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Re: [Xen-devel] [PATCH v3] xen-hvm: ignore background I/O sections

On Mon, May 09, 2016 at 05:31:20PM +0100, Paul Durrant wrote:
> 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_io_ops' are ignored.
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Anthony Perard <anthony.perard@xxxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>

Acked-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

Anthony PERARD

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