X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm26%2Fsystem.h;h=00ae32aa1dbaf2f1ad0ac3e86d66b55d09581b1b;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=6361b6c71f8c4c46129da71cbe4e2ce13d171822;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/include/asm-arm26/system.h b/include/asm-arm26/system.h
index 6361b6c71..00ae32aa1 100644
--- a/include/asm-arm26/system.h
+++ b/include/asm-arm26/system.h
@@ -3,7 +3,6 @@
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
 
 /*
  * This is used to ensure the compiler did actually allocate the register we
@@ -91,16 +90,14 @@ extern unsigned int user_debug;
 
 #define read_barrier_depends() do { } while(0)
 #define set_mb(var, value)  do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
 
 /*
  * We assume knowledge of how
  * spin_unlock_irq() and friends are implemented.  This avoids
  * us needlessly decrementing and incrementing the preempt count.
  */
-#define prepare_arch_switch(rq,next)	local_irq_enable()
-#define finish_arch_switch(rq,prev)	spin_unlock(&(rq)->lock)
-#define task_running(rq,p)		((rq)->curr == (p))
+#define prepare_arch_switch(next)	local_irq_enable()
+#define finish_arch_switch(prev)	spin_unlock(&(rq)->lock)
 
 /*
  * switch_to(prev, next) should switch from task `prev' to `next'
@@ -111,9 +108,19 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_info
 
 #define switch_to(prev,next,last)					\
 do {									\
-	last = __switch_to(prev,prev->thread_info,next->thread_info);	\
+	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
  */
@@ -245,6 +252,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
 
 #endif /* __ASSEMBLY__ */
 
+#define arch_align_stack(x) (x)
+
 #endif /* __KERNEL__ */
 
 #endif