From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicholas Piggin Subject: [PATCH 13/24] nios2: use asm-generic/mmu_context.h for no-op implementations Date: Tue, 28 Jul 2020 13:33:54 +1000 Message-ID: <20200728033405.78469-14-npiggin@gmail.com> References: <20200728033405.78469-1-npiggin@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-arch@vger.kernel.org Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann , Ley Foon Tan List-Id: linux-arch.vger.kernel.org Cc: Ley Foon Tan Signed-off-by: Nicholas Piggin --- arch/nios2/include/asm/mmu_context.h | 21 ++++----------------- arch/nios2/mm/mmu_context.c | 1 + 2 files changed, 5 insertions(+), 17 deletions(-) diff --git a/arch/nios2/include/asm/mmu_context.h b/arch/nios2/include/asm/mmu_context.h index 78ab3dacf579..4f99ed09b5a7 100644 --- a/arch/nios2/include/asm/mmu_context.h +++ b/arch/nios2/include/asm/mmu_context.h @@ -26,16 +26,13 @@ extern unsigned long get_pid_from_context(mm_context_t *ctx); */ extern pgd_t *pgd_current; -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - /* * Initialize the context related info for a new mm_struct instance. * * Set all new contexts to 0, that way the generation will never match * the currently running generation when this context is switched in. */ +#define init_new_context init_new_context static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -43,26 +40,16 @@ static inline int init_new_context(struct task_struct *tsk, return 0; } -/* - * Destroy context related info for an mm_struct that is about - * to be put to rest. - */ -static inline void destroy_context(struct mm_struct *mm) -{ -} - void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk); -static inline void deactivate_mm(struct task_struct *tsk, - struct mm_struct *mm) -{ -} - /* * After we have set current->mm to a new value, this activates * the context for the new mm so we see the new mappings. */ +#define activate_mm activate_mm void activate_mm(struct mm_struct *prev, struct mm_struct *next); +#include + #endif /* _ASM_NIOS2_MMU_CONTEXT_H */ diff --git a/arch/nios2/mm/mmu_context.c b/arch/nios2/mm/mmu_context.c index 45d6b9c58d67..d77aa542deb2 100644 --- a/arch/nios2/mm/mmu_context.c +++ b/arch/nios2/mm/mmu_context.c @@ -103,6 +103,7 @@ void switch_mm(struct mm_struct *prev, struct mm_struct *next, * After we have set current->mm to a new value, this activates * the context for the new mm so we see the new mappings. */ +#define activate_mm activate_mm void activate_mm(struct mm_struct *prev, struct mm_struct *next) { next->context = get_new_context(); -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Nicholas Piggin Subject: [PATCH 13/24] nios2: use asm-generic/mmu_context.h for no-op implementations Date: Tue, 28 Jul 2020 13:33:54 +1000 Message-ID: <20200728033405.78469-14-npiggin@gmail.com> In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com> References: <20200728033405.78469-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: linux-arch@vger.kernel.org Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann , Ley Foon Tan List-ID: Message-ID: <20200728033354.9XVdog_RSLQ4ycGgHC1V0Zd6ZxclDZDdlvUOO9Xc268@z> Cc: Ley Foon Tan Signed-off-by: Nicholas Piggin --- arch/nios2/include/asm/mmu_context.h | 21 ++++----------------- arch/nios2/mm/mmu_context.c | 1 + 2 files changed, 5 insertions(+), 17 deletions(-) diff --git a/arch/nios2/include/asm/mmu_context.h b/arch/nios2/include/as= m/mmu_context.h index 78ab3dacf579..4f99ed09b5a7 100644 --- a/arch/nios2/include/asm/mmu_context.h +++ b/arch/nios2/include/asm/mmu_context.h @@ -26,16 +26,13 @@ extern unsigned long get_pid_from_context(mm_context_= t *ctx); */ extern pgd_t *pgd_current; =20 -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_stru= ct *tsk) -{ -} - /* * Initialize the context related info for a new mm_struct instance. * * Set all new contexts to 0, that way the generation will never match * the currently running generation when this context is switched in. */ +#define init_new_context init_new_context static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -43,26 +40,16 @@ static inline int init_new_context(struct task_struct= *tsk, return 0; } =20 -/* - * Destroy context related info for an mm_struct that is about - * to be put to rest. - */ -static inline void destroy_context(struct mm_struct *mm) -{ -} - void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk); =20 -static inline void deactivate_mm(struct task_struct *tsk, - struct mm_struct *mm) -{ -} - /* * After we have set current->mm to a new value, this activates * the context for the new mm so we see the new mappings. */ +#define activate_mm activate_mm void activate_mm(struct mm_struct *prev, struct mm_struct *next); =20 +#include + #endif /* _ASM_NIOS2_MMU_CONTEXT_H */ diff --git a/arch/nios2/mm/mmu_context.c b/arch/nios2/mm/mmu_context.c index 45d6b9c58d67..d77aa542deb2 100644 --- a/arch/nios2/mm/mmu_context.c +++ b/arch/nios2/mm/mmu_context.c @@ -103,6 +103,7 @@ void switch_mm(struct mm_struct *prev, struct mm_stru= ct *next, * After we have set current->mm to a new value, this activates * the context for the new mm so we see the new mappings. */ +#define activate_mm activate_mm void activate_mm(struct mm_struct *prev, struct mm_struct *next) { next->context =3D get_new_context(); --=20 2.23.0