diff options
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index cf7cc0554094..1f888a103f78 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -363,10 +363,7 @@ static void kvm_mmu_notifier_change_pte(struct mmu_notifier *mn, } static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long start, - unsigned long end, - bool blockable) + const struct mmu_notifier_range *range) { struct kvm *kvm = mmu_notifier_to_kvm(mn); int need_tlb_flush = 0, idx; @@ -380,7 +377,7 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn, * count is also read inside the mmu_lock critical section. */ kvm->mmu_notifier_count++; - need_tlb_flush = kvm_unmap_hva_range(kvm, start, end); + need_tlb_flush = kvm_unmap_hva_range(kvm, range->start, range->end); need_tlb_flush |= kvm->tlbs_dirty; /* we've to flush the tlb before the pages can be freed */ if (need_tlb_flush) @@ -388,7 +385,8 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn, spin_unlock(&kvm->mmu_lock); - ret = kvm_arch_mmu_notifier_invalidate_range(kvm, start, end, blockable); + ret = kvm_arch_mmu_notifier_invalidate_range(kvm, range->start, + range->end, range->blockable); srcu_read_unlock(&kvm->srcu, idx); @@ -396,9 +394,7 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn, } static void kvm_mmu_notifier_invalidate_range_end(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long start, - unsigned long end) + const struct mmu_notifier_range *range) { struct kvm *kvm = mmu_notifier_to_kvm(mn); @@ -943,8 +939,7 @@ int __kvm_set_memory_region(struct kvm *kvm, /* We can read the guest memory with __xxx_user() later on. */ if ((id < KVM_USER_MEM_SLOTS) && ((mem->userspace_addr & (PAGE_SIZE - 1)) || - !access_ok(VERIFY_WRITE, - (void __user *)(unsigned long)mem->userspace_addr, + !access_ok((void __user *)(unsigned long)mem->userspace_addr, mem->memory_size))) goto out; if (as_id >= KVM_ADDRESS_SPACE_NUM || id >= KVM_MEM_SLOTS_NUM) |