X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-ppc%2Fsystem.h;h=f1311a8f310fe9e3c75c28a1d47644c2f1db3465;hb=40b42f1ebf653cd72c32eb1a1a0b9fea2dfbfd7d;hp=bd99cb53a19fb512b024e6a184f8f7b3359102ea;hpb=c2cc87ca9561ddfe744d446789cc10f507e87db9;p=linux-2.6 diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h index bd99cb53a1..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 #include -#include #include /* @@ -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) {