From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753475AbaCGRmA (ORCPT ); Fri, 7 Mar 2014 12:42:00 -0500 Received: from mx1.redhat.com ([209.132.183.28]:29687 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752092AbaCGRl6 (ORCPT ); Fri, 7 Mar 2014 12:41:58 -0500 Date: Fri, 7 Mar 2014 14:41:39 -0300 From: Marcelo Tosatti To: "Li, Bin (Bin)" Cc: Paolo Bonzini , "kvm@vger.kernel.org" , "Jatania, Neel (Neel)" , "linux-kernel@vger.kernel.org" Subject: Re: Enhancement for PLE handler in KVM Message-ID: <20140307174139.GB30738@amt.cnet> References: <53061044.2000009@alcatel-lucent.com> <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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <72F5E0D8DB6D83469579E473AD72DB23779F63B3@US70UWXCHMBA01.zam.alcatel-lucent.com> 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, Mar 07, 2014 at 02:26:19PM +0000, Li, Bin (Bin) wrote: > Can we have "per-VM PLE values"? > > My understanding is that the ple values are kvm module setting which applying to all VMs in the system. > And all vms must be stopped first, then unload kvm-intel, reload kvm-intel with new ple setting. > > /sbin/modprobe -r kvm-intel > /sbin/modprobe kvm-intel ple_window=16384 > > Regards > Bin Yes, but it can be made per-VM (its a VMCS field).