From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60667) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDoEl-00031m-Lf for qemu-devel@nongnu.org; Fri, 17 Jun 2016 03:30:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bDoEg-0003Pe-MF for qemu-devel@nongnu.org; Fri, 17 Jun 2016 03:30:42 -0400 Received: from mout.web.de ([217.72.192.78]:60581) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDoEg-0003PH-7V for qemu-devel@nongnu.org; Fri, 17 Jun 2016 03:30:38 -0400 References: <1465828620-12666-1-git-send-email-marcel@redhat.com> <1465828620-12666-5-git-send-email-marcel@redhat.com> <20160614183827.GW18662@thinpad.lan.raisama.net> <5d0161ed-06ab-015d-f402-2a40d0efae8c@redhat.com> From: Jan Kiszka Message-ID: <5763A70C.5000506@web.de> Date: Fri, 17 Jun 2016 09:30:20 +0200 MIME-Version: 1.0 In-Reply-To: <5d0161ed-06ab-015d-f402-2a40d0efae8c@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="B4csxieOJm4W1DIwIkrct498SBHHo1ehQ" Subject: Re: [Qemu-devel] [PATCH v3 4/4] machine: remove iommu property List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , Eduardo Habkost , Marcel Apfelbaum Cc: qemu-devel@nongnu.org, mst@redhat.com, peterx@redhat.com, davidkiarie4@gmail.com, bd.aviv@gmail.com, alex.williamson@redhat.com, armbru@redhat.com This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --B4csxieOJm4W1DIwIkrct498SBHHo1ehQ From: Jan Kiszka To: Paolo Bonzini , Eduardo Habkost , Marcel Apfelbaum Cc: qemu-devel@nongnu.org, mst@redhat.com, peterx@redhat.com, davidkiarie4@gmail.com, bd.aviv@gmail.com, alex.williamson@redhat.com, armbru@redhat.com Message-ID: <5763A70C.5000506@web.de> Subject: Re: [Qemu-devel] [PATCH v3 4/4] machine: remove iommu property References: <1465828620-12666-1-git-send-email-marcel@redhat.com> <1465828620-12666-5-git-send-email-marcel@redhat.com> <20160614183827.GW18662@thinpad.lan.raisama.net> <5d0161ed-06ab-015d-f402-2a40d0efae8c@redhat.com> In-Reply-To: <5d0161ed-06ab-015d-f402-2a40d0efae8c@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 2016-06-15 00:03, Paolo Bonzini wrote: >=20 >=20 > On 14/06/2016 20:38, Eduardo Habkost wrote: >> On Mon, Jun 13, 2016 at 05:37:00PM +0300, Marcel Apfelbaum wrote: >>> Since iommu devices can be created with '-device' there is >>> no need to keep iommu as machine and mch property. >>> >>> Signed-off-by: Marcel Apfelbaum >> >> On the one hand, the option is present since v2.2.0. On the other >> hand, it is present only in q35, and the property really doesn't >> belong to TYPE_MACHINE (so even if we decide to keep it for a few >> releases, property registration needs to be moved to >> pc_q35_machine_options(). >> >> What kind of usage the existing code has, currently? Development >> and debugging only, or is there any chance somebody might be >> using it in production? >=20 > Definitely development and debugging only. Someone might be using it i= n > automated tests, but that's pretty much it. Agreed. Even we didn't recommended the IOMMU and therefore also this switch to Jailhouse users trying things out under QEMU (because we also need IR which isn't mainline yet). Jan --B4csxieOJm4W1DIwIkrct498SBHHo1ehQ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEARECAAYFAldjpxIACgkQitSsb3rl5xSM0wCgrbsZSNtsLLzcICkSrPihWSJp L6UAoOCDIluSykJTMaqYn75eU1MtYlbg =v/pi -----END PGP SIGNATURE----- --B4csxieOJm4W1DIwIkrct498SBHHo1ehQ--