From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [Qemu-devel] [PATCH v4 4/7] RTC: Set internal millisecond register to 500ms when reset divider Date: Tue, 20 Mar 2012 18:41:19 +0100 Message-ID: <4F68C13F.4090203@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "Zhang, Yang Z" , "qemu-devel@nongnu.org" , "aliguori@us.ibm.com" , "kvm@vger.kernel.org" To: Stefano Stabellini Return-path: Received: from mx1.redhat.com ([209.132.183.28]:54273 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751256Ab2CTRl2 (ORCPT ); Tue, 20 Mar 2012 13:41:28 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Il 20/03/2012 18:39, Stefano Stabellini ha scritto: > This code is new: does it mean we were not handling divider reset > correctly before? > Also if we are trying to handle the DV registers, shouldn't we emulated > the other RTC frequencies as well? If so, we need a scale factor, in > addition to an offset to QEMU rtc_clock. The other frequencies are never used in practice. But divider reset's 500ms delay can be used in tests. Paolo