diff options
Diffstat (limited to 'include/asm-um/mmu_context.h')
| -rw-r--r-- | include/asm-um/mmu_context.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/include/asm-um/mmu_context.h b/include/asm-um/mmu_context.h deleted file mode 100644 index 9a0e48eb542..00000000000 --- a/include/asm-um/mmu_context.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __UM_MMU_CONTEXT_H -#define __UM_MMU_CONTEXT_H - -#include "linux/sched.h" -#include "linux/config.h" -#include "choose-mode.h" -#include "um_mmu.h" - -#define get_mmu_context(task) do ; while(0) -#define activate_context(tsk) do ; while(0) - -#define deactivate_mm(tsk,mm) do { } while (0) - -extern void force_flush_all(void); - -static inline void activate_mm(struct mm_struct *old, struct mm_struct *new) -{ - /* - * This is called by fs/exec.c and fs/aio.c. In the first case, for an - * exec, we don't need to do anything as we're called from userspace - * and thus going to use a new host PID. In the second, we're called - * from a kernel thread, and thus need to go doing the mmap's on the - * host. Since they're very expensive, we want to avoid that as far as - * possible. - */ - if (old != new && (current->flags & PF_BORROWED_MM)) - CHOOSE_MODE(force_flush_all(), - switch_mm_skas(&new->context.skas.id)); -} - -static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) -{ - unsigned cpu = smp_processor_id(); - - if(prev != next){ - cpu_clear(cpu, prev->cpu_vm_mask); - cpu_set(cpu, next->cpu_vm_mask); - if(next != &init_mm) - CHOOSE_MODE((void) 0, - switch_mm_skas(&next->context.skas.id)); - } -} - -static inline void enter_lazy_tlb(struct mm_struct *mm, - struct task_struct *tsk) -{ -} - -extern int init_new_context_skas(struct task_struct *task, - struct mm_struct *mm); - -static inline int init_new_context_tt(struct task_struct *task, - struct mm_struct *mm) -{ - return(0); -} - -static inline int init_new_context(struct task_struct *task, - struct mm_struct *mm) -{ - return(CHOOSE_MODE_PROC(init_new_context_tt, init_new_context_skas, - task, mm)); -} - -extern void destroy_context_skas(struct mm_struct *mm); - -static inline void destroy_context(struct mm_struct *mm) -{ - CHOOSE_MODE((void) 0, destroy_context_skas(mm)); -} - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |
