From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757171AbbCCSxM (ORCPT ); Tue, 3 Mar 2015 13:53:12 -0500 Received: from mail-qg0-f51.google.com ([209.85.192.51]:40882 "EHLO mail-qg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757012AbbCCSxG (ORCPT ); Tue, 3 Mar 2015 13:53:06 -0500 Date: Tue, 3 Mar 2015 13:53:02 -0500 From: Tejun Heo To: Borislav Petkov Cc: Andre Przywara , Sudeep Holla , linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org Subject: Re: [PATCH RFT v2] x86: move cacheinfo sysfs to generic cacheinfo infrastructure Message-ID: <20150303185302.GA14909@htj.duckdns.org> References: <20150224175749.GC3575@pd.tnic> <1425249564-28347-1-git-send-email-andre.przywara@arm.com> <20150303184527.GE3648@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150303184527.GE3648@pd.tnic> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Borislav. On Tue, Mar 03, 2015 at 07:45:27PM +0100, Borislav Petkov wrote: > Tejun, we have this change in user-visible masks formatting in sysfs > after your bitmaps printing changes: > > -cpu5/cache/index3/shared_cpu_map:00000000,0000003f > +cpu5/cache/index3/shared_cpu_map:3f > > What's the rationale on userspace parsing bitmaps in sysfs, we don't > care? We were alternating between the two forms depending on CONFIG_CPUMASK_OFFSTACK before. Now we're always sticking to the shorter format. Please see 513e3d2d11c9 ("cpumask: always use nr_cpu_ids in formatting and parsing functions"). Thanks. -- tejun