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authorLinus Torvalds <torvalds@linux-foundation.org>2011-06-07 19:06:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-07 19:06:28 -0700
commit58a9a36b5444cbd921cdfc8ddd344d9983cc2c7b (patch)
treed844cc89a89f0802104326eeafbfcb37eb9263a4 /virt
parent22b174f8b7daf59f01b7b76e95c14edf41bf45fa (diff)
parent74b5c5bfff429f464c38dd49af41d75cf0e7dc26 (diff)
downloadlinux-stericsson-58a9a36b5444cbd921cdfc8ddd344d9983cc2c7b.tar.gz
Merge branch 'kvm-updates/3.0' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/3.0' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: Initialize kvm before registering the mmu notifier KVM: x86: use proper port value when checking io instruction permission KVM: add missing void __user * cast to access_ok() call
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 22cdb960660a..96ebc0679415 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -467,12 +467,8 @@ static struct kvm *kvm_create_vm(void)
if (!kvm->buses[i])
goto out_err;
}
- spin_lock_init(&kvm->mmu_lock);
-
- r = kvm_init_mmu_notifier(kvm);
- if (r)
- goto out_err;
+ spin_lock_init(&kvm->mmu_lock);
kvm->mm = current->mm;
atomic_inc(&kvm->mm->mm_count);
kvm_eventfd_init(kvm);
@@ -480,6 +476,11 @@ static struct kvm *kvm_create_vm(void)
mutex_init(&kvm->irq_lock);
mutex_init(&kvm->slots_lock);
atomic_set(&kvm->users_count, 1);
+
+ r = kvm_init_mmu_notifier(kvm);
+ if (r)
+ goto out_err;
+
raw_spin_lock(&kvm_lock);
list_add(&kvm->vm_list, &vm_list);
raw_spin_unlock(&kvm_lock);
@@ -651,7 +652,9 @@ int __kvm_set_memory_region(struct kvm *kvm,
/* We can read the guest memory with __xxx_user() later on. */
if (user_alloc &&
((mem->userspace_addr & (PAGE_SIZE - 1)) ||
- !access_ok(VERIFY_WRITE, mem->userspace_addr, mem->memory_size)))
+ !access_ok(VERIFY_WRITE,
+ (void __user *)(unsigned long)mem->userspace_addr,
+ mem->memory_size)))
goto out;
if (mem->slot >= KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS)
goto out;