Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfashe...

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

diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h
index bd99cb53a19fb512b024e6a184f8f7b3359102ea..f1311a8f310fe9e3c75c28a1d47644c2f1db3465 100644 (file)
--- 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
@@ -153,7 +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)
 {