From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751950Ab3GIEM0 (ORCPT ); Tue, 9 Jul 2013 00:12:26 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:39247 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750709Ab3GIEMY (ORCPT ); Tue, 9 Jul 2013 00:12:24 -0400 X-Sasl-enc: VzzO1D0po3/fuP+79HIwDJSrhF99UFGZAzo2axnFOhQy 1373343143 Date: Mon, 8 Jul 2013 21:13:21 -0700 From: Greg KH To: Pavel Machek Cc: kernel list , joe.lawrence@stratus.com, myron.stowe@redhat.com, bhelgaas@google.com Subject: Re: /sys/module/pcie_aspm/parameters/policy not writable? Message-ID: <20130709041321.GA30555@kroah.com> References: <20130709012611.GA22371@amd.pavel.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130709012611.GA22371@amd.pavel.ucw.cz> 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 Tue, Jul 09, 2013 at 03:26:11AM +0200, Pavel Machek wrote: > Hi! > > My thinkpad has rather high ping latencies... and perhaps it is due to > PCIE ASPM. Why would that be the problem? The odds that the PCIE bus is the issue seems strange to me. greg k-h