Add generic arch include header

[fio.git] / arch / arch-alpha.h

diff --git a/arch/arch-alpha.h b/arch/arch-alpha.h
index e204368389aaec880c0a840ab30fc49fa0235645..e8132a048a1a56d90892957eb627107c72d546d2 100644 (file)
--- a/arch/arch-alpha.h
+++ b/arch/arch-alpha.h
@@ -20,35 +20,6 @@
 
 #define nop                    do { } while (0)
 #define read_barrier()         __asm__ __volatile__("mb": : :"memory")
-#define writer_barrier()       __asm__ __volatile__("wmb": : :"memory")
-
-typedef struct {
-       volatile unsigned int lock;
-} spinlock_t;
-
-static inline void spin_lock(spinlock_t *lock)
-{
-       long tmp;
-
-       __asm__ __volatile__("1:     ldl_l   %0,%1\n"
-                       "       bne     %0,2f\n"
-                       "       lda     %0,1\n"
-                       "       stl_c   %0,%1\n"
-                       "       beq     %0,2f\n"
-                       "       mb\n"
-                       ".subsection 2\n"
-                       "2:     ldl     %0,%1\n"
-                       "       bne     %0,2b\n"
-                       "       br      1b\n"
-                       ".previous"
-                       : "=&r" (tmp), "=m" (lock->lock)
-                       : "m"(lock->lock) : "memory");
-}
-
-static inline void spin_unlock(spinlock_t *lock)
-{
-       read_barrier();
-       lock->lock = 0;
-}
+#define write_barrier()                __asm__ __volatile__("wmb": : :"memory")
 
 #endif