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[v2,07/23] hexagon: use asm-generic/mmu_context.h for no-op implementations

Message ID 20200826145249.745432-8-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 Aug. 26, 2020, 2:52 p.m. UTC 
Cc: linux-hexagon@vger.kernel.org
Acked-by: Brian Cain <bcain@codeaurora.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/hexagon/include/asm/mmu_context.h | 33 ++++----------------------
 1 file changed, 5 insertions(+), 28 deletions(-)
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Patch

diff --git a/arch/hexagon/include/asm/mmu_context.h b/arch/hexagon/include/asm/mmu_context.h
index cdc4adc0300a..81947764c47d 100644
--- a/arch/hexagon/include/asm/mmu_context.h
+++ b/arch/hexagon/include/asm/mmu_context.h
@@ -15,39 +15,13 @@ 
 #include <asm/pgalloc.h>
 #include <asm/mem-layout.h>
 
-static inline void destroy_context(struct mm_struct *mm)
-{
-}
-
 /*
  * VM port hides all TLB management, so "lazy TLB" isn't very
  * meaningful.  Even for ports to architectures with visble TLBs,
  * this is almost invariably a null function.
+ *
+ * mm->context is set up by pgd_alloc, so no init_new_context required.
  */
-static inline void enter_lazy_tlb(struct mm_struct *mm,
-	struct task_struct *tsk)
-{
-}
-
-/*
- * Architecture-specific actions, if any, for memory map deactivation.
- */
-static inline void deactivate_mm(struct task_struct *tsk,
-	struct mm_struct *mm)
-{
-}
-
-/**
- * init_new_context - initialize context related info for new mm_struct instance
- * @tsk: pointer to a task struct
- * @mm: pointer to a new mm struct
- */
-static inline int init_new_context(struct task_struct *tsk,
-					struct mm_struct *mm)
-{
-	/* mm->context is set up by pgd_alloc */
-	return 0;
-}
 
 /*
  *  Switch active mm context
@@ -74,6 +48,7 @@  static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
 /*
  *  Activate new memory map for task
  */
+#define activate_mm activate_mm
 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
 {
 	unsigned long flags;
@@ -86,4 +61,6 @@  static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
 /*  Generic hooks for arch_dup_mmap and arch_exit_mmap  */
 #include <asm-generic/mm_hooks.h>
 
+#include <asm-generic/mmu_context.h>
+
 #endif