arch/cris/include/asm/mmu_context.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __CRIS_MMU_CONTEXT_H
   3 #define __CRIS_MMU_CONTEXT_H
   4
   5 #include <asm-generic/mm_hooks.h>
   6
   7 extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
   8 extern void get_mmu_context(struct mm_struct *mm);
   9 extern void destroy_context(struct mm_struct *mm);
  10 extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  11                       struct task_struct *tsk);
  12
  13 #define deactivate_mm(tsk,mm)   do { } while (0)
  14
  15 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
  16 {
  17         unsigned long flags;
  18
  19         local_irq_save(flags);
  20         switch_mm(prev, next, NULL);
  21         local_irq_restore(flags);
  22 }
  23
  24 /* current active pgd - this is similar to other processors pgd
  25  * registers like cr3 on the i386
  26  */
  27
  28 /* defined in arch/cris/mm/fault.c */
  29 DECLARE_PER_CPU(pgd_t *, current_pgd);
  30
  31 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
  32 {
  33 }
  34
  35 #endif