Module Name: src
Committed By: riastradh
Date: Sun Dec 19 11:47:55 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/linux: spinlock.h
Log Message:
provide spin_trylock_irqsave
Author: Maya Rashish <m...@netbsd.org>
Committer: Taylor R Campbell <riastr...@netbsd.org>
To generate a diff of this commit:
cvs rdiff -u -r1.12 -r1.13 src/sys/external/bsd/drm2/include/linux/spinlock.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/spinlock.h
diff -u src/sys/external/bsd/drm2/include/linux/spinlock.h:1.12 src/sys/external/bsd/drm2/include/linux/spinlock.h:1.13
--- src/sys/external/bsd/drm2/include/linux/spinlock.h:1.12 Sun Dec 19 11:38:37 2021
+++ src/sys/external/bsd/drm2/include/linux/spinlock.h Sun Dec 19 11:47:55 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: spinlock.h,v 1.12 2021/12/19 11:38:37 riastradh Exp $ */
+/* $NetBSD: spinlock.h,v 1.13 2021/12/19 11:47:55 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -82,6 +82,10 @@ spin_unlock_irq(spinlock_t *spinlock)
mutex_enter(&((spinlock_t *)(SPINLOCK))->sl_lock); \
} while (0)
+#define spin_trylock_irqsave(SPINLOCK, FLAGS) \
+ ( (FLAGS) = 0, \
+ mutex_tryenter(&((spinlock_t *)(SPINLOCK))->sl_lock) )
+
static inline void
spin_unlock_irqrestore(spinlock_t *spinlock, unsigned long __unused flags)
{
