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mm: implement update_mmu_tlb() using update_mmu_tlb_range()

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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>
This commit is contained in:
Bang Li 2024-05-22 14:12:03 +08:00 committed by Andrew Morton
parent 23b1b44e6c
commit 8f65aa3223
6 changed files with 1 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/loongarch/include/asm/pgtable.h
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@ -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)

2
arch/mips/include/asm/pgtable.h
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@ -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)

2
arch/riscv/include/asm/pgtable.h
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@ -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)

3
arch/xtensa/include/asm/pgtable.h
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@ -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

6
arch/xtensa/mm/tlb.c
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@ -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)
{

4
include/linux/pgtable.h
View File

@ -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