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From: "Bang Li" <libang.li@antgroup.com>
To: akpm@linux-foundation.org, chenhuacai@kernel.org,
	tsbogend@alpha.franken.de, paul.walmsley@sifive.com,
	palmer@dabbelt.com, chris@zankel.net, jcmvbkbc@gmail.com
Cc: <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
	<loongarch@lists.linux.dev>, <linux-riscv@lists.infradead.org>,
	<david@redhat.com>, <ryan.roberts@arm.com>, <ioworker0@gmail.com>,
	<libang.linux@gmail.com>, "Bang Li" <libang.li@antgroup.com>
Subject: [PATCH v2 4/5] xtensa: Add update_mmu_tlb_range()
Date: Mon, 06 May 2024 23:51:19 +0800	[thread overview]
Message-ID: <20240506155120.83105-5-libang.li@antgroup.com> (raw)
In-Reply-To: <20240506155120.83105-1-libang.li@antgroup.com>

Added update_mmu_tlb_range function, we can batch update tlb of an
address range.

Signed-off-by: Bang Li <libang.li@antgroup.com>
---
 arch/xtensa/include/asm/pgtable.h | 4 ++++
 arch/xtensa/mm/tlb.c              | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 9a7e5e57ee9a..57f97e7e06d0 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -414,6 +414,10 @@ void update_mmu_tlb(struct vm_area_struct *vma,
 		    unsigned long address, pte_t *ptep);
 #define __HAVE_ARCH_UPDATE_MMU_TLB
 
+void update_mmu_tlb_range(struct vm_area_struct *vma,
+			unsigned long address, pte_t *ptep, unsigned int nr);
+#define __HAVE_ARCH_UPDATE_MMU_TLB_RANGE
+
 #endif /* !defined (__ASSEMBLY__) */
 
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index d8b60d6e50a8..05efba86b870 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -169,6 +169,12 @@ void update_mmu_tlb(struct vm_area_struct *vma,
 	local_flush_tlb_page(vma, address);
 }
 
+void update_mmu_tlb_range(struct vm_area_struct *vma,
+			unsigned long address, pte_t *ptep, unsigned int nr)
+{
+	local_flush_tlb_range(vma, address, address + PAGE_SIZE * nr);
+}
+
 #ifdef CONFIG_DEBUG_TLB_SANITY
 
 static unsigned get_pte_for_vaddr(unsigned vaddr)
-- 
2.19.1.6.gb485710b


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WARNING: multiple messages have this Message-ID (diff)
From: "Bang Li" <libang.li@antgroup.com>
To: akpm@linux-foundation.org, chenhuacai@kernel.org,
	tsbogend@alpha.franken.de, paul.walmsley@sifive.com,
	palmer@dabbelt.com, chris@zankel.net, jcmvbkbc@gmail.com
Cc: <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
	<loongarch@lists.linux.dev>, <linux-riscv@lists.infradead.org>,
	<david@redhat.com>, <ryan.roberts@arm.com>, <ioworker0@gmail.com>,
	<libang.linux@gmail.com>, "Bang Li" <libang.li@antgroup.com>
Subject: [PATCH v2 4/5] xtensa: Add update_mmu_tlb_range()
Date: Mon, 06 May 2024 23:51:19 +0800	[thread overview]
Message-ID: <20240506155120.83105-5-libang.li@antgroup.com> (raw)
In-Reply-To: <20240506155120.83105-1-libang.li@antgroup.com>

Added update_mmu_tlb_range function, we can batch update tlb of an
address range.

Signed-off-by: Bang Li <libang.li@antgroup.com>
---
 arch/xtensa/include/asm/pgtable.h | 4 ++++
 arch/xtensa/mm/tlb.c              | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 9a7e5e57ee9a..57f97e7e06d0 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -414,6 +414,10 @@ void update_mmu_tlb(struct vm_area_struct *vma,
 		    unsigned long address, pte_t *ptep);
 #define __HAVE_ARCH_UPDATE_MMU_TLB
 
+void update_mmu_tlb_range(struct vm_area_struct *vma,
+			unsigned long address, pte_t *ptep, unsigned int nr);
+#define __HAVE_ARCH_UPDATE_MMU_TLB_RANGE
+
 #endif /* !defined (__ASSEMBLY__) */
 
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index d8b60d6e50a8..05efba86b870 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -169,6 +169,12 @@ void update_mmu_tlb(struct vm_area_struct *vma,
 	local_flush_tlb_page(vma, address);
 }
 
+void update_mmu_tlb_range(struct vm_area_struct *vma,
+			unsigned long address, pte_t *ptep, unsigned int nr)
+{
+	local_flush_tlb_range(vma, address, address + PAGE_SIZE * nr);
+}
+
 #ifdef CONFIG_DEBUG_TLB_SANITY
 
 static unsigned get_pte_for_vaddr(unsigned vaddr)
-- 
2.19.1.6.gb485710b


  parent reply	other threads:[~2024-05-06 15:52 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-06 15:51 [PATCH v2 0/5] Add update_mmu_tlb_range() to simplify code Bang Li
2024-05-06 15:51 ` Bang Li
2024-05-06 15:51 ` [PATCH v2 1/5] LoongArch: Add update_mmu_tlb_range() Bang Li
2024-05-06 15:51   ` Bang Li
2024-05-06 15:51 ` [PATCH v2 2/5] mips: " Bang Li
2024-05-06 15:51   ` Bang Li
2024-05-06 15:51 ` [PATCH v2 3/5] riscv: " Bang Li
2024-05-06 15:51   ` Bang Li
2024-05-07  5:35   ` Alexandre Ghiti
2024-05-07  5:35     ` Alexandre Ghiti
2024-05-10  2:18     ` Bang Li
2024-05-10  2:18       ` Bang Li
2024-05-06 15:51 ` Bang Li [this message]
2024-05-06 15:51   ` [PATCH v2 4/5] xtensa: " Bang Li
2024-05-06 15:51 ` [PATCH v2 5/5] mm: " Bang Li
2024-05-06 15:51   ` Bang Li
2024-05-06 16:07   ` Lance Yang
2024-05-06 16:07     ` Lance Yang
2024-05-07  3:26     ` Bang Li
2024-05-07  3:26       ` Bang Li
2024-05-10  9:05   ` Ryan Roberts
2024-05-10  9:05     ` Ryan Roberts
2024-05-10  9:19     ` Lance Yang
2024-05-10  9:19       ` Lance Yang
2024-05-10 16:36     ` Bang Li
2024-05-10 16:36       ` Bang Li

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