diff options
Diffstat (limited to 'include/asm-mips/system.h')
| -rw-r--r-- | include/asm-mips/system.h | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h index bb0b289dbc9e..76339165bc20 100644 --- a/include/asm-mips/system.h +++ b/include/asm-mips/system.h @@ -44,7 +44,7 @@ struct task_struct; * different thread. */ -#define switch_to(prev,next,last) \ +#define __mips_mt_fpaff_switch_to(prev) \ do { \ if (cpu_has_fpu && \ (prev->thread.mflags & MF_FPUBOUND) && \ @@ -52,34 +52,24 @@ do { \ prev->thread.mflags &= ~MF_FPUBOUND; \ prev->cpus_allowed = prev->thread.user_cpus_allowed; \ } \ - if (cpu_has_dsp) \ - __save_dsp(prev); \ next->thread.emulated_fp = 0; \ - (last) = resume(prev, next, task_thread_info(next)); \ - if (cpu_has_dsp) \ - __restore_dsp(current); \ } while(0) #else +#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0) +#endif + #define switch_to(prev,next,last) \ do { \ + __mips_mt_fpaff_switch_to(prev); \ if (cpu_has_dsp) \ __save_dsp(prev); \ (last) = resume(prev, next, task_thread_info(next)); \ if (cpu_has_dsp) \ __restore_dsp(current); \ + if (cpu_has_userlocal) \ + write_c0_userlocal(task_thread_info(current)->tp_value);\ } while(0) -#endif - -/* - * 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) -{ -} static inline unsigned long __xchg_u32(volatile int * m, unsigned int val) { |