From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56112) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5dAg-0001i0-9R for qemu-devel@nongnu.org; Wed, 25 May 2016 14:04:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b5dAc-0002vr-71 for qemu-devel@nongnu.org; Wed, 25 May 2016 14:04:42 -0400 Received: from mx4-phx2.redhat.com ([209.132.183.25]:50757) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5dAb-0002vd-TF for qemu-devel@nongnu.org; Wed, 25 May 2016 14:04:38 -0400 Date: Wed, 25 May 2016 14:04:31 -0400 (EDT) From: Paolo Bonzini Message-ID: <46701863.17238471.1464199471397.JavaMail.zimbra@redhat.com> In-Reply-To: <20160525155232.GD1184@perard.uk.xensource.com> References: <1462811480-16295-1-git-send-email-paul.durrant@citrix.com> <20160525155232.GD1184@perard.uk.xensource.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3] xen-hvm: ignore background I/O sections List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony PERARD Cc: Paul Durrant , qemu-devel@nongnu.org, xen-devel@lists.xenproject.org, Stefano Stabellini ----- Original Message ----- > From: "Anthony PERARD" > To: "Paul Durrant" > Cc: qemu-devel@nongnu.org, xen-devel@lists.xenproject.org, "Stefano Stabellini" , "Paolo > Bonzini" > Sent: Wednesday, May 25, 2016 5:52:32 PM > Subject: Re: [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 > > Cc: Stefano Stabellini > > Cc: Anthony Perard > > Cc: Paolo Bonzini > > Acked-by: Anthony PERARD Do you have a signed GPG key or do I need to apply this for you? Thanks, Paolo