diff options
| -rw-r--r-- | drivers/kvm/mmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index b3a83ef2cf0..23dc4612026 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c @@ -1150,6 +1150,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, unsigned pte_size; unsigned page_offset; unsigned misaligned; + unsigned quadrant; int level; int flooded = 0; int npte; @@ -1202,7 +1203,10 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, page_offset <<= 1; npte = 2; } + quadrant = page_offset >> PAGE_SHIFT; page_offset &= ~PAGE_MASK; + if (quadrant != page->role.quadrant) + continue; } spte = __va(page->page_hpa); spte += page_offset / sizeof(*spte); |