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 <iei...@redhat.com>
---
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..3046e9c 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1194,6 +1194,8 @@ int __kvm_set_memory_region(struct kvm *kvm,
if (!new.dirty_bitmap)
goto out_free;
memset(new.dirty_bitmap, 0, dirty_bytes);
+ if (old.npages)
+ kvm_arch_flush_shadow(kvm);
}
#endif /* not defined CONFIG_S390 */
--
1.5.6.5
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