UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

KVM: nSVM: Use common GPA helper to check for illegal CR3 

Replace an open coded check for an invalid CR3 with its equivalent
helper.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210204000117.3303214-7-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-02-03 16:01:11 -08:00 committed by Paolo Bonzini
parent 636e8b7334
commit bbc2c63ddd
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kvm/svm/nested.c
View File

@ -345,7 +345,7 @@ static inline bool nested_npt_enabled(struct vcpu_svm *svm)
static int nested_svm_load_cr3(struct kvm_vcpu *vcpu, unsigned long cr3,
bool nested_npt)
{
if (cr3 & rsvd_bits(cpuid_maxphyaddr(vcpu), 63))
if (kvm_vcpu_is_illegal_gpa(vcpu, cr3))
return -EINVAL;
if (!nested_npt && is_pae_paging(vcpu) &&