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KVM/nVMX: Use page_address_valid in a few more locations 

Use page_address_valid in a few more locations that is already checking for
a page aligned address that does not cross the maximum physical address.

Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
KarimAllah Ahmed 2019-01-31 21:24:43 +01:00 committed by Paolo Bonzini
parent dee9c04931
commit e0bf2665ca
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kvm/vmx/nested.c
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@ -4275,7 +4275,7 @@ static int handle_vmon(struct kvm_vcpu *vcpu)
* Note - IA32_VMX_BASIC[48] will never be 1 for the nested case;
* which replaces physical address width with 32
*/
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu)))
if (!page_address_valid(vcpu, vmptr))
return nested_vmx_failInvalid(vcpu);
if (kvm_read_guest(vcpu->kvm, vmptr, &revision, sizeof(revision)) ||
@ -4338,7 +4338,7 @@ static int handle_vmclear(struct kvm_vcpu *vcpu)
if (nested_vmx_get_vmptr(vcpu, &vmptr))
return 1;
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu)))
if (!page_address_valid(vcpu, vmptr))
return nested_vmx_failValid(vcpu,
VMXERR_VMCLEAR_INVALID_ADDRESS);
@ -4545,7 +4545,7 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu)
if (nested_vmx_get_vmptr(vcpu, &vmptr))
return 1;
if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu)))
if (!page_address_valid(vcpu, vmptr))
return nested_vmx_failValid(vcpu,
VMXERR_VMPTRLD_INVALID_ADDRESS);