Module Name: src
Committed By: riastradh
Date: Sun Dec 19 00:46:51 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/linux: kref.h
Log Message:
Implement kref_read.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/external/bsd/drm2/include/linux/kref.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/external/bsd/drm2/include/linux/kref.h
diff -u src/sys/external/bsd/drm2/include/linux/kref.h:1.7 src/sys/external/bsd/drm2/include/linux/kref.h:1.8
--- src/sys/external/bsd/drm2/include/linux/kref.h:1.7 Mon Aug 27 13:44:41 2018
+++ src/sys/external/bsd/drm2/include/linux/kref.h Sun Dec 19 00:46:50 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: kref.h,v 1.7 2018/08/27 13:44:41 riastradh Exp $ */
+/* $NetBSD: kref.h,v 1.8 2021/12/19 00:46:50 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -140,6 +140,17 @@ kref_put_mutex(struct kref *kref, void (
return 0;
}
+static inline unsigned
+kref_read(const struct kref *kref)
+{
+ unsigned v;
+
+ v = kref->kr_count;
+ __insn_barrier();
+
+ return v;
+}
+
/*
* Not native to Linux. Mostly used for assertions...
*/
