KVM: MMU: Make setting shadow ptes atomic on i386
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h
index 397a403..fabc2c9 100644
--- a/drivers/kvm/paging_tmpl.h
+++ b/drivers/kvm/paging_tmpl.h
@@ -234,7 +234,7 @@
spte |= gaddr;
spte |= PT_SHADOW_IO_MARK;
spte &= ~PT_PRESENT_MASK;
- *shadow_pte = spte;
+ set_shadow_pte(shadow_pte, spte);
return;
}
@@ -280,7 +280,7 @@
if (access_bits & PT_WRITABLE_MASK)
mark_page_dirty(vcpu->kvm, gaddr >> PAGE_SHIFT);
- *shadow_pte = spte;
+ set_shadow_pte(shadow_pte, spte);
page_header_update_slot(vcpu->kvm, shadow_pte, gaddr);
if (!was_rmapped)
rmap_add(vcpu, shadow_pte);