Module Name: src
Committed By: riastradh
Date: Mon Aug 27 07:08:58 UTC 2018
Modified Files:
src/sys/external/bsd/drm2/include/linux: atomic.h
Log Message:
Implement atomic64_cmpxchg.
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 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:1.8 src/sys/external/bsd/drm2/include/linux/atomic.h:1.9
--- src/sys/external/bsd/drm2/include/linux/atomic.h:1.8 Mon Aug 27 06:19:05 2018
+++ src/sys/external/bsd/drm2/include/linux/atomic.h Mon Aug 27 07:08:58 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: atomic.h,v 1.8 2018/08/27 06:19:05 riastradh Exp $ */
+/* $NetBSD: atomic.h,v 1.9 2018/08/27 07:08:58 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -195,6 +195,12 @@ atomic64_xchg(struct atomic64 *a, uint64
return atomic_swap_64(&a->a_v, v);
}
+static inline uint64_t
+atomic64_cmpxchg(struct atomic64 *atomic, uint64_t old, uint64_t new)
+{
+ return atomic_cas_64(&atomic->a_v, old, new);
+}
+
static inline void
set_bit(unsigned int bit, volatile unsigned long *ptr)
{
