> -Original Message-
> From: Paul Durrant [mailto:paul.durr...@citrix.com]
> Sent: 09 May 2016 17:29
> To: qemu-de...@nongnu.org; xen-de...@lists.xenproject.org
> Cc: Paul Durrant; Stefano Stabellini; Anthony Perard; Paolo Bonzini
> Subject: [PATCH v2] xen-hvm: ignore background I/O section
Since Xen will correctly handle accesses to unimplemented I/O ports (by
returning all 1's for reads and ignoring writes) there is no need for
QEMU to register backgroud I/O sections.
This patch therefore adds checks to xen_io_add/del so that sections with
memory-region ops pointing at 'unassigned_
