From: Glauber Costa <glom...@redhat.com>

In the call path of kvm_get_dirty_pages_log_range(),
its caller kvm_get_dirty_bitmap_cb() passes the
target_phys_addr_t both as start_addr and the offset.
So, using int will make dirty tracking over 4G fail
completely.

Signed-off-by: Glauber Costa <glom...@redhat.com>
Signed-off-by: Avi Kivity <a...@redhat.com>

diff --git a/qemu-kvm.c b/qemu-kvm.c
index b227297..5e4002b 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -1201,7 +1201,7 @@ int kvm_physical_memory_set_dirty_tracking(int enable)
 /* get kvm's dirty pages bitmap and update qemu's */
 static int kvm_get_dirty_pages_log_range(unsigned long start_addr,
                                          unsigned char *bitmap,
-                                         unsigned int offset,
+                                         unsigned long offset,
                                          unsigned long mem_size)
 {
     unsigned int i, j, n=0;
--
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