| #ifndef __SPARC_MMU_CONTEXT_H | |
| #define __SPARC_MMU_CONTEXT_H | |
| #include <asm/btfixup.h> | |
| #ifndef __ASSEMBLY__ | |
| #include <asm-generic/mm_hooks.h> | |
| static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) | |
| { | |
| } | |
| /* | |
| * Initialize a new mmu context. This is invoked when a new | |
| * address space instance (unique or shared) is instantiated. | |
| */ | |
| #define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0) | |
| /* | |
| * Destroy a dead context. This occurs when mmput drops the | |
| * mm_users count to zero, the mmaps have been released, and | |
| * all the page tables have been flushed. Our job is to destroy | |
| * any remaining processor-specific state. | |
| */ | |
| BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *) | |
| #define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm) | |
| /* Switch the current MM context. */ | |
| BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *) | |
| #define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk) | |
| #define deactivate_mm(tsk,mm) do { } while (0) | |
| /* Activate a new MM instance for the current task. */ | |
| #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL) | |
| #endif /* !(__ASSEMBLY__) */ | |
| #endif /* !(__SPARC_MMU_CONTEXT_H) */ |