diff options
Diffstat (limited to 'arch/um/include/asm/mmu_context.h')
| -rw-r--r-- | arch/um/include/asm/mmu_context.h | 47 |
1 files changed, 9 insertions, 38 deletions
diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h index aa4a743dc4ab..c727e56ba116 100644 --- a/arch/um/include/asm/mmu_context.h +++ b/arch/um/include/asm/mmu_context.h @@ -1,58 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * 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 <asm/mmu.h> - -extern void uml_setup_stubs(struct mm_struct *mm); -extern void arch_exit_mmap(struct mm_struct *mm); - -#define deactivate_mm(tsk,mm) do { } while (0) - -extern void force_flush_all(void); +#include <linux/mm_types.h> +#include <linux/mmap_lock.h> -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); - down_write(&new->mmap_sem); - uml_setup_stubs(new); - up_write(&new->mmap_sem); -} +#include <asm/mm_hooks.h> +#include <asm/mmu.h> 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){ - cpumask_clear_cpu(cpu, mm_cpumask(prev)); - cpumask_set_cpu(cpu, mm_cpumask(next)); - if(next != &init_mm) - __switch_mm(&next->context.id); - } -} - -static inline void arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) -{ - uml_setup_stubs(mm); -} - -static inline void enter_lazy_tlb(struct mm_struct *mm, - struct task_struct *tsk) -{ } +#define init_new_context init_new_context extern int init_new_context(struct task_struct *task, struct mm_struct *mm); +#define destroy_context destroy_context extern void destroy_context(struct mm_struct *mm); +#include <asm-generic/mmu_context.h> + #endif |