From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757046Ab0EaTsb (ORCPT ); Mon, 31 May 2010 15:48:31 -0400 Received: from relay3.sgi.com ([192.48.152.1]:49177 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752929Ab0EaTsa (ORCPT ); Mon, 31 May 2010 15:48:30 -0400 Date: Mon, 31 May 2010 14:48:49 -0500 From: Cliff Wickman To: Greg KH Cc: "H. Peter Anvin" , linux-kernel@vger.kernel.org, mingo@elte.hu Subject: Re: [PATCH V3] x86, UV: BAU performance and error recovery Message-ID: <20100531194849.GA5757@sgi.com> References: <4BFFEFA1.1020307@zytor.com> <20100528164725.GA29208@suse.de> <20100528194334.GA7707@sgi.com> <20100528222321.GC25513@suse.de> <20100528233623.GA11356@sgi.com> <20100529000526.GA30938@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100529000526.GA30938@suse.de> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 28, 2010 at 05:05:26PM -0700, Greg KH wrote: > On Fri, May 28, 2010 at 06:36:23PM -0500, Cliff Wickman wrote: > > /proc/sgi_uv/bau_tunables would be a read/write file to display and change > > nine threshold and delay values for tuning the BAU driver. > > > > I like debugfs, except that a distro may not build the kernel with it > > configured on. The tunables should be available as administrative > > options on a customer kernel, not just as a development tool. > > All distros have debugfs turned on now, and mounted, due to the perf > interface there, as well as a lot of other good debug information that > is present. > > So you don't have to worry about that. Good to hear. That makes the choice simple. > ... > > So please, just put it in debugfs. > > thanks, > > greg k-h Okay. I moved the file to debugfs, and will re-submit the patch momentarily. -Cliff -- Cliff Wickman SGI cpw@sgi.com (651) 683-3824