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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-18 03:13:17 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 09:55:19 +0400 |
| commit | 8ede0bdb63305d3353efd97e9af6210afb05734e (patch) | |
| tree | a9500a323d0a2dcadca43c23b5c20186f6d9b724 /include/asm-um/mmu_context.h | |
| parent | 8569c9140bd41089f9b6be8837ca421102714a90 (diff) | |
| download | linux-8ede0bdb63305d3353efd97e9af6210afb05734e.tar.xz | |
x86, um: initial part of asm-um move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-um/mmu_context.h')
| -rw-r--r-- | include/asm-um/mmu_context.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/include/asm-um/mmu_context.h b/include/asm-um/mmu_context.h deleted file mode 100644 index 54f42e8b0105..000000000000 --- a/include/asm-um/mmu_context.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __UM_MMU_CONTEXT_H -#define __UM_MMU_CONTEXT_H - -#include "linux/sched.h" -#include "um_mmu.h" - -extern void arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm); -extern void arch_exit_mmap(struct mm_struct *mm); - -#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 sys_unshare() - * when the new ->mm is used for the first time. - */ - __switch_mm(&new->context.id); - arch_dup_mmap(old, new); -} - -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) - __switch_mm(&next->context.id); - } -} - -static inline void enter_lazy_tlb(struct mm_struct *mm, - struct task_struct *tsk) -{ -} - -extern int init_new_context(struct task_struct *task, struct mm_struct *mm); - -extern void destroy_context(struct mm_struct *mm); - -#endif |