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nios2: use asm-generic/mmu_context.h for no-op implementations 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Nicholas Piggin 2020-09-02 00:15:29 +10:00 committed by Arnd Bergmann
parent f62408e035
commit e2e251cc47
1 changed files with 4 additions and 17 deletions
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21
arch/nios2/include/asm/mmu_context.h
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@ -26,16 +26,13 @@ extern unsigned long get_pid_from_context(mm_context_t *ctx);
*/
extern pgd_t *pgd_current;
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
/*
* Initialize the context related info for a new mm_struct instance.
*
* Set all new contexts to 0, that way the generation will never match
* the currently running generation when this context is switched in.
*/
#define init_new_context init_new_context
static inline int init_new_context(struct task_struct *tsk,
struct mm_struct *mm)
{
@ -43,26 +40,16 @@ static inline int init_new_context(struct task_struct *tsk,
return 0;
}
/*
* Destroy context related info for an mm_struct that is about
* to be put to rest.
*/
static inline void destroy_context(struct mm_struct *mm)
{
}
void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk);
static inline void deactivate_mm(struct task_struct *tsk,
struct mm_struct *mm)
{
}
/*
* After we have set current->mm to a new value, this activates
* the context for the new mm so we see the new mappings.
*/
#define activate_mm activate_mm
void activate_mm(struct mm_struct *prev, struct mm_struct *next);
#include <asm-generic/mmu_context.h>
#endif /* _ASM_NIOS2_MMU_CONTEXT_H */