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s390: use asm-generic/mmu_context.h for no-op implementations 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: linux-s390@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Nicholas Piggin 2020-09-02 00:15:34 +10:00 committed by Arnd Bergmann
parent 2b56290d9f
commit 93e2dfd394
1 changed files with 4 additions and 5 deletions
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9
arch/s390/include/asm/mmu_context.h
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@ -15,6 +15,7 @@
#include <asm/ctl_reg.h>
#include <asm-generic/mm_hooks.h>
#define init_new_context init_new_context
static inline int init_new_context(struct task_struct *tsk,
struct mm_struct *mm)
{
@ -69,8 +70,6 @@ static inline int init_new_context(struct task_struct *tsk,
return 0;
}
#define destroy_context(mm) do { } while (0)
static inline void set_user_asce(struct mm_struct *mm)
{
S390_lowcore.user_asce = mm->context.asce;
@ -125,9 +124,7 @@ static inline void finish_arch_post_lock_switch(void)
set_fs(current->thread.mm_segment);
}
#define enter_lazy_tlb(mm,tsk) do { } while (0)
#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm activate_mm
static inline void activate_mm(struct mm_struct *prev,
struct mm_struct *next)
{
@ -136,4 +133,6 @@ static inline void activate_mm(struct mm_struct *prev,
set_user_asce(next);
}
#include <asm-generic/mmu_context.h>
#endif /* __S390_MMU_CONTEXT_H */