* Glauber Costa <glommer@xxxxxxxxxx> [2009-05-13 14:22]:
> 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.
Does this patch fix someting like 32-bit migration with >4G ? Seems
like it might.
>
> Of course we should be using qemu types in
> here, so please don't get me started on this. The whole
> file is wrong already ;)
>
> Signed-off-by: Glauber Costa <glommer@xxxxxxxxxx>
> ---
> qemu-kvm.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/qemu-kvm.c b/qemu-kvm.c
> index f55cee8..27c37b5 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;
> --
> 1.5.6.6
>
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--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
ryanh@xxxxxxxxxx
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