Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 01:18:09 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/include/linux: rcupdate.h

Log Message:
Add rcu_access_pointer and rcu_pointer_handoff.


To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/external/bsd/drm2/include/linux/rcupdate.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/rcupdate.h
diff -u src/sys/external/bsd/drm2/include/linux/rcupdate.h:1.9 src/sys/external/bsd/drm2/include/linux/rcupdate.h:1.10
--- src/sys/external/bsd/drm2/include/linux/rcupdate.h:1.9	Sun Dec 19 01:18:02 2021
+++ src/sys/external/bsd/drm2/include/linux/rcupdate.h	Sun Dec 19 01:18:09 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: rcupdate.h,v 1.9 2021/12/19 01:18:02 riastradh Exp $	*/
+/*	$NetBSD: rcupdate.h,v 1.10 2021/12/19 01:18:09 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -57,6 +57,15 @@
 	(P);								      \
 })
 
+#define	rcu_access_pointer(P) ({					      \
+	__typeof__(*(P)) *__rcu_access_pointer_tmp = (P);		      \
+	__insn_barrier();						      \
+	__rcu_access_pointer_tmp;					      \
+})
+
+/* kill_dependency */
+#define	rcu_pointer_handoff(P)	(P)
+
 struct rcu_head {
 	void		(*rcuh_callback)(struct rcu_head *);
 	struct rcu_head	*rcuh_next;

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