From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:56797) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TQEuQ-0004Eh-3I for qemu-devel@nongnu.org; Mon, 22 Oct 2012 06:07:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TQEuK-0001g2-BV for qemu-devel@nongnu.org; Mon, 22 Oct 2012 06:06:57 -0400 Received: from cantor2.suse.de ([195.135.220.15]:33304 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TQEuK-0001fg-5J for qemu-devel@nongnu.org; Mon, 22 Oct 2012 06:06:52 -0400 Message-ID: <50851AB2.1060304@suse.de> Date: Mon, 22 Oct 2012 12:06:42 +0200 From: =?ISO-8859-1?Q?Andreas_F=E4rber?= MIME-Version: 1.0 References: <20121018150127.GA29551@redhat.com> In-Reply-To: <20121018150127.GA29551@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCHv3] qemu: enable PV EOI for qemu 1.3 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: Anthony Liguori , Eduardo Habkost , Jan Kiszka , Don Slutz , qemu-devel@nongnu.org, Blue Swirl , Igor Mammedov Am 18.10.2012 17:01, schrieb Michael S. Tsirkin: > Enable KVM PV EOI by default. You can still disable it with > -kvm_pv_eoi cpu flag. To avoid breaking cross-version migration, > enable only for qemu 1.3 (or in the future, newer) machine type. >=20 > Signed-off-by: Michael S. Tsirkin Thanks for updating, Reviewed-by: Andreas F=E4rber The commit message is not so telling whether there are any downsides (security implications?) to enabling this by default if supported, so I'll leave it to Anthony to ack/apply this. Regards, Andreas --=20 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imend=F6rffer; HRB 16746 AG N=FCrnbe= rg