[PATCH 22/24] unicore32: use asm-generic/mmu_context.h for no-op implementations

From: Nicholas Piggin
Date: Mon Jul 27 2020 - 23:35:48 EST


Cc: Guan Xuetao <gxt@xxxxxxxxxx>
Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
---
arch/unicore32/include/asm/mmu_context.h | 24 +++---------------------
1 file changed, 3 insertions(+), 21 deletions(-)

diff --git a/arch/unicore32/include/asm/mmu_context.h b/arch/unicore32/include/asm/mmu_context.h
index 388c0c811c68..e1751cb5439c 100644
--- a/arch/unicore32/include/asm/mmu_context.h
+++ b/arch/unicore32/include/asm/mmu_context.h
@@ -18,24 +18,6 @@
#include <asm/cacheflush.h>
#include <asm/cpu-single.h>

-#define init_new_context(tsk, mm) 0
-
-#define destroy_context(mm) do { } while (0)
-
-/*
- * This is called when "tsk" is about to enter lazy TLB mode.
- *
- * mm: describes the currently active mm context
- * tsk: task which is entering lazy tlb
- * cpu: cpu number which is entering lazy tlb
- *
- * tsk->mm will be NULL
- */
-static inline void
-enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
/*
* This is the actual mm switch as far as the scheduler
* is concerned. No registers are touched. We avoid
@@ -52,9 +34,6 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
cpu_switch_mm(next->pgd, next);
}

-#define deactivate_mm(tsk, mm) do { } while (0)
-#define activate_mm(prev, next) switch_mm(prev, next, NULL)
-
/*
* We are inserting a "fake" vma for the user-accessible vector page so
* gdb and friends can get to it through ptrace and /proc/<pid>/mem.
@@ -95,4 +74,7 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
/* by default, allow everything */
return true;
}
+
+#include <asm-generic/mmu_context.h>
+
#endif
--
2.23.0