/dev/sysmon/sysmonvar.h:1.52 src/sys/dev/sysmon/sysmonvar.h:1.53
--- src/sys/dev/sysmon/sysmonvar.h:1.52 Fri Dec 31 14:30:04 2021
+++ src/sys/dev/sysmon/sysmonvar.h Fri Dec 31 14:44:50 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: sysmonvar.h,v 1.52 2021/12/31 14:30:04 riastradh Exp $ */
+/* $NetBSD: sysmonvar.h,v 1.53 2021/12/31 14:44:50 riastradh Exp $ */
/*-
* Copyright (c) 2000 Zembu Labs, Inc.
@@ -217,6 +217,8 @@ struct sysmon_envsys {
/*
* Locking/synchronization.
+ *
+ * Lock order: sme_global_mtx -> sme_mtx -> sme_work_mtx
*/
int sme_busy; /* number of items on workqueue,
* sme_work_mtx to read or write */
