Re: [Qemu-devel] [PULL] Fix for kvm dirty logging

[Anthony Liguori]

On 01/15/2012 08:36 AM, Avi Kivity wrote:

kvm dirty logging is broken in the presence of memory slots being
removed; this breaks opensuse's boot screen.  Following patch fixes:

   git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git memory/urgent

Pulled.  Thanks.

Regards,

Anthony Liguori

Avi Kivity (1):
       kvm: flush the dirty log when unregistering a slot

  kvm-all.c |    4 ++++
  1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/kvm-all.c b/kvm-all.c
index 3174f42..2cc4562 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -566,6 +566,10 @@ static void kvm_set_phys_mem(MemoryRegionSection
*section, bool add)

          old = *mem;

+        if (mem->flags&  KVM_MEM_LOG_DIRTY_PAGES) {
+            kvm_physical_sync_dirty_bitmap(section);
+        }
+
          /* unregister the overlapping slot */
          mem->memory_size = 0;
          err = kvm_set_user_memory_region(s, mem);