Re: [patch] 2.4.4 alpha semaphores optimization

From: Ivan Kokshaysky (ink@jurassic.park.msu.ru)
Date: Fri May 04 2001 - 11:46:16 EST

On Fri, May 04, 2001 at 10:22:53AM +0100, David Howells wrote:
> I don't know whether it will (a) compile, or (b) work... I don't have an alpha
> to play with.

Neither (a) nor (b) ;-) Corrected asm-alpha/rwsem.h attached.
Also small fix for lib/rwsem.c -- RWSEM_WAITING_BIAS-RWSEM_ACTIVE_BIAS
won't fit in the __s32 if counters are 64-bit.

--- linux/lib/rwsem.c.orig Sat Apr 28 00:58:28 2001
+++ linux/lib/rwsem.c Fri May 4 17:38:06 2001
@@ -112,7 +112,7 @@ static inline struct rw_semaphore *__rws
  */
 static inline struct rw_semaphore *rwsem_down_failed_common(struct rw_semaphore *sem,
                                                                  struct rwsem_waiter *waiter,
- __s32 adjustment)
+ signed long adjustment)
 {
         struct task_struct *tsk = current;
         signed long count;

Ivan.


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This archive was generated by hypermail 2b29 : Mon May 07 2001 - 21:00:20 EST