KVM: MMU: make for_each_shadow_entry aware of largepages
This way there is no need to add explicit checks in every
for_each_shadow_entry user.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 780ce3f..e18f65b 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1302,6 +1302,11 @@
{
if (iterator->level < PT_PAGE_TABLE_LEVEL)
return false;
+
+ if (iterator->level == PT_PAGE_TABLE_LEVEL)
+ if (is_large_pte(*iterator->sptep))
+ return false;
+
iterator->index = SHADOW_PT_INDEX(iterator->addr, iterator->level);
iterator->sptep = ((u64 *)__va(iterator->shadow_addr)) + iterator->index;
return true;