exec, memory: Call to xen_modified_memory.

This patch add some calls to xen_modified_memory to notify Xen about dirtybits
during migration.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Avi Kivity <avi@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/exec.c b/exec.c
index 366684cd78..1114a0932b 100644
--- a/exec.c
+++ b/exec.c
@@ -3427,6 +3427,7 @@ static void invalidate_and_set_dirty(target_phys_addr_t addr,
         /* set dirty bit */
         cpu_physical_memory_set_dirty_flags(addr, (0xff & ~CODE_DIRTY_FLAG));
     }
+    xen_modified_memory(addr, length);
 }
 
 void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,