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

Signed-off-by: Nicholas Piggin <[email protected]> Acked-by: Michael Ellerman <[email protected]> (powerpc) Cc: [email protected] Signed-off-by: Arnd Bergmann <[email protected]>
berg · Oct 27, 2020 · f4b90e3 · f4b90e3
1 parent 4146bda
commit f4b90e3
Showing 1 changed file with 8 additions and 5 deletions.
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
@@ -14,7 +14,9 @@
 /*
  * Most if the context management is out of line
  */
+#define init_new_context init_new_context
 extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+#define destroy_context destroy_context
 extern void destroy_context(struct mm_struct *mm);
 #ifdef CONFIG_SPAPR_TCE_IOMMU
 struct mm_iommu_table_group_mem_t;
@@ -235,27 +237,26 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
 }
 #define switch_mm_irqs_off switch_mm_irqs_off
 
-
-#define deactivate_mm(tsk,mm)	do { } while (0)
-
 /*
  * 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
 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
 {
 	switch_mm_irqs_off(prev, next, current);
 }
 
 /* We don't currently use enter_lazy_tlb() for anything */
+#ifdef CONFIG_PPC_BOOK3E_64
+#define enter_lazy_tlb enter_lazy_tlb
 static inline void enter_lazy_tlb(struct mm_struct *mm,
 				  struct task_struct *tsk)
 {
 	/* 64-bit Book3E keeps track of current PGD in the PACA */
-#ifdef CONFIG_PPC_BOOK3E_64
 	get_paca()->pgd = NULL;
-#endif
 }
+#endif
 
 extern void arch_exit_mmap(struct mm_struct *mm);
 
@@ -298,5 +299,7 @@ static inline int arch_dup_mmap(struct mm_struct *oldmm,
 	return 0;
 }
 
+#include <asm-generic/mmu_context.h>
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_POWERPC_MMU_CONTEXT_H */