diff options
Diffstat (limited to 'include/asm-alpha/system.h')
| -rw-r--r-- | include/asm-alpha/system.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h index 050e86d12891e..cc9c7e8cced5c 100644 --- a/include/asm-alpha/system.h +++ b/include/asm-alpha/system.h @@ -131,15 +131,25 @@ struct el_common_EV6_mcheck { extern void halt(void) __attribute__((noreturn)); #define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt)) -#define switch_to(P,N,L) \ - do { \ - (L) = alpha_switch_to(virt_to_phys(&(N)->thread_info->pcb), (P)); \ - check_mmu_context(); \ +#define switch_to(P,N,L) \ + do { \ + (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \ + check_mmu_context(); \ } while (0) struct task_struct; extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*); +/* + * 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) +{ +} + #define imb() \ __asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") |