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authorBang Li <libang.li@antgroup.com>2024-05-22 09:12:03 +0300
committerAndrew Morton <akpm@linux-foundation.org>2024-07-04 05:29:57 +0300
commit8f65aa32239f1c3f11b7a25bd5921223bafc5fed (patch)
tree513c67d1722a5337043f1fbb309ccd798446d6d3
parent23b1b44e6c61295084284aa7d87db863a7802b92 (diff)
downloadlinux-8f65aa32239f1c3f11b7a25bd5921223bafc5fed.tar.xz
mm: implement update_mmu_tlb() using update_mmu_tlb_range()
Let's make update_mmu_tlb() simply a generic wrapper around update_mmu_tlb_range(). Only the latter can now be overridden by the architecture. We can now remove __HAVE_ARCH_UPDATE_MMU_TLB as well. Link: https://lkml.kernel.org/r/20240522061204.117421-3-libang.li@antgroup.com Signed-off-by: Bang Li <libang.li@antgroup.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Chris Zankel <chris@zankel.net> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Lance Yang <ioworker0@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--arch/loongarch/include/asm/pgtable.h2
-rw-r--r--arch/mips/include/asm/pgtable.h2
-rw-r--r--arch/riscv/include/asm/pgtable.h2
-rw-r--r--arch/xtensa/include/asm/pgtable.h3
-rw-r--r--arch/xtensa/mm/tlb.c6
-rw-r--r--include/linux/pgtable.h4
6 files changed, 1 insertions, 18 deletions
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index 5ccc2a3a6f7a..161dd6e10479 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -467,8 +467,6 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf,
#define update_mmu_cache(vma, addr, ptep) \
update_mmu_cache_range(NULL, vma, addr, ptep, 1)
-#define __HAVE_ARCH_UPDATE_MMU_TLB
-#define update_mmu_tlb update_mmu_cache
#define update_mmu_tlb_range(vma, addr, ptep, nr) \
update_mmu_cache_range(NULL, vma, addr, ptep, nr)
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 0891ad7d43b6..c29a551eb0ca 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -594,8 +594,6 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf,
#define update_mmu_cache(vma, address, ptep) \
update_mmu_cache_range(NULL, vma, address, ptep, 1)
-#define __HAVE_ARCH_UPDATE_MMU_TLB
-#define update_mmu_tlb update_mmu_cache
#define update_mmu_tlb_range(vma, address, ptep, nr) \
update_mmu_cache_range(NULL, vma, address, ptep, nr)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 0c50b51f68c4..ebfe8faafb79 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -489,8 +489,6 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf,
#define update_mmu_cache(vma, addr, ptep) \
update_mmu_cache_range(NULL, vma, addr, ptep, 1)
-#define __HAVE_ARCH_UPDATE_MMU_TLB
-#define update_mmu_tlb update_mmu_cache
#define update_mmu_tlb_range(vma, addr, ptep, nr) \
update_mmu_cache_range(NULL, vma, addr, ptep, nr)
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 436158bd9030..1647a7cc3fbf 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -410,9 +410,6 @@ void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma,
typedef pte_t *pte_addr_t;
-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 update_mmu_tlb_range update_mmu_tlb_range
diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c
index 05efba86b870..0a1a815dc796 100644
--- a/arch/xtensa/mm/tlb.c
+++ b/arch/xtensa/mm/tlb.c
@@ -163,12 +163,6 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
}
}
-void update_mmu_tlb(struct vm_area_struct *vma,
- unsigned long address, pte_t *ptep)
-{
- 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)
{
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 17d1caee39ab..117b807e3f89 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -736,13 +736,11 @@ static inline void update_mmu_tlb_range(struct vm_area_struct *vma,
}
#endif
-#ifndef __HAVE_ARCH_UPDATE_MMU_TLB
static inline void update_mmu_tlb(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep)
{
+ update_mmu_tlb_range(vma, address, ptep, 1);
}
-#define __HAVE_ARCH_UPDATE_MMU_TLB
-#endif
/*
* Some architectures may be able to avoid expensive synchronization