From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759172Ab2IESrR (ORCPT ); Wed, 5 Sep 2012 14:47:17 -0400 Received: from one.firstfloor.org ([213.235.205.2]:46403 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758827Ab2IESrP (ORCPT ); Wed, 5 Sep 2012 14:47:15 -0400 Date: Wed, 5 Sep 2012 20:47:08 +0200 From: Andi Kleen To: "Naveen N. Rao" Cc: ak@linux.intel.com, tony.luck@intel.com, andi@firstfloor.org, bp@amd64.org, x86@kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, ananth@in.ibm.com Subject: Re: [PATCH] [mcelog] Start using the new sysfs tunables location Message-ID: <20120905184708.GC16230@one.firstfloor.org> References: <20120905102156.9423.27806.stgit@localhost.localdomain> <20120905103237.9726.56131.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120905103237.9726.56131.stgit@localhost.localdomain> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 05, 2012 at 04:02:37PM +0530, Naveen N. Rao wrote: > All the current mce tunables are now available under > /sys/devices/system/machinecheck. Start using this new location, but fall back > to the older per-cpu location so that we continue working with older kernels. Who did that change in the kernel? That breaks Linus rule that the kernel should not break userland. Kernel needs to fix that. -Andi