[PATCH] Remove debug.h from rio.h (unused file)

[linux-2.6] / include / asm-powerpc / system.h

diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 0c58e32a9570525ec4a2f036413d4cabfa69c10d..d9bf53653b10de8175fba20f16be1b9840a5f61a 100644 (file)
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -133,6 +133,14 @@ extern int fix_alignment(struct pt_regs *);
 extern void cvt_fd(float *from, double *to, struct thread_struct *thread);
 extern void cvt_df(double *from, float *to, struct thread_struct *thread);
 
+#ifndef CONFIG_SMP
+extern void discard_lazy_cpu_state(void);
+#else
+static inline void discard_lazy_cpu_state(void)
+{
+}
+#endif
+
 #ifdef CONFIG_ALTIVEC
 extern void flush_altivec_to_thread(struct task_struct *);
 #else
@@ -175,6 +183,16 @@ struct thread_struct;
 extern struct task_struct *_switch(struct thread_struct *prev,
                                   struct thread_struct *next);
 
+/*
+ * 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)
+{
+}
+
 extern unsigned int rtas_data;
 extern int mem_init_done;      /* set on boot once kmalloc can be called */
 extern unsigned long memory_limit;
@@ -194,7 +212,7 @@ __xchg_u32(volatile void *p, unsigned long val)
        unsigned long prev;
 
        __asm__ __volatile__(
-       EIEIO_ON_SMP
+       LWSYNC_ON_SMP
 "1:    lwarx   %0,0,%2 \n"
        PPC405_ERR77(0,%2)
 "      stwcx.  %3,0,%2 \n\
@@ -214,7 +232,7 @@ __xchg_u64(volatile void *p, unsigned long val)
        unsigned long prev;
 
        __asm__ __volatile__(
-       EIEIO_ON_SMP
+       LWSYNC_ON_SMP
 "1:    ldarx   %0,0,%2 \n"
        PPC405_ERR77(0,%2)
 "      stdcx.  %3,0,%2 \n\
@@ -269,7 +287,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
        unsigned int prev;
 
        __asm__ __volatile__ (
-       EIEIO_ON_SMP
+       LWSYNC_ON_SMP
 "1:    lwarx   %0,0,%2         # __cmpxchg_u32\n\
        cmpw    0,%0,%3\n\
        bne-    2f\n"
@@ -293,7 +311,7 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
        unsigned long prev;
 
        __asm__ __volatile__ (
-       EIEIO_ON_SMP
+       LWSYNC_ON_SMP
 "1:    ldarx   %0,0,%2         # __cmpxchg_u64\n\
        cmpd    0,%0,%3\n\
        bne-    2f\n\