From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicholas Piggin Subject: [PATCH 04/24] arm: use asm-generic/mmu_context.h for no-op implementations Date: Tue, 28 Jul 2020 13:33:45 +1000 Message-ID: <20200728033405.78469-5-npiggin@gmail.com> References: <20200728033405.78469-1-npiggin@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726739AbgG1Def (ORCPT ); Mon, 27 Jul 2020 23:34:35 -0400 In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com> 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 , Russell King , linux-arm-kernel@lists.infradead.org Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Nicholas Piggin --- arch/arm/include/asm/mmu_context.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index f99ed524fe41..84e58956fcab 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -26,6 +26,8 @@ void __check_vmalloc_seq(struct mm_struct *mm); #ifdef CONFIG_CPU_HAS_ASID void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk); + +#define init_new_context init_new_context static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -92,32 +94,10 @@ static inline void finish_arch_post_lock_switch(void) #endif /* CONFIG_MMU */ -static inline int -init_new_context(struct task_struct *tsk, struct mm_struct *mm) -{ - return 0; -} - - #endif /* CONFIG_CPU_HAS_ASID */ -#define destroy_context(mm) do { } while(0) #define activate_mm(prev,next) switch_mm(prev, next, NULL) -/* - * This is called when "tsk" is about to enter lazy TLB mode. - * - * mm: describes the currently active mm context - * tsk: task which is entering lazy tlb - * cpu: cpu number which is entering lazy tlb - * - * tsk->mm will be NULL - */ -static inline void -enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - /* * This is the actual mm switch as far as the scheduler * is concerned. No registers are touched. We avoid @@ -149,6 +129,6 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next, #endif } -#define deactivate_mm(tsk,mm) do { } while (0) +#include #endif -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Nicholas Piggin Subject: [PATCH 04/24] arm: use asm-generic/mmu_context.h for no-op implementations Date: Tue, 28 Jul 2020 13:33:45 +1000 Message-ID: <20200728033405.78469-5-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 , Russell King , linux-arm-kernel@lists.infradead.org List-ID: Message-ID: <20200728033345.eM56UUcYYqfCJisFm4IZ1C4y3-R8XPaCvfLVOGvt6Qs@z> Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Nicholas Piggin --- arch/arm/include/asm/mmu_context.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mm= u_context.h index f99ed524fe41..84e58956fcab 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -26,6 +26,8 @@ void __check_vmalloc_seq(struct mm_struct *mm); #ifdef CONFIG_CPU_HAS_ASID =20 void check_and_switch_context(struct mm_struct *mm, struct task_struct *= tsk); + +#define init_new_context init_new_context static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -92,32 +94,10 @@ static inline void finish_arch_post_lock_switch(void) =20 #endif /* CONFIG_MMU */ =20 -static inline int -init_new_context(struct task_struct *tsk, struct mm_struct *mm) -{ - return 0; -} - - #endif /* CONFIG_CPU_HAS_ASID */ =20 -#define destroy_context(mm) do { } while(0) #define activate_mm(prev,next) switch_mm(prev, next, NULL) =20 -/* - * This is called when "tsk" is about to enter lazy TLB mode. - * - * mm: describes the currently active mm context - * tsk: task which is entering lazy tlb - * cpu: cpu number which is entering lazy tlb - * - * tsk->mm will be NULL - */ -static inline void -enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - /* * This is the actual mm switch as far as the scheduler * is concerned. No registers are touched. We avoid @@ -149,6 +129,6 @@ switch_mm(struct mm_struct *prev, struct mm_struct *n= ext, #endif } =20 -#define deactivate_mm(tsk,mm) do { } while (0) +#include =20 #endif --=20 2.23.0