X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-ppc%2Fsystem.h;h=d84a3cf4d033682b48dadecd7249b13c8b6419b9;hb=5c34202b8bf942da411b6599668a76b07449bbfd;hp=212dca66fcac28f7a38fb994149997c58be6e0c5;hpb=4dc7a0bbeb6882ad665e588e82fabe5bb4645f2f;p=linux-2.6 diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h index 212dca66fc..d84a3cf4d0 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 @@ -163,7 +169,6 @@ 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) {