From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicholas Piggin Subject: [PATCH 07/24] hexagon: use asm-generic/mmu_context.h for no-op implementations Date: Tue, 28 Jul 2020 13:33:48 +1000 Message-ID: <20200728033405.78469-8-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-hexagon-owner@vger.kernel.org To: linux-arch@vger.kernel.org Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann , Brian Cain , linux-hexagon@vger.kernel.org List-Id: linux-arch.vger.kernel.org Cc: Brian Cain Cc: linux-hexagon@vger.kernel.org Signed-off-by: Nicholas Piggin --- arch/hexagon/include/asm/mmu_context.h | 33 ++++---------------------- 1 file changed, 5 insertions(+), 28 deletions(-) diff --git a/arch/hexagon/include/asm/mmu_context.h b/arch/hexagon/include/asm/mmu_context.h index cdc4adc0300a..81947764c47d 100644 --- a/arch/hexagon/include/asm/mmu_context.h +++ b/arch/hexagon/include/asm/mmu_context.h @@ -15,39 +15,13 @@ #include #include -static inline void destroy_context(struct mm_struct *mm) -{ -} - /* * VM port hides all TLB management, so "lazy TLB" isn't very * meaningful. Even for ports to architectures with visble TLBs, * this is almost invariably a null function. + * + * mm->context is set up by pgd_alloc, so no init_new_context required. */ -static inline void enter_lazy_tlb(struct mm_struct *mm, - struct task_struct *tsk) -{ -} - -/* - * Architecture-specific actions, if any, for memory map deactivation. - */ -static inline void deactivate_mm(struct task_struct *tsk, - struct mm_struct *mm) -{ -} - -/** - * init_new_context - initialize context related info for new mm_struct instance - * @tsk: pointer to a task struct - * @mm: pointer to a new mm struct - */ -static inline int init_new_context(struct task_struct *tsk, - struct mm_struct *mm) -{ - /* mm->context is set up by pgd_alloc */ - return 0; -} /* * Switch active mm context @@ -74,6 +48,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, /* * Activate new memory map for task */ +#define activate_mm activate_mm static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) { unsigned long flags; @@ -86,4 +61,6 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) /* Generic hooks for arch_dup_mmap and arch_exit_mmap */ #include +#include + #endif -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727121AbgG1Deq (ORCPT ); Mon, 27 Jul 2020 23:34:46 -0400 From: Nicholas Piggin Subject: [PATCH 07/24] hexagon: use asm-generic/mmu_context.h for no-op implementations Date: Tue, 28 Jul 2020 13:33:48 +1000 Message-ID: <20200728033405.78469-8-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: 8bit Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-arch@vger.kernel.org Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann , Brian Cain , linux-hexagon@vger.kernel.org Message-ID: <20200728033348.ftkpQh94mCFq_CD7vQt1re8FoOczBHGi9kg8Rl9FpP8@z> Cc: Brian Cain Cc: linux-hexagon@vger.kernel.org Signed-off-by: Nicholas Piggin --- arch/hexagon/include/asm/mmu_context.h | 33 ++++---------------------- 1 file changed, 5 insertions(+), 28 deletions(-) diff --git a/arch/hexagon/include/asm/mmu_context.h b/arch/hexagon/include/asm/mmu_context.h index cdc4adc0300a..81947764c47d 100644 --- a/arch/hexagon/include/asm/mmu_context.h +++ b/arch/hexagon/include/asm/mmu_context.h @@ -15,39 +15,13 @@ #include #include -static inline void destroy_context(struct mm_struct *mm) -{ -} - /* * VM port hides all TLB management, so "lazy TLB" isn't very * meaningful. Even for ports to architectures with visble TLBs, * this is almost invariably a null function. + * + * mm->context is set up by pgd_alloc, so no init_new_context required. */ -static inline void enter_lazy_tlb(struct mm_struct *mm, - struct task_struct *tsk) -{ -} - -/* - * Architecture-specific actions, if any, for memory map deactivation. - */ -static inline void deactivate_mm(struct task_struct *tsk, - struct mm_struct *mm) -{ -} - -/** - * init_new_context - initialize context related info for new mm_struct instance - * @tsk: pointer to a task struct - * @mm: pointer to a new mm struct - */ -static inline int init_new_context(struct task_struct *tsk, - struct mm_struct *mm) -{ - /* mm->context is set up by pgd_alloc */ - return 0; -} /* * Switch active mm context @@ -74,6 +48,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, /* * Activate new memory map for task */ +#define activate_mm activate_mm static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) { unsigned long flags; @@ -86,4 +61,6 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) /* Generic hooks for arch_dup_mmap and arch_exit_mmap */ #include +#include + #endif -- 2.23.0