From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757587Ab2EYPpN (ORCPT ); Fri, 25 May 2012 11:45:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58417 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752893Ab2EYPpL (ORCPT ); Fri, 25 May 2012 11:45:11 -0400 Date: Fri, 25 May 2012 12:39:50 -0300 From: Marcelo Tosatti To: Sasha Levin Cc: Avi Kivity , Linus Torvalds , linux-kernel , KVM list Subject: Re: [GIT PULL] KVM updates for Linux 3.5 Message-ID: <20120525153950.GB11355@amt.cnet> References: <4FBB8FD0.9050804@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 25, 2012 at 12:13:15PM +0200, Sasha Levin wrote: > Hi Avi, > > On Tue, May 22, 2012 at 3:08 PM, Avi Kivity wrote: > >      KVM guest: make kvm_para_available() check hypervisor bit reading > > cpuid leaf > > I've reported this patch to cause a hang on hypervisors that don't set > the hypervisor bit. Can we somehow fix that before this patch actually > goes into mainline? Should set the hypervisor bit (see kvm-devel reply) otherwise there are known causes for crashes.