2020-08-26 14:56:22

by Nicholas Piggin

Subject: [PATCH v2 12/23] nds32: use asm-generic/mmu_context.h for no-op implementations

Cc: Nick Hu <[email protected]>
Cc: Greentime Hu <[email protected]>
Cc: Vincent Chen <[email protected]>
Signed-off-by: Nicholas Piggin <[email protected]>
---
arch/nds32/include/asm/mmu_context.h | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/nds32/include/asm/mmu_context.h b/arch/nds32/include/asm/mmu_context.h
index b8fd3d189fdc..c651bc8cacdc 100644
--- a/arch/nds32/include/asm/mmu_context.h
+++ b/arch/nds32/include/asm/mmu_context.h
@@ -9,6 +9,7 @@
#include <asm/proc-fns.h>
#include <asm-generic/mm_hooks.h>

+#define init_new_context init_new_context
static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
@@ -16,8 +17,6 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
return 0;
}

-#define destroy_context(mm) do { } while(0)
-
#define CID_BITS 9
extern spinlock_t cid_lock;
extern unsigned int cpu_last_cid;
@@ -47,10 +46,6 @@ static inline void check_context(struct mm_struct *mm)
__new_context(mm);
}

-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk)
{
@@ -62,7 +57,6 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
}
}

-#define deactivate_mm(tsk,mm) do { } while (0)
-#define activate_mm(prev,next) switch_mm(prev, next, NULL)
+#include <asm-generic/mmu_context.h>

#endif
--
2.23.0

2020-08-28 10:14:07

by Greentime Hu

Subject: Re: [PATCH v2 12/23] nds32: use asm-generic/mmu_context.h for no-op implementations

Nicholas Piggin <[email protected]> 於 2020年8月26日 週三 下午10:53寫道：
>
> Cc: Nick Hu <[email protected]>
> Cc: Greentime Hu <[email protected]>
> Cc: Vincent Chen <[email protected]>
> Signed-off-by: Nicholas Piggin <[email protected]>
> ---
> arch/nds32/include/asm/mmu_context.h | 10 ++--------
> 1 file changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/arch/nds32/include/asm/mmu_context.h b/arch/nds32/include/asm/mmu_context.h
> index b8fd3d189fdc..c651bc8cacdc 100644
> --- a/arch/nds32/include/asm/mmu_context.h
> +++ b/arch/nds32/include/asm/mmu_context.h
> @@ -9,6 +9,7 @@
> #include <asm/proc-fns.h>
> #include <asm-generic/mm_hooks.h>
>
> +#define init_new_context init_new_context
> static inline int
> init_new_context(struct task_struct *tsk, struct mm_struct *mm)
> {
> @@ -16,8 +17,6 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
> return 0;
> }
>
> -#define destroy_context(mm) do { } while(0)
> -
> #define CID_BITS 9
> extern spinlock_t cid_lock;
> extern unsigned int cpu_last_cid;
> @@ -47,10 +46,6 @@ static inline void check_context(struct mm_struct *mm)
> __new_context(mm);
> }
>
> -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
> -{
> -}
> -
> static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
> struct task_struct *tsk)
> {
> @@ -62,7 +57,6 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
> }
> }
>
> -#define deactivate_mm(tsk,mm) do { } while (0)
> -#define activate_mm(prev,next) switch_mm(prev, next, NULL)
> +#include <asm-generic/mmu_context.h>
>
> #endif

Acked-by: Greentime Hu <[email protected]>
Thank you. :)