patch-2.3.13 linux/include/asm-m68k/spinlock.h
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- Lines: 38
- Date:
Mon Aug 9 12:27:31 1999
- Orig file:
v2.3.12/linux/include/asm-m68k/spinlock.h
- Orig date:
Thu Dec 17 09:06:25 1998
diff -u --recursive --new-file v2.3.12/linux/include/asm-m68k/spinlock.h linux/include/asm-m68k/spinlock.h
@@ -17,12 +17,14 @@
#endif
#define spin_lock_init(lock) do { } while(0)
-#define spin_lock(lock) do { } while(0)
-#define spin_trylock(lock) do { } while(0)
+#define spin_lock(lock) (void)(lock) /* Not "unused variable". */
+#define spin_trylock(lock) (1)
#define spin_unlock_wait(lock) do { } while(0)
#define spin_unlock(lock) do { } while(0)
#define spin_lock_irq(lock) cli()
#define spin_unlock_irq(lock) sti()
+#define spin_lock_bh(lock) local_bh_disable()
+#define spin_unlock_bh(lock) local_bh_enable()
#define spin_lock_irqsave(lock, flags) \
do { save_flags(flags); cli(); } while (0)
@@ -49,14 +51,18 @@
#define RW_LOCK_UNLOCKED (rwlock_t) { 0 }
#endif
-#define read_lock(lock) do { } while(0)
+#define read_lock(lock) (void)(lock) /* Not "unused variable". */
#define read_unlock(lock) do { } while(0)
-#define write_lock(lock) do { } while(0)
+#define write_lock(lock) (void)(lock) /* Not "unused variable". */
#define write_unlock(lock) do { } while(0)
#define read_lock_irq(lock) cli()
#define read_unlock_irq(lock) sti()
#define write_lock_irq(lock) cli()
#define write_unlock_irq(lock) sti()
+#define read_lock_bh(lock) local_bh_disable()
+#define read_unlock_bh(lock) local_bh_enable()
+#define write_lock_bh(lock) local_bh_disable()
+#define write_unlock_bh(lock) local_bh_enable()
#define read_lock_irqsave(lock, flags) save_and_cli(flags)
#define read_unlock_irqrestore(lock, flags) restore_flags(flags)
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