From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:60280) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkaYn-0001U6-St for qemu-devel@nongnu.org; Mon, 17 Dec 2012 08:16:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TkaYg-0007VB-CW for qemu-devel@nongnu.org; Mon, 17 Dec 2012 08:16:45 -0500 Received: from mx1.redhat.com ([209.132.183.28]:21913) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkaYg-0007Ux-4p for qemu-devel@nongnu.org; Mon, 17 Dec 2012 08:16:38 -0500 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id qBHDGb31009217 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 17 Dec 2012 08:16:37 -0500 Message-ID: <50CF1B33.7060708@redhat.com> Date: Mon, 17 Dec 2012 14:16:35 +0100 From: Gerd Hoffmann MIME-Version: 1.0 References: <1355492147-5023-1-git-send-email-hdegoede@redhat.com> <1355492147-5023-10-git-send-email-hdegoede@redhat.com> In-Reply-To: <1355492147-5023-10-git-send-email-hdegoede@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 09/26] ehci: Use uframe precision for interrupt threshold checking List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Hans de Goede Cc: qemu-devel@nongnu.org On 12/14/12 14:35, Hans de Goede wrote: > Note that a shadow variable is used instead of changing frindex to > uframe accuracy because we must send a frindex which is a multiple of 8 > during migration for migration compatibility, and rounding it down to > a multiple of 8 pre-migration, can lead to frindex going backwards from > the guest pov. Jumping forward instead? cheers, Gerd