[PATCH 1/2] kvm: fix dirty bit tracking for slots with large pages

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When slot is already allocted and being asked to be tracked we need to break the
large pages.

This code flush the mmu when someone ask a slot to start dirty bit tracking.

Signed-off-by: Izik Eidus <ieidus@xxxxxxxxxx>
---
 virt/kvm/kvm_main.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 669eb4a..4a60c72 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1160,6 +1160,8 @@ int __kvm_set_memory_region(struct kvm *kvm,
 			new.userspace_addr = mem->userspace_addr;
 		else
 			new.userspace_addr = 0;
+
+		kvm_arch_flush_shadow(kvm);
 	}
 	if (npages && !new.lpage_info) {
 		largepages = 1 + (base_gfn + npages - 1) / KVM_PAGES_PER_HPAGE;
-- 
1.5.6.5

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