X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-ppc%2Fsystem.h;h=f1311a8f310fe9e3c75c28a1d47644c2f1db3465;hb=f745bb1c73e2395e6b9961d4d915a8f8e2cd32cd;hp=212dca66fcac28f7a38fb994149997c58be6e0c5;hpb=4dc7a0bbeb6882ad665e588e82fabe5bb4645f2f;p=linux-2.6

diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h
index 212dca66fc..f1311a8f31 100644
--- a/include/asm-ppc/system.h
+++ b/include/asm-ppc/system.h
@@ -4,10 +4,8 @@
 #ifndef __PPC_SYSTEM_H
 #define __PPC_SYSTEM_H
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 
-#include <asm/atomic.h>
 #include <asm/hw_irq.h>
 
 /*
@@ -34,12 +32,11 @@
 #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)
 
 #ifdef CONFIG_SMP
 #define smp_mb()	mb()
 #define smp_rmb()	rmb()
-#define smp_wmb()	wmb()
+#define smp_wmb()	__asm__ __volatile__ ("eieio" : : : "memory")
 #define smp_read_barrier_depends()	read_barrier_depends()
 #else
 #define smp_mb()	barrier()
@@ -74,6 +71,7 @@ extern void chrp_nvram_init(void);
 extern void read_rtc_time(void);
 extern void pmac_find_display(void);
 extern void giveup_fpu(struct task_struct *);
+extern void disable_kernel_fp(void);
 extern void enable_kernel_fp(void);
 extern void flush_fp_to_thread(struct task_struct *);
 extern void enable_kernel_altivec(void);
@@ -86,6 +84,14 @@ 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
@@ -123,16 +129,6 @@ extern struct task_struct *__switch_to(struct task_struct *,
 	struct task_struct *);
 #define switch_to(prev, next, last)	((last) = __switch_to((prev), (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)
-{
-}
-
 struct thread_struct;
 extern struct task_struct *_switch(struct thread_struct *prev,
 				   struct thread_struct *next);
@@ -163,7 +159,6 @@ xchg_u32(volatile void *p, unsigned long val)
 extern void __xchg_called_with_bad_pointer(void);
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
 
 static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
 {