diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/mmu.c | 14 | ||||
| -rw-r--r-- | arch/mips/mm/fault.c | 10 | ||||
| -rw-r--r-- | arch/riscv/mm/pageattr.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu/paging_tmpl.h | 8 |
4 files changed, 18 insertions, 18 deletions
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 290154e32c0b..8c0035cab6b6 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -1084,7 +1084,7 @@ void stage2_unmap_vm(struct kvm *kvm) int idx; idx = srcu_read_lock(&kvm->srcu); - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); spin_lock(&kvm->mmu_lock); slots = kvm_memslots(kvm); @@ -1092,7 +1092,7 @@ void stage2_unmap_vm(struct kvm *kvm) stage2_unmap_memslot(kvm, memslot); spin_unlock(&kvm->mmu_lock); - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); srcu_read_unlock(&kvm->srcu, idx); } @@ -1848,11 +1848,11 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, } /* Let's check if we will get back a huge page backed by hugetlbfs */ - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); vma = find_vma_intersection(current->mm, hva, hva + 1); if (unlikely(!vma)) { kvm_err("Failed to find VMA for hva 0x%lx\n", hva); - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); return -EFAULT; } @@ -1879,7 +1879,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, if (vma_pagesize == PMD_SIZE || (vma_pagesize == PUD_SIZE && kvm_stage2_has_pmd(kvm))) gfn = (fault_ipa & huge_page_mask(hstate_vma(vma))) >> PAGE_SHIFT; - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); /* We need minimum second+third level pages */ ret = mmu_topup_memory_cache(memcache, kvm_mmu_cache_min_pages(kvm), @@ -2456,7 +2456,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, (kvm_phys_size(kvm) >> PAGE_SHIFT)) return -EFAULT; - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); /* * A memory region could potentially cover multiple VMAs, and any holes * between them, so iterate over all of them to find out if we can map @@ -2515,7 +2515,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, stage2_flush_memslot(kvm, memslot); spin_unlock(&kvm->mmu_lock); out: - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); return ret; } diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index f8d62cd83b36..9ef2dd39111e 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -97,7 +97,7 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write, if (user_mode(regs)) flags |= FAULT_FLAG_USER; retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); vma = find_vma(mm, address); if (!vma) goto bad_area; @@ -190,7 +190,7 @@ good_area: } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return; /* @@ -198,7 +198,7 @@ good_area: * Fix it, but check if it's kernel or user first.. */ bad_area: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); bad_area_nosemaphore: /* User mode accesses just cause a SIGSEGV */ @@ -250,14 +250,14 @@ out_of_memory: * We ran out of memory, call the OOM killer, and return the userspace * (which will retry the fault, or kill us if we got oom-killed). */ - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); if (!user_mode(regs)) goto no_context; pagefault_out_of_memory(); return; do_sigbus: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* Kernel mode? Handle exceptions or die */ if (!user_mode(regs)) diff --git a/arch/riscv/mm/pageattr.c b/arch/riscv/mm/pageattr.c index 51165f73ce7d..ec2c70f84994 100644 --- a/arch/riscv/mm/pageattr.c +++ b/arch/riscv/mm/pageattr.c @@ -117,10 +117,10 @@ static int __set_memory(unsigned long addr, int numpages, pgprot_t set_mask, if (!numpages) return 0; - down_read(&init_mm.mmap_sem); + mmap_read_lock(&init_mm); ret = walk_page_range_novma(&init_mm, start, end, &pageattr_ops, NULL, &masks); - up_read(&init_mm.mmap_sem); + mmap_read_unlock(&init_mm); flush_tlb_kernel_range(start, end); diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 38c576495048..a6d484ea110b 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -165,22 +165,22 @@ static int FNAME(cmpxchg_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long pfn; unsigned long paddr; - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); vma = find_vma_intersection(current->mm, vaddr, vaddr + PAGE_SIZE); if (!vma || !(vma->vm_flags & VM_PFNMAP)) { - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); return -EFAULT; } pfn = ((vaddr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; paddr = pfn << PAGE_SHIFT; table = memremap(paddr, PAGE_SIZE, MEMREMAP_WB); if (!table) { - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); return -EFAULT; } ret = CMPXCHG(&table[index], orig_pte, new_pte); memunmap(table); - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); } return (ret != orig_pte); |