From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C5A7C43381 for ; Tue, 26 Feb 2019 18:51:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 467C4213A2 for ; Tue, 26 Feb 2019 18:51:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ftNbi+h2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728784AbfBZSve (ORCPT ); Tue, 26 Feb 2019 13:51:34 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:54820 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727054AbfBZSve (ORCPT ); Tue, 26 Feb 2019 13:51:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=zr86ervjjN0kTxtbCNxhF19WxQUCXtp23i2Q0cKcQWU=; b=ftNbi+h25/VQXK/d8pYxpz4jS CeH8pim2r9ds6lHO+D0St+q41p4wCJ6m+PR6kUbbcRe73OfyNOeDVQxKUCGHBnybqR6YC+Y/vYk8E Hcmhr9KR667xBOonC9Tqrd4MMpUCF7HKDEWFhMqKpwHnJdjAGYtrG4+c7AJxucuQAZGgCPV+rPC2F 0BnNkTfJghNBKBMUoNaTyYsqiY8+lNiCmZTsCm3szAe6S+TtmSXYXJsYArqTwjcJQw5Ym9JJLbpWh WZjq/l+UCPw9LS2TdbSWfu4aR4WcYr10vfS5VCEBWDSk3kMrjIjaDy2Q3HfxHyczohWotYgDBw3WC GD87j/ctA==; Received: from [188.207.104.89] (helo=worktop.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gyhpF-0005hI-IW; Tue, 26 Feb 2019 18:51:33 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 95C40984351; Tue, 26 Feb 2019 19:51:31 +0100 (CET) Date: Tue, 26 Feb 2019 19:51:31 +0100 From: Peter Zijlstra To: Len Brown Cc: x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/14] v2 multi-die/package topology support Message-ID: <20190226185131.GP2861@worktop.programming.kicks-ass.net> References: <20190226062012.23746-1-lenb@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190226062012.23746-1-lenb@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 26, 2019 at 01:19:58AM -0500, Len Brown wrote: > Restored sysfs core_siblings, core_siblings_list > > v1 proposed re-defining this existing attribute to > be the threads in a die, rather than in a package. > > For compatibility, decided rather to keep this > attribute unchanged, for now, even though > its name makes little sense, and it makes > no sense in a multi-die system. So why do things that make no sense? What breaks?