linux-kernel - [PATCH v2 11/23] mips: use asm-generic/mmu

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Date:   Thu, 27 Aug 2020 00:52:37 +1000
From:   Nicholas Piggin <npiggin@...il.com>
To:     linux-arch@...r.kernel.org
Cc:     Nicholas Piggin <npiggin@...il.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Arnd Bergmann <arnd@...db.de>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org
Subject: [PATCH v2 11/23] mips: use asm-generic/mmu_context.h for no-op implementations

Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-mips@...r.kernel.org
Signed-off-by: Nicholas Piggin <npiggin@...il.com>
---
 arch/mips/include/asm/mmu_context.h | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index cddead91acd4..ed9f2d748f63 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -124,10 +124,6 @@ static inline void set_cpu_context(unsigned int cpu,
 #define cpu_asid(cpu, mm) \
 	(cpu_context((cpu), (mm)) & cpu_asid_mask(&cpu_data[cpu]))
 
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
 extern void get_new_mmu_context(struct mm_struct *mm);
 extern void check_mmu_context(struct mm_struct *mm);
 extern void check_switch_mmu_context(struct mm_struct *mm);
@@ -136,6 +132,7 @@ extern void check_switch_mmu_context(struct mm_struct *mm);
  * Initialize the context related info for a new mm_struct
  * instance.
  */
+#define init_new_context init_new_context
 static inline int
 init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 {
@@ -180,14 +177,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  * Destroy context related info for an mm_struct that is about
  * to be put to rest.
  */
+#define destroy_context destroy_context
 static inline void destroy_context(struct mm_struct *mm)
 {
 	dsemul_mm_cleanup(mm);
 }
 
-#define activate_mm(prev, next)	switch_mm(prev, next, current)
-#define deactivate_mm(tsk, mm)	do { } while (0)
-
 static inline void
 drop_mmu_context(struct mm_struct *mm)
 {
@@ -237,4 +232,6 @@ drop_mmu_context(struct mm_struct *mm)
 	local_irq_restore(flags);
 }
 
+#include <asm-generic/mmu_context.h>
+
 #endif /* _ASM_MMU_CONTEXT_H */
-- 
2.23.0