linux-kernel - Re: [PATCH v2 15/23] parisc: use asm-generic/mmu

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Message-ID: <05545df2-416a-a034-059a-a8404292143e@gmx.de>
Date:   Sat, 29 Aug 2020 11:09:06 +0200
From:   Helge Deller <deller@....de>
To:     Nicholas Piggin <npiggin@...il.com>, linux-arch@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Arnd Bergmann <arnd@...db.de>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        linux-parisc@...r.kernel.org
Subject: Re: [PATCH v2 15/23] parisc: use asm-generic/mmu_context.h for no-op
 implementations

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

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