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>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@ozlabs.org>,
linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 16/24] powerpc: use asm-generic/mmu_context.h for no-op implementations
Date: Tue, 28 Jul 2020 13:33:57 +1000 [thread overview]
Message-ID: <20200728033405.78469-17-npiggin@gmail.com> (raw)
In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/include/asm/mmu_context.h | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index 1a474f6b1992..242bd987247b 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -14,7 +14,9 @@
/*
* Most if the context management is out of line
*/
+#define init_new_context init_new_context
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+#define destroy_context destroy_context
extern void destroy_context(struct mm_struct *mm);
#ifdef CONFIG_SPAPR_TCE_IOMMU
struct mm_iommu_table_group_mem_t;
@@ -237,27 +239,15 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
}
#define switch_mm_irqs_off switch_mm_irqs_off
-
-#define deactivate_mm(tsk,mm) do { } while (0)
-
-/*
- * After we have set current->mm to a new value, this activates
- * the context for the new mm so we see the new mappings.
- */
-static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
-{
- switch_mm(prev, next, current);
-}
-
-/* We don't currently use enter_lazy_tlb() for anything */
+#ifdef CONFIG_PPC_BOOK3E_64
+#define enter_lazy_tlb enter_lazy_tlb
static inline void enter_lazy_tlb(struct mm_struct *mm,
struct task_struct *tsk)
{
/* 64-bit Book3E keeps track of current PGD in the PACA */
-#ifdef CONFIG_PPC_BOOK3E_64
get_paca()->pgd = NULL;
-#endif
}
+#endif
extern void arch_exit_mmap(struct mm_struct *mm);
@@ -300,5 +290,7 @@ static inline int arch_dup_mmap(struct mm_struct *oldmm,
return 0;
}
+#include <asm-generic/mmu_context.h>
+
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_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: Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 16/24] powerpc: use asm-generic/mmu_context.h for no-op implementations
Date: Tue, 28 Jul 2020 13:33:57 +1000 [thread overview]
Message-ID: <20200728033405.78469-17-npiggin@gmail.com> (raw)
In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/include/asm/mmu_context.h | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index 1a474f6b1992..242bd987247b 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -14,7 +14,9 @@
/*
* Most if the context management is out of line
*/
+#define init_new_context init_new_context
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+#define destroy_context destroy_context
extern void destroy_context(struct mm_struct *mm);
#ifdef CONFIG_SPAPR_TCE_IOMMU
struct mm_iommu_table_group_mem_t;
@@ -237,27 +239,15 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
}
#define switch_mm_irqs_off switch_mm_irqs_off
-
-#define deactivate_mm(tsk,mm) do { } while (0)
-
-/*
- * After we have set current->mm to a new value, this activates
- * the context for the new mm so we see the new mappings.
- */
-static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
-{
- switch_mm(prev, next, current);
-}
-
-/* We don't currently use enter_lazy_tlb() for anything */
+#ifdef CONFIG_PPC_BOOK3E_64
+#define enter_lazy_tlb enter_lazy_tlb
static inline void enter_lazy_tlb(struct mm_struct *mm,
struct task_struct *tsk)
{
/* 64-bit Book3E keeps track of current PGD in the PACA */
-#ifdef CONFIG_PPC_BOOK3E_64
get_paca()->pgd = NULL;
-#endif
}
+#endif
extern void arch_exit_mmap(struct mm_struct *mm);
@@ -300,5 +290,7 @@ static inline int arch_dup_mmap(struct mm_struct *oldmm,
return 0;
}
+#include <asm-generic/mmu_context.h>
+
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_MMU_CONTEXT_H */
--
2.23.0
next prev parent reply other threads:[~2020-07-28 3:35 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 ` [PATCH 04/24] arm: " Nicholas Piggin
2020-07-28 3:33 ` 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 ` Nicholas Piggin [this message]
2020-07-28 3:33 ` [PATCH 16/24] powerpc: " 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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