From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58464) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VB4GK-0005iO-PI for qemu-devel@nongnu.org; Sun, 18 Aug 2013 10:47:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VB4GE-0003VX-R3 for qemu-devel@nongnu.org; Sun, 18 Aug 2013 10:47:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59748) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VB4GE-0003VO-Io for qemu-devel@nongnu.org; Sun, 18 Aug 2013 10:47:18 -0400 Message-ID: <5210DE49.7070100@redhat.com> Date: Sun, 18 Aug 2013 16:46:33 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <20130813125349.GA28317@redhat.com> <87a9klllyz.fsf@codemonkey.ws> <520A48C0.5000205@redhat.com> <520A4C8C.7090202@suse.de> <520A5059.10009@redhat.com> <520A575F.7040302@suse.de> In-Reply-To: <520A575F.7040302@suse.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH for-1.6] pc: fix up pc initialization List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?ISO-8859-1?Q?Andreas_F=E4rber?= Cc: Anthony Liguori , "Michael S. Tsirkin" , marcel.a@redhat.com, Michael Roth , qemu-devel@nongnu.org, Gerd Hoffmann , Igor Mammedov Il 13/08/2013 17:57, Andreas F=E4rber ha scritto: > Am 13.08.2013 17:27, schrieb Paolo Bonzini: >> All that should happen is that after migration you will not get panic >> notifications on the destination. >=20 > Well, how does the Linux driver cope with pvpanic device present on boo= t > but not present on panic? ISA PIO is not usually expected to be > hot-unplugged. ;) On panic, the driver does a single "outb". That outb will simply go to the bitbucket. Paolo