From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Hypercall for sleeping for some amount of time? Date: Fri, 23 Jan 2015 12:58:20 +0100 Message-ID: <54C2375C.2070705@redhat.com> References: <1592884.UZW4Xi8OkR@k> <54C219FC.7050203@redhat.com> <1644320.OpRzVAVdBs@k> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Gleb Natapov To: Stefan Fritsch Return-path: Received: from mx1.redhat.com ([209.132.183.28]:49060 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754203AbbAWL62 (ORCPT ); Fri, 23 Jan 2015 06:58:28 -0500 In-Reply-To: <1644320.OpRzVAVdBs@k> Sender: kvm-owner@vger.kernel.org List-ID: On 23/01/2015 12:18, Stefan Fritsch wrote: > Wasn't there some issue that Windows guests would then ask for a > driver? AIUI, pvpanic has been disabled by default for this reason. > Also, it would be nice if simplistic bootloaders without ACPI support > would also be able to use the feature. That was only XP and perhaps 2003. I think this is a very specialized usecase. In most cases you can use hlt. Paolo