[PATCH 1/1] KVM: VMX: Clean up private memory slot allocation

[Sheng Yang <sheng@linux.intel.com>]

userspace_addr should be a meaningless value.
(Any suggestion on this "meaningless value"?)

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
---
 arch/x86/kvm/vmx.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 8043352..640d11a 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2022,6 +2022,8 @@ static int alloc_apic_access_page(struct kvm *kvm)
 	kvm_userspace_mem.flags = 0;
 	kvm_userspace_mem.guest_phys_addr = 0xfee00000ULL;
 	kvm_userspace_mem.memory_size = PAGE_SIZE;
+	/* userspace_addr is invalid, make it unaligned */
+	kvm_userspace_mem.userspace_addr = PAGE_SIZE - 1;
 	r = __kvm_set_memory_region(kvm, &kvm_userspace_mem, 0);
 	if (r)
 		goto out;
@@ -2044,6 +2046,8 @@ static int alloc_identity_pagetable(struct kvm *kvm)
 	kvm_userspace_mem.flags = 0;
 	kvm_userspace_mem.guest_phys_addr = VMX_EPT_IDENTITY_PAGETABLE_ADDR;
 	kvm_userspace_mem.memory_size = PAGE_SIZE;
+	/* userspace_addr is invalid, make it unaligned */
+	kvm_userspace_mem.userspace_addr = PAGE_SIZE - 1;
 	r = __kvm_set_memory_region(kvm, &kvm_userspace_mem, 0);
 	if (r)
 		goto out;
-- 
1.5.4.5