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SubjectRe: [PATCH 17/24] riscv: use asm-generic/mmu_context.h for no-op implementations
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On Mon, 27 Jul 2020 20:33:58 PDT (-0700), npiggin@gmail.com wrote:
> Cc: Paul Walmsley <paul.walmsley@sifive.com>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Albert Ou <aou@eecs.berkeley.edu>
> Cc: linux-riscv@lists.infradead.org
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
> arch/riscv/include/asm/mmu_context.h | 22 ++--------------------
> 1 file changed, 2 insertions(+), 20 deletions(-)
>
> diff --git a/arch/riscv/include/asm/mmu_context.h b/arch/riscv/include/asm/mmu_context.h
> index 67c463812e2d..250defa06f3a 100644
> --- a/arch/riscv/include/asm/mmu_context.h
> +++ b/arch/riscv/include/asm/mmu_context.h
> @@ -13,34 +13,16 @@
> #include <linux/mm.h>
> #include <linux/sched.h>
>
> -static inline void enter_lazy_tlb(struct mm_struct *mm,
> - struct task_struct *task)
> -{
> -}
> -
> -/* Initialize context-related info for a new mm_struct */
> -static inline int init_new_context(struct task_struct *task,
> - struct mm_struct *mm)
> -{
> - return 0;
> -}
> -
> -static inline void destroy_context(struct mm_struct *mm)
> -{
> -}
> -
> void switch_mm(struct mm_struct *prev, struct mm_struct *next,
> struct task_struct *task);
>
> +#define activate_mm activate_mm
> static inline void activate_mm(struct mm_struct *prev,
> struct mm_struct *next)
> {
> switch_mm(prev, next, NULL);
> }
>
> -static inline void deactivate_mm(struct task_struct *task,
> - struct mm_struct *mm)
> -{
> -}
> +#include <asm-generic/mmu_context.h>
>
> #endif /* _ASM_RISCV_MMU_CONTEXT_H */

Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>

I'm assuming this is going in along with the others. Thanks!

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