mips: use asm-generic/mmu_context.h for no-op implementations

Signed-off-by: Nicholas Piggin <[e-mail]>
Acked-by: Thomas Bogendoerfer <[e-mail]>
Cc: Thomas Bogendoerfer <[e-mail]>
Cc: [e-mail]
Signed-off-by: Arnd Bergmann <[e-mail]>

arch/mips/include/asm/mmu_context.h

···
 #define cpu_asid(cpu, mm) \
 	(cpu_context((cpu), (mm)) & cpu_asid_mask(&cpu_data[cpu]))
 
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
 extern void get_new_mmu_context(struct mm_struct *mm);
 extern void check_mmu_context(struct mm_struct *mm);
 extern void check_switch_mmu_context(struct mm_struct *mm);
···
  * Initialize the context related info for a new mm_struct
  * instance.
  */
+#define init_new_context init_new_context
 static inline int
 init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 {
···
  * Destroy context related info for an mm_struct that is about
  * to be put to rest.
  */
+#define destroy_context destroy_context
 static inline void destroy_context(struct mm_struct *mm)
 {
 	dsemul_mm_cleanup(mm);
 }
-
-#define activate_mm(prev, next)	switch_mm(prev, next, current)
-#define deactivate_mm(tsk, mm)	do { } while (0)
 
 static inline void
 drop_mmu_context(struct mm_struct *mm)
···
 
 	local_irq_restore(flags);
 }
+
+#include <asm-generic/mmu_context.h>
 
 #endif /* _ASM_MMU_CONTEXT_H */