From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753514AbaCLNF1 (ORCPT ); Wed, 12 Mar 2014 09:05:27 -0400 Received: from ihemail3.lucent.com ([135.245.0.37]:46949 "EHLO ihemail3.lucent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752472AbaCLNFU (ORCPT ); Wed, 12 Mar 2014 09:05:20 -0400 Message-ID: <53205B87.1080508@alcatel-lucent.com> Date: Wed, 12 Mar 2014 09:05:11 -0400 From: "Li, Bin (Bin)" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130809 Thunderbird/17.0.8 MIME-Version: 1.0 To: Paolo Bonzini CC: Marcelo Tosatti , "kvm@vger.kernel.org" , "Jatania, Neel (Neel)" , "linux-kernel@vger.kernel.org" Subject: Re: Enhancement for PLE handler in KVM References: <530B9637.6030708@alcatel-lucent.com> <5314C8C3.3090607@alcatel-lucent.com> <5314D61B.9050407@redhat.com> <72F5E0D8DB6D83469579E473AD72DB23779EFF64@US70UWXCHMBA01.zam.alcatel-lucent.com> <53173961.6080301@redhat.com> <72F5E0D8DB6D83469579E473AD72DB23779F1B6B@US70UWXCHMBA01.zam.alcatel-lucent.com> <20140307030636.GA13701@amt.cnet> <72F5E0D8DB6D83469579E473AD72DB23779F63B3@US70UWXCHMBA01.zam.alcatel-lucent.com> <20140307174139.GB30738@amt.cnet> <72F5E0D8DB6D83469579E473AD72DB23779F88CA@US70UWXCHMBA01.zam.alcatel-lucent.com> <20140308015416.GA26349@amt.cnet> <531F19D7.6030909@alcatel-lucent.com> <531F364C.5020406@redhat.com> In-Reply-To: <531F364C.5020406@redhat.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [135.5.27.17] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks, Paolo for the comments Understand the requirement to "fix it for all guest OSes". I will investigate the "new hypercall KVM_HC_HALT_AND_YIELD_TO_CPU that takes an APIC id, donates the quantum to that CPU, and puts the originating CPU in halted state. " Regards Bin