2020-09-01 14:24:57

by Nicholas Piggin

Subject: [PATCH v3 02/23] alpha: use asm-generic/mmu_context.h for no-op implementations

Cc: Richard Henderson <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: [email protected]
Signed-off-by: Nicholas Piggin <[email protected]>
---

Please ack or nack if you object to this being mered via
Arnd's tree.

arch/alpha/include/asm/mmu_context.h | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/alpha/include/asm/mmu_context.h b/arch/alpha/include/asm/mmu_context.h
index 6d7d9bc1b4b8..4eea7c616992 100644
--- a/arch/alpha/include/asm/mmu_context.h
+++ b/arch/alpha/include/asm/mmu_context.h
@@ -214,8 +214,6 @@ ev4_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
tbiap();
}

-#define deactivate_mm(tsk,mm) do { } while (0)
-
#ifdef CONFIG_ALPHA_GENERIC
# define switch_mm(a,b,c) alpha_mv.mv_switch_mm((a),(b),(c))
# define activate_mm(x,y) alpha_mv.mv_activate_mm((x),(y))
@@ -229,6 +227,7 @@ ev4_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
# endif
#endif

+#define init_new_context init_new_context
static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
@@ -242,12 +241,7 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
return 0;
}

-extern inline void
-destroy_context(struct mm_struct *mm)
-{
- /* Nothing to do. */
-}
-
+#define enter_lazy_tlb enter_lazy_tlb
static inline void
enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
@@ -255,6 +249,8 @@ enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
= ((unsigned long)mm->pgd - IDENT_ADDR) >> PAGE_SHIFT;
}

+#include <asm-generic/mmu_context.h>
+
#ifdef __MMU_EXTERN_INLINE
#undef __EXTERN_INLINE
#undef __MMU_EXTERN_INLINE
--
2.23.0

2020-09-01 16:53:48

by Matt Turner

Subject: Re: [PATCH v3 02/23] alpha: use asm-generic/mmu_context.h for no-op implementations

On Tue, Sep 1, 2020 at 7:15 AM Nicholas Piggin <[email protected]> wrote:
>
> Cc: Richard Henderson <[email protected]>
> Cc: Ivan Kokshaysky <[email protected]>
> Cc: Matt Turner <[email protected]>
> Cc: [email protected]
> Signed-off-by: Nicholas Piggin <[email protected]>
> ---
>
> Please ack or nack if you object to this being mered via
> Arnd's tree.

That would be great.

Acked-by: Matt Turner <[email protected]>