diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/mmu/paging_tmpl.h | 8 |
1 files changed, 4 insertions, 4 deletions
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); |