From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH v2] KVM: x86: keep eoi exit bitmap accurate before loading it. Date: Thu, 28 Aug 2014 13:00:56 +0200 Message-ID: <53FF0BE8.6020203@redhat.com> References: <1409148331-5964-1-git-send-email-wei.w.wang@intel.com> <53FDEAC2.7020906@redhat.com> <53FEEBD4.8030202@redhat.com> <286AC319A985734F985F78AFA26841F77A60A6@shsmsx102.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: "alex.williamson@redhat.com" To: "Wang, Wei W" , "Zhang, Yang Z" , "kvm@vger.kernel.org" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:51991 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965139AbaH1LBQ (ORCPT ); Thu, 28 Aug 2014 07:01:16 -0400 In-Reply-To: <286AC319A985734F985F78AFA26841F77A60A6@shsmsx102.ccr.corp.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Il 28/08/2014 12:14, Wang, Wei W ha scritto: > We will do some more tests on it to make sure there are no problems. No, I don't think there are any easily-detected practical problems with the patch. But I'm not sure I understand all the theoretical problems and whether possible races are benign. These would be really hard to debug, unless you get a bug that is 100% reproducible. Paolo