diff mbox series

[v3,09/23] m68k: use asm-generic/mmu_context.h for no-op implementations

Message ID 20200901141539.1757549-10-npiggin@gmail.com (mailing list archive)
State New, archived
Headers show
Series Use asm-generic for mmu_context no-op functions | expand

Commit Message

Nicholas Piggin Sept. 1, 2020, 2:15 p.m. UTC 
Cc: linux-m68k@lists.linux-m68k.org
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/m68k/include/asm/mmu_context.h | 37 +++++++----------------------
 1 file changed, 9 insertions(+), 28 deletions(-)
diff mbox series

Patch

diff --git a/arch/m68k/include/asm/mmu_context.h b/arch/m68k/include/asm/mmu_context.h
index 993fd7e37069..d12d8a9032f6 100644
--- a/arch/m68k/include/asm/mmu_context.h
+++ b/arch/m68k/include/asm/mmu_context.h
@@ -5,10 +5,6 @@ 
 #include <asm-generic/mm_hooks.h>
 #include <linux/mm_types.h>
 
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
 #ifdef CONFIG_MMU
 
 #if defined(CONFIG_COLDFIRE)
@@ -58,6 +54,7 @@  static inline void get_mmu_context(struct mm_struct *mm)
 /*
  * We're finished using the context for an address space.
  */
+#define destroy_context destroy_context
 static inline void destroy_context(struct mm_struct *mm)
 {
 	if (mm->context != NO_CONTEXT) {
@@ -83,6 +80,7 @@  static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  * 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 *active_mm,
 	struct mm_struct *mm)
 {
@@ -90,8 +88,6 @@  static inline void activate_mm(struct mm_struct *active_mm,
 	set_context(mm->context, mm->pgd);
 }
 
-#define deactivate_mm(tsk, mm) do { } while (0)
-
 #define prepare_arch_switch(next) load_ksp_mmu(next)
 
 static inline void load_ksp_mmu(struct task_struct *task)
@@ -176,6 +172,7 @@  extern unsigned long get_free_context(struct mm_struct *mm);
 extern void clear_context(unsigned long context);
 
 /* set the context for a new task to unmapped */
+#define init_new_context init_new_context
 static inline int init_new_context(struct task_struct *tsk,
 				   struct mm_struct *mm)
 {
@@ -210,8 +207,7 @@  static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
 	activate_context(tsk->mm);
 }
 
-#define deactivate_mm(tsk, mm)	do { } while (0)
-
+#define activate_mm activate_mm
 static inline void activate_mm(struct mm_struct *prev_mm,
 			       struct mm_struct *next_mm)
 {
@@ -224,6 +220,7 @@  static inline void activate_mm(struct mm_struct *prev_mm,
 #include <asm/page.h>
 #include <asm/cacheflush.h>
 
+#define init_new_context init_new_context
 static inline int init_new_context(struct task_struct *tsk,
 				   struct mm_struct *mm)
 {
@@ -231,8 +228,6 @@  static inline int init_new_context(struct task_struct *tsk,
 	return 0;
 }
 
-#define destroy_context(mm)		do { } while(0)
-
 static inline void switch_mm_0230(struct mm_struct *mm)
 {
 	unsigned long crp[2] = {
@@ -300,8 +295,7 @@  static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, str
 	}
 }
 
-#define deactivate_mm(tsk,mm)	do { } while (0)
-
+#define activate_mm activate_mm
 static inline void activate_mm(struct mm_struct *prev_mm,
 			       struct mm_struct *next_mm)
 {
@@ -315,24 +309,11 @@  static inline void activate_mm(struct mm_struct *prev_mm,
 
 #endif
 
-#else /* !CONFIG_MMU */
-
-static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
-{
-	return 0;
-}
-
-
-static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk)
-{
-}
+#include <asm-generic/mmu_context.h>
 
-#define destroy_context(mm)	do { } while (0)
-#define deactivate_mm(tsk,mm)	do { } while (0)
+#else /* !CONFIG_MMU */
 
-static inline void activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
-{
-}
+#include <asm-generic/nommu_context.h>
 
 #endif /* CONFIG_MMU */
 #endif /* __M68K_MMU_CONTEXT_H */