diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2000-03-14 01:39:27 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2000-03-14 01:39:27 +0000 |
| commit | ce1a9d7d9ebf3bc87c544d06542a3d30f604dca5 (patch) | |
| tree | 7e1c263dc7b02602aa730654465bca583883d9dd /include/asm-mips64/spinlock.h | |
| parent | f8dfaf80bdc1a29fba2da8e1abc61a30da7ba6ab (diff) | |
MIPS64 SMP, compile only edition. Don't use yet ...
Diffstat (limited to 'include/asm-mips64/spinlock.h')
| -rw-r--r-- | include/asm-mips64/spinlock.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-mips64/spinlock.h b/include/asm-mips64/spinlock.h index 4651343e9..8787de4da 100644 --- a/include/asm-mips64/spinlock.h +++ b/include/asm-mips64/spinlock.h @@ -1,4 +1,4 @@ -/* $Id: spinlock.h,v 1.3 2000/01/23 21:15:52 ralf Exp $ +/* $Id: spinlock.h,v 1.4 2000/01/25 00:41:46 ralf Exp $ * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -22,6 +22,9 @@ typedef struct { #define spin_lock_init(x) do { (x)->lock = 0; } while(0); +#define spin_is_locked(x) ((x)->lock != 0) +#define spin_unlock_wait(x) ({ do { barrier(); } while ((x)->lock); }) + /* * Simple spin lock operations. There are two variants, one clears IRQ's * on the local processor, one does not. |