From: Nicholas Piggin <npiggin@gmail.com> To: linux-arch@vger.kernel.org Cc: Nicholas Piggin <npiggin@gmail.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann <arnd@arndb.de>, "David S. Miller" <davem@davemloft.net>, sparclinux@vger.kernel.org Subject: [PATCH v2 20/23] sparc: use asm-generic/mmu_context.h for no-op implementations Date: Thu, 27 Aug 2020 00:52:46 +1000 [thread overview] Message-ID: <20200826145249.745432-21-npiggin@gmail.com> (raw) In-Reply-To: <20200826145249.745432-1-npiggin@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/sparc/include/asm/mmu_context_32.h | 10 ++++------ arch/sparc/include/asm/mmu_context_64.h | 10 +++++----- 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h index 7ddcb8badf70..509043f81560 100644 --- a/arch/sparc/include/asm/mmu_context_32.h +++ b/arch/sparc/include/asm/mmu_context_32.h @@ -6,13 +6,10 @@ #include <asm-generic/mm_hooks.h> -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - /* Initialize a new mmu context. This is invoked when a new * address space instance (unique or shared) is instantiated. */ +#define init_new_context init_new_context int init_new_context(struct task_struct *tsk, struct mm_struct *mm); /* Destroy a dead context. This occurs when mmput drops the @@ -20,17 +17,18 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm); * all the page tables have been flushed. Our job is to destroy * any remaining processor-specific state. */ +#define destroy_context destroy_context void destroy_context(struct mm_struct *mm); /* Switch the current MM context. */ void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk); -#define deactivate_mm(tsk,mm) do { } while (0) - /* Activate a new MM instance for the current task. */ #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL) +#include <asm-generic/mmu_context.h> + #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC_MMU_CONTEXT_H) */ diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 312fcee8df2b..7a8380c63aab 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -16,17 +16,16 @@ #include <asm-generic/mm_hooks.h> #include <asm/percpu.h> -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - extern spinlock_t ctx_alloc_lock; extern unsigned long tlb_context_cache; extern unsigned long mmu_context_bmap[]; DECLARE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm); void get_new_mmu_context(struct mm_struct *mm); + +#define init_new_context init_new_context int init_new_context(struct task_struct *tsk, struct mm_struct *mm); +#define destroy_context destroy_context void destroy_context(struct mm_struct *mm); void __tsb_context_switch(unsigned long pgd_pa, @@ -136,7 +135,6 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str spin_unlock_irqrestore(&mm->context.lock, flags); } -#define deactivate_mm(tsk,mm) do { } while (0) #define activate_mm(active_mm, mm) switch_mm(active_mm, mm, NULL) #define __HAVE_ARCH_START_CONTEXT_SWITCH @@ -187,6 +185,8 @@ static inline void finish_arch_post_lock_switch(void) } } +#include <asm-generic/mmu_context.h> + #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC64_MMU_CONTEXT_H) */ -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com> To: linux-arch@vger.kernel.org Cc: Nicholas Piggin <npiggin@gmail.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann <arnd@arndb.de>, "David S. Miller" <davem@davemloft.net>, sparclinux@vger.kernel.org Subject: [PATCH v2 20/23] sparc: use asm-generic/mmu_context.h for no-op implementations Date: Wed, 26 Aug 2020 14:52:46 +0000 [thread overview] Message-ID: <20200826145249.745432-21-npiggin@gmail.com> (raw) In-Reply-To: <20200826145249.745432-1-npiggin@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/sparc/include/asm/mmu_context_32.h | 10 ++++------ arch/sparc/include/asm/mmu_context_64.h | 10 +++++----- 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h index 7ddcb8badf70..509043f81560 100644 --- a/arch/sparc/include/asm/mmu_context_32.h +++ b/arch/sparc/include/asm/mmu_context_32.h @@ -6,13 +6,10 @@ #include <asm-generic/mm_hooks.h> -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - /* Initialize a new mmu context. This is invoked when a new * address space instance (unique or shared) is instantiated. */ +#define init_new_context init_new_context int init_new_context(struct task_struct *tsk, struct mm_struct *mm); /* Destroy a dead context. This occurs when mmput drops the @@ -20,17 +17,18 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm); * all the page tables have been flushed. Our job is to destroy * any remaining processor-specific state. */ +#define destroy_context destroy_context void destroy_context(struct mm_struct *mm); /* Switch the current MM context. */ void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk); -#define deactivate_mm(tsk,mm) do { } while (0) - /* Activate a new MM instance for the current task. */ #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL) +#include <asm-generic/mmu_context.h> + #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC_MMU_CONTEXT_H) */ diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 312fcee8df2b..7a8380c63aab 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -16,17 +16,16 @@ #include <asm-generic/mm_hooks.h> #include <asm/percpu.h> -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - extern spinlock_t ctx_alloc_lock; extern unsigned long tlb_context_cache; extern unsigned long mmu_context_bmap[]; DECLARE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm); void get_new_mmu_context(struct mm_struct *mm); + +#define init_new_context init_new_context int init_new_context(struct task_struct *tsk, struct mm_struct *mm); +#define destroy_context destroy_context void destroy_context(struct mm_struct *mm); void __tsb_context_switch(unsigned long pgd_pa, @@ -136,7 +135,6 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str spin_unlock_irqrestore(&mm->context.lock, flags); } -#define deactivate_mm(tsk,mm) do { } while (0) #define activate_mm(active_mm, mm) switch_mm(active_mm, mm, NULL) #define __HAVE_ARCH_START_CONTEXT_SWITCH @@ -187,6 +185,8 @@ static inline void finish_arch_post_lock_switch(void) } } +#include <asm-generic/mmu_context.h> + #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC64_MMU_CONTEXT_H) */ -- 2.23.0
next prev parent reply other threads:[~2020-08-26 14:55 UTC|newest] Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-26 14:52 [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 01/23] asm-generic: add generic MMU versions of mmu context functions Nicholas Piggin 2020-08-26 18:13 ` kernel test robot 2020-08-26 18:13 ` kernel test robot 2020-09-01 6:49 ` Mike Rapoport 2020-09-01 7:14 ` Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 02/23] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 03/23] arc: " Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 04/23] arm: " Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 05/23] arm64: " Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin 2020-08-26 15:25 ` Catalin Marinas 2020-08-26 15:25 ` Catalin Marinas 2020-08-26 16:20 ` Nicholas Piggin 2020-08-26 16:20 ` Nicholas Piggin 2020-10-27 9:59 ` Naresh Kamboju 2020-10-27 9:59 ` Naresh Kamboju 2020-10-27 9:59 ` Naresh Kamboju 2020-10-27 15:08 ` Arnd Bergmann 2020-08-26 18:42 ` kernel test robot 2020-08-26 18:42 ` kernel test robot 2020-08-26 18:42 ` kernel test robot 2020-08-26 18:57 ` kernel test robot 2020-08-26 18:57 ` kernel test robot 2020-08-26 18:57 ` kernel test robot 2020-08-26 23:55 ` kernel test robot 2020-08-26 23:55 ` kernel test robot 2020-08-26 23:55 ` kernel test robot 2020-08-26 14:52 ` [PATCH v2 06/23] csky: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 07/23] hexagon: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 08/23] ia64: " Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 09/23] m68k: " Nicholas Piggin 2020-08-27 9:33 ` Geert Uytterhoeven 2020-08-27 9:33 ` Geert Uytterhoeven 2020-09-01 6:23 ` Nicholas Piggin 2020-09-01 7:03 ` Geert Uytterhoeven 2020-09-01 7:03 ` Geert Uytterhoeven 2020-09-01 7:50 ` Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 10/23] microblaze: " Nicholas Piggin 2020-08-31 14:15 ` Michal Simek 2020-09-01 6:15 ` Nicholas Piggin 2020-09-01 6:41 ` Michal Simek 2020-09-01 7:09 ` Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 11/23] mips: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 12/23] nds32: " Nicholas Piggin 2020-08-28 10:09 ` Greentime Hu 2020-08-28 10:09 ` Greentime Hu 2020-08-26 14:52 ` [PATCH v2 13/23] nios2: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 14/23] openrisc: " Nicholas Piggin 2020-08-26 14:52 ` [OpenRISC] " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 15/23] parisc: " Nicholas Piggin 2020-08-29 9:09 ` Helge Deller 2020-08-26 14:52 ` [PATCH v2 16/23] powerpc: " Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin 2020-09-01 7:30 ` Michael Ellerman 2020-09-01 7:30 ` Michael Ellerman 2020-08-26 14:52 ` [PATCH v2 17/23] riscv: " Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin 2020-08-26 16:42 ` Pekka Enberg 2020-08-26 16:42 ` Pekka Enberg 2020-08-26 16:42 ` Pekka Enberg 2020-08-26 14:52 ` [PATCH v2 18/23] s390: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 19/23] sh: " Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin 2020-08-26 14:52 ` Nicholas Piggin [this message] 2020-08-26 14:52 ` [PATCH v2 20/23] sparc: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 21/23] um: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 22/23] x86: " Nicholas Piggin 2020-08-26 14:52 ` [PATCH v2 23/23] xtensa: " Nicholas Piggin 2020-08-26 20:12 ` [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Arnd Bergmann 2020-08-26 20:12 ` Arnd Bergmann 2020-08-30 10:18 ` Mike Rapoport 2020-09-01 6:17 ` Nicholas Piggin 2020-09-01 6:54 ` Mike Rapoport
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