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Diffstat (limited to 'arch/um/include/asm/mmu_context.h')
-rw-r--r--arch/um/include/asm/mmu_context.h59
1 files changed, 5 insertions, 54 deletions
diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h
index 17ddd4edf875..c727e56ba116 100644
--- a/arch/um/include/asm/mmu_context.h
+++ b/arch/um/include/asm/mmu_context.h
@@ -10,69 +10,20 @@
#include <linux/mm_types.h>
#include <linux/mmap_lock.h>
+#include <asm/mm_hooks.h>
#include <asm/mmu.h>
-extern void uml_setup_stubs(struct mm_struct *mm);
-/*
- * Needed since we do not use the asm-generic/mm_hooks.h:
- */
-static inline int arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm)
-{
- uml_setup_stubs(mm);
- return 0;
-}
-extern void arch_exit_mmap(struct mm_struct *mm);
-static inline void arch_unmap(struct mm_struct *mm,
- unsigned long start, unsigned long end)
-{
-}
-static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
- bool write, bool execute, bool foreign)
-{
- /* by default, allow everything */
- return true;
-}
-
-/*
- * end asm-generic/mm_hooks.h functions
- */
-
-#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);
- mmap_write_lock_nested(new, SINGLE_DEPTH_NESTING);
- uml_setup_stubs(new);
- mmap_write_unlock(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){
- 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 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