From owner-freebsd-xen@FreeBSD.ORG Mon Sep 9 12:43:17 2013 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id BCE83CE9 for ; Mon, 9 Sep 2013 12:43:17 +0000 (UTC) (envelope-from lars@netapp.com) Received: from mx12.netapp.com (mx12.netapp.com [216.240.18.77]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 9C91B21A5 for ; Mon, 9 Sep 2013 12:43:17 +0000 (UTC) X-IronPort-AV: E=Sophos;i="4.90,866,1371106800"; d="asc'?scan'208";a="87950497" Received: from vmwexceht02-prd.hq.netapp.com ([10.106.76.240]) by mx12-out.netapp.com with ESMTP; 09 Sep 2013 05:43:15 -0700 Received: from SACEXCMBX01-PRD.hq.netapp.com ([169.254.2.116]) by vmwexceht02-prd.hq.netapp.com ([10.106.76.240]) with mapi id 14.03.0123.003; Mon, 9 Sep 2013 05:43:14 -0700 From: "Eggert, Lars" To: =?iso-8859-1?Q?Roger_Pau_Monn=E9?= Subject: Re: Xen 4.2 PV fails to boot -CURRENT PV domU Thread-Topic: Xen 4.2 PV fails to boot -CURRENT PV domU Thread-Index: AQHOrT2nwODWDYQxEkq7Ix5Y8FAnCpm9wSgAgAAD0ICAAALLgIAAB2QA Date: Mon, 9 Sep 2013 12:43:14 +0000 Message-ID: References: <455A20DD-3985-45EC-AC51-A3AFD33180F1@netapp.com> <522DB6A2.5050205@citrix.com> <522DBC2D.8050701@citrix.com> In-Reply-To: <522DBC2D.8050701@citrix.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.106.53.51] Content-Type: multipart/signed; boundary="Apple-Mail=_0645963A-9C06-40B3-A779-D2D6AEF5C0BA"; protocol="application/pgp-signature"; micalg=pgp-sha1 MIME-Version: 1.0 Cc: "freebsd-xen@freebsd.org" X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Sep 2013 12:43:17 -0000 --Apple-Mail=_0645963A-9C06-40B3-A779-D2D6AEF5C0BA Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Hi, On Sep 9, 2013, at 14:16, Roger Pau Monn=E9 wrote: > Performance will probably be better on most workloads with PVHVM if = you > have HAP (Intel's Extended Page Table or AMD's Nested Page Tables). = And > also, i386 PV port is limited to only one vcpu, while PVHVM will allow > you to use as many vcpus as you want. >=20 > PVHVM certainly has a higher resource requirement because it requires > you to have a Qemu instance for each running VM, but that process is > going to be idle most of the time (Qemu is mainly needed for booting). thanks for the explanation. Is there an ETA for when the PVHVM code will = be merged into the main -CURRENT tree? Lars --Apple-Mail=_0645963A-9C06-40B3-A779-D2D6AEF5C0BA Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iQCVAwUBUi3CYNZcnpRveo1xAQIW+gP+OpAqoHIBYuvJc/xgMtve5SZfuVZwDTEo 7TBPDzMq5t3uhDlZhWXGRv4UblFb55j7CKeGgtadfZdLZe/HHpPcUHIGDAm+1TtM ICbFrozQjXftcRjxeZuOpfNISuKp7mQ98bnzygkbJP5byz/cv/1fJnAyyhjiXeZo NQEKurI7JBM= =nNlT -----END PGP SIGNATURE----- --Apple-Mail=_0645963A-9C06-40B3-A779-D2D6AEF5C0BA--