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Subject[PATCH v6 13/14] KVM/nVMX: Use page_address_valid in a few more locations
Date
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>
---
arch/x86/kvm/vmx/nested.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 60ba582..91e42f9 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -4203,7 +4203,7 @@ 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)) ||
@@ -4266,7 +4266,7 @@ 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);

@@ -4473,7 +4473,7 @@ 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);

--
2.7.4
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