[Qemu-devel] Re: [RESEND PATCH 0/2] Fix rtl8139 migration with hotplug

[Michael S. Tsirkin]

On Tue, Jan 04, 2011 at 12:37:37PM -0700, Alex Williamson wrote:
> rtl8139 includes a cpu_register_io_memory() in it's vmstate.  This
> is problematic if the guest undergoes hotplug operations, which can
> shift io indexes between migration source and target.  Add an
> interface to detect this condition and add a subsection, when
> necessary, to ensure we migrate to a safe target.
> 
> This resolves Juan's concerns about maintaining the migration ABI
> and Michael's concerns wrt subsections.  Acked by both.  Please apply.
> Thanks,
> 
> Alex

Applied, thanks!

> ---
> 
> Alex Williamson (2):
>       rtl8139: Use subsection to restrict migration after hotplug
>       qdev: Track runtime machine modifications
> 
> 
>  hw/qdev.c    |   10 ++++++++++
>  hw/qdev.h    |    1 +
>  hw/rtl8139.c |   28 +++++++++++++++++++++++++++-
>  3 files changed, 38 insertions(+), 1 deletions(-)