#define xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
-
extern asmlinkage void __backtrace(void);
#define set_cr(x) \
last = __switch_to(prev,task_thread_info(prev),task_thread_info(next)); \
} while (0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
/*
* Save the current interrupt enable state & disable IRQs
*/