Module Name: src
Committed By: riastradh
Date: Mon Aug 27 07:14:19 UTC 2018
Modified Files:
src/sys/external/bsd/drm2/include/linux: atomic.h
Log Message:
Add Linux smp_mb__before_atomic.
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/external/bsd/drm2/include/linux/atomic.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/atomic.h
diff -u src/sys/external/bsd/drm2/include/linux/atomic.h:1.9 src/sys/external/bsd/drm2/include/linux/atomic.h:1.10
--- src/sys/external/bsd/drm2/include/linux/atomic.h:1.9 Mon Aug 27 07:08:58 2018
+++ src/sys/external/bsd/drm2/include/linux/atomic.h Mon Aug 27 07:14:19 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: atomic.h,v 1.9 2018/08/27 07:08:58 riastradh Exp $ */
+/* $NetBSD: atomic.h,v 1.10 2018/08/27 07:14:19 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -275,11 +275,13 @@ test_and_change_bit(unsigned int bit, vo
* should be insn/inc/enter and exit/dec/insn, but the use of the
* before/after memory barriers is not consistent throughout Linux.
*/
+# define smp_mb__before_atomic() membar_sync()
# define smp_mb__before_atomic_inc() membar_sync()
# define smp_mb__after_atomic_inc() membar_sync()
# define smp_mb__before_atomic_dec() membar_sync()
# define smp_mb__after_atomic_dec() membar_sync()
#else
+# define smp_mb__before_atomic() __insn_barrier()
# define smp_mb__before_atomic_inc() __insn_barrier()
# define smp_mb__after_atomic_inc() __insn_barrier()
# define smp_mb__before_atomic_dec() __insn_barrier()
