From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:38109) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S0SX1-0004Bp-2S for qemu-devel@nongnu.org; Thu, 23 Feb 2012 01:52:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S0SX0-00042Z-3K for qemu-devel@nongnu.org; Thu, 23 Feb 2012 01:51:58 -0500 Received: from mail-ee0-f45.google.com ([74.125.83.45]:58593) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S0SWz-00042U-S2 for qemu-devel@nongnu.org; Thu, 23 Feb 2012 01:51:58 -0500 Received: by eekd17 with SMTP id d17so348420eek.4 for ; Wed, 22 Feb 2012 22:51:56 -0800 (PST) Sender: Paolo Bonzini Message-ID: <4F45E208.4020101@redhat.com> Date: Thu, 23 Feb 2012 07:51:52 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <4F41F91F.7060206@redhat.com> <4F44CF3B.9010208@redhat.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 0/4] RTC: New logic to emulate RTC List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Zhang, Yang Z" Cc: "aliguori@us.ibm.com" , Marcelo Tosatti , Jan Kiszka , "qemu-devel@nongnu.org" , "kvm@vger.kernel.org" On 02/23/2012 02:49 AM, Zhang, Yang Z wrote: >> > 6) Setting the clock after 500 ms happens not on every set, but only when moving >> > out of divider reset (register A bits 5-7 moving from 110 or 111 to 010). As far as >> > I can read, SET prevents the registers from changing value, but keeps the internal >> > sub-second counters running. > Do we really need this logic? It sounds like senseless. It doesn't seem hard to do, see my branch. Paolo