[PATCH v2 18/23] s390: use asm-generic/mmu_context.h for no-op implementations

Nicholas Piggin
2020-08-26T14:55:59Z

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: Nicholas Piggin <npiggin@gmail.com>
---
arch/s390/include/asm/mmu_context.h | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index c9f3d8a52756..66f9cf0a07e3 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -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 */
--
2.23.0