From 4d88954d6246d7d43bb8903981731002179f1a1c Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Thu, 11 Jun 2009 12:07:41 -0300 Subject: [PATCH] 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 Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 5 +++++ 1 file changed, 5 insertions(+) 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 @@ static bool shadow_walk_okay(struct kvm_shadow_walk_iterator *iterator) { 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; -- 1.8.2.3