#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) */