[PATCH v2 15/23] parisc: use asm-generic/mmu_context.h for no-op implementations

[PATCH v2 15/23] parisc: use asm-generic/mmu_context.h for no-op implementations

[Nicholas Piggin]

Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/parisc/include/asm/mmu_context.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
index cb5f2f730421..46f8c22c5977 100644
--- a/arch/parisc/include/asm/mmu_context.h
+++ b/arch/parisc/include/asm/mmu_context.h
@@ -7,16 +7,13 @@
 #include <linux/atomic.h>
 #include <asm-generic/mm_hooks.h>
 
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
 /* on PA-RISC, we actually have enough contexts to justify an allocator
  * for them.  prumpf */
 
 extern unsigned long alloc_sid(void);
 extern void free_sid(unsigned long);
 
+#define init_new_context init_new_context
 static inline int
 init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 {
@@ -26,6 +23,7 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 	return 0;
 }
 
+#define destroy_context destroy_context
 static inline void
 destroy_context(struct mm_struct *mm)
 {
@@ -71,8 +69,7 @@ static inline void switch_mm(struct mm_struct *prev,
 }
 #define switch_mm_irqs_off switch_mm_irqs_off
 
-#define deactivate_mm(tsk,mm)	do { } while (0)
-
+#define activate_mm activate_mm
 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
 {
 	/*
@@ -90,4 +87,7 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
 
 	switch_mm(prev,next,current);
 }
+
+#include <asm-generic/mmu_context.h>
+
 #endif
-- 
2.23.0

Re: [PATCH v2 15/23] parisc: use asm-generic/mmu_context.h for no-op implementations

[Helge Deller]

On 26.08.20 16:52, Nicholas Piggin wrote:
> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
> Cc: Helge Deller <deller@gmx.de>
> Cc: linux-parisc@vger.kernel.org
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

Acked-by: Helge Deller <deller@gmx.de>

> ---
>  arch/parisc/include/asm/mmu_context.h | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
> index cb5f2f730421..46f8c22c5977 100644
> --- a/arch/parisc/include/asm/mmu_context.h
> +++ b/arch/parisc/include/asm/mmu_context.h
> @@ -7,16 +7,13 @@
>  #include <linux/atomic.h>
>  #include <asm-generic/mm_hooks.h>
>
> -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
> -{
> -}
> -
>  /* on PA-RISC, we actually have enough contexts to justify an allocator
>   * for them.  prumpf */
>
>  extern unsigned long alloc_sid(void);
>  extern void free_sid(unsigned long);
>
> +#define init_new_context init_new_context
>  static inline int
>  init_new_context(struct task_struct *tsk, struct mm_struct *mm)
>  {
> @@ -26,6 +23,7 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
>  	return 0;
>  }
>
> +#define destroy_context destroy_context
>  static inline void
>  destroy_context(struct mm_struct *mm)
>  {
> @@ -71,8 +69,7 @@ static inline void switch_mm(struct mm_struct *prev,
>  }
>  #define switch_mm_irqs_off switch_mm_irqs_off
>
> -#define deactivate_mm(tsk,mm)	do { } while (0)
> -
> +#define activate_mm activate_mm
>  static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
>  {
>  	/*
> @@ -90,4 +87,7 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
>
>  	switch_mm(prev,next,current);
>  }
> +
> +#include <asm-generic/mmu_context.h>
> +
>  #endif
>