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

From: Anthony PERARD
Subject: Re: [Qemu-devel] [PATCH v3] xen-hvm: ignore background I/O sections
Date: Wed, 25 May 2016 16:52:32 +0100
User-agent: Mutt/1.6.1 (2016-04-27)

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 <address@hidden>
> Cc: Stefano Stabellini <address@hidden>
> Cc: Anthony Perard <address@hidden>
> Cc: Paolo Bonzini <address@hidden>

Acked-by: Anthony PERARD <address@hidden>

Anthony PERARD

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