diff mbox series

[v2,4/5] xtensa: Add update_mmu_tlb_range()

Message ID 20240506155120.83105-5-libang.li@antgroup.com (mailing list archive)
State Superseded
Headers show
Series Add update_mmu_tlb_range() to simplify code | expand

Checks

Context Check Description
conchuod/vmtest-for-next-PR success PR summary
conchuod/patch-4-test-1 success .github/scripts/patches/tests/build_rv32_defconfig.sh
conchuod/patch-4-test-2 success .github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh
conchuod/patch-4-test-3 success .github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh
conchuod/patch-4-test-4 success .github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh
conchuod/patch-4-test-5 success .github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh
conchuod/patch-4-test-6 warning .github/scripts/patches/tests/checkpatch.sh
conchuod/patch-4-test-7 success .github/scripts/patches/tests/dtb_warn_rv64.sh
conchuod/patch-4-test-8 success .github/scripts/patches/tests/header_inline.sh
conchuod/patch-4-test-9 success .github/scripts/patches/tests/kdoc.sh
conchuod/patch-4-test-10 success .github/scripts/patches/tests/module_param.sh
conchuod/patch-4-test-11 success .github/scripts/patches/tests/verify_fixes.sh
conchuod/patch-4-test-12 success .github/scripts/patches/tests/verify_signedoff.sh

Commit Message

Bang Li May 6, 2024, 3:51 p.m. UTC 
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 mbox series

Patch

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)