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>,
Russell King <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 04/24] arm: use asm-generic/mmu_context.h for no-op implementations
Date: Tue, 28 Jul 2020 13:33:45 +1000 [thread overview]
Message-ID: <20200728033405.78469-5-npiggin@gmail.com> (raw)
In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
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 <asm-generic/mmu_context.h>
#endif
--
2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com>
To: linux-arch@vger.kernel.org
Cc: Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
Russell King <linux@armlinux.org.uk>,
linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH 04/24] arm: use asm-generic/mmu_context.h for no-op implementations
Date: Tue, 28 Jul 2020 13:33:45 +1000 [thread overview]
Message-ID: <20200728033405.78469-5-npiggin@gmail.com> (raw)
In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
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 <asm-generic/mmu_context.h>
#endif
--
2.23.0
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next prev parent reply other threads:[~2020-07-28 3:34 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-28 3:33 [PATCH 00/24] Use asm-generic for mmu_context no-op functions Nicholas Piggin
2020-07-28 3:33 ` [PATCH 01/24] asm-generic: add generic versions of mmu context functions Nicholas Piggin
2020-07-28 4:01 ` Vineet Gupta
2020-07-28 10:37 ` Nicholas Piggin
2020-08-26 13:59 ` Nicholas Piggin
2020-07-28 5:53 ` kernel test robot
2020-07-28 5:53 ` kernel test robot
2020-07-28 5:53 ` kernel test robot
2020-07-28 5:53 ` kernel test robot
2020-07-28 23:52 ` kernel test robot
2020-07-28 23:52 ` kernel test robot
2020-07-28 23:52 ` kernel test robot
2020-07-28 23:52 ` kernel test robot
2020-07-28 3:33 ` [PATCH 02/24] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin
2020-07-28 3:33 ` [PATCH 03/24] arc: " Nicholas Piggin
2020-07-28 3:33 ` Nicholas Piggin
2020-07-28 3:58 ` Vineet Gupta
2020-07-28 3:58 ` Vineet Gupta
2020-07-28 3:58 ` Vineet Gupta
2020-07-28 3:33 ` Nicholas Piggin [this message]
2020-07-28 3:33 ` [PATCH 04/24] arm: " Nicholas Piggin
2020-07-28 4:14 ` Vineet Gupta
2020-07-28 4:14 ` Vineet Gupta
2020-07-28 4:14 ` Vineet Gupta
2020-07-28 4:14 ` Vineet Gupta
2020-08-26 14:14 ` Nicholas Piggin
2020-08-26 14:14 ` Nicholas Piggin
2020-08-26 14:14 ` Nicholas Piggin
2020-08-26 14:14 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 05/24] arm64: " Nicholas Piggin
2020-07-28 3:33 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 06/24] csky: " Nicholas Piggin
2020-07-28 4:09 ` Guo Ren
2020-07-28 4:09 ` Guo Ren
2020-07-28 3:33 ` [PATCH 07/24] hexagon: " Nicholas Piggin
2020-08-11 18:34 ` Brian Cain
2020-08-11 18:34 ` Brian Cain
2020-07-28 3:33 ` [PATCH 08/24] ia64: " Nicholas Piggin
2020-07-28 3:33 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 09/24] m68k: " Nicholas Piggin
2020-07-30 8:11 ` kernel test robot
2020-07-30 8:11 ` kernel test robot
2020-07-30 8:11 ` kernel test robot
2020-07-30 8:11 ` kernel test robot
2020-07-28 3:33 ` [PATCH 10/24] microblaze: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 11/24] mips: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 12/24] nds32: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 13/24] nios2: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 14/24] openrisc: " Nicholas Piggin
2020-07-28 3:35 ` [OpenRISC] " Nicholas Piggin
2020-07-29 11:45 ` Stafford Horne
2020-07-29 11:45 ` [OpenRISC] " Stafford Horne
2020-08-26 14:33 ` Nicholas Piggin
2020-08-26 14:33 ` [OpenRISC] " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 15/24] parisc: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 16/24] powerpc: " Nicholas Piggin
2020-07-28 3:33 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 17/24] riscv: " Nicholas Piggin
2020-07-28 3:33 ` Nicholas Piggin
2020-07-30 21:20 ` Palmer Dabbelt
2020-07-30 21:20 ` Palmer Dabbelt
2020-07-30 21:20 ` Palmer Dabbelt
2020-07-28 3:33 ` [PATCH 18/24] s390: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 19/24] sh: " Nicholas Piggin
2020-07-28 3:34 ` Nicholas Piggin
2020-07-28 3:34 ` [PATCH 20/24] sparc: " Nicholas Piggin
2020-07-28 3:34 ` Nicholas Piggin
2020-07-28 3:34 ` [PATCH 21/24] um: " Nicholas Piggin
2020-07-28 3:34 ` Nicholas Piggin
2020-07-28 3:34 ` [PATCH 22/24] unicore32: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 23/24] x86: " Nicholas Piggin
2020-07-28 10:54 ` peterz
2020-07-28 3:34 ` [PATCH 24/24] xtensa: " Nicholas Piggin
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