2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #ifndef __UM_MMU_CONTEXT_H
7 #define __UM_MMU_CONTEXT_H
9 #include "linux/sched.h"
10 #include "linux/config.h"
11 #include "choose-mode.h"
14 #define get_mmu_context(task) do ; while(0)
15 #define activate_context(tsk) do ; while(0)
17 #define deactivate_mm(tsk,mm) do { } while (0)
19 extern void force_flush_all(void);
21 static inline void activate_mm(struct mm_struct *old, struct mm_struct *new)
27 static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
28 struct task_struct *tsk)
30 unsigned cpu = smp_processor_id();
33 cpu_clear(cpu, prev->cpu_vm_mask);
34 cpu_set(cpu, next->cpu_vm_mask);
37 switch_mm_skas(&next->context.skas.id));
41 static inline void enter_lazy_tlb(struct mm_struct *mm,
42 struct task_struct *tsk)
46 extern int init_new_context_skas(struct task_struct *task,
47 struct mm_struct *mm);
49 static inline int init_new_context_tt(struct task_struct *task,
55 static inline int init_new_context(struct task_struct *task,
58 return(CHOOSE_MODE_PROC(init_new_context_tt, init_new_context_skas,
62 extern void destroy_context_skas(struct mm_struct *mm);
64 static inline void destroy_context(struct mm_struct *mm)
66 CHOOSE_MODE((void) 0, destroy_context_skas(mm));
72 * Overrides for Emacs so that we follow Linus's tabbing style.
73 * Emacs will notice this stuff at the end of the file and automatically
74 * adjust the settings for this buffer only. This must remain at the end
76 * ---------------------------------------------------------------------------
78 * c-file-style: "linux"