From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751425AbcKGH3L (ORCPT ); Mon, 7 Nov 2016 02:29:11 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:33611 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750764AbcKGH3K (ORCPT ); Mon, 7 Nov 2016 02:29:10 -0500 Date: Mon, 7 Nov 2016 08:29:06 +0100 From: Ingo Molnar To: Borislav Petkov Cc: x86@kernel.org, Yazen Ghannam , linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 2/2] x86/AMD: Group cpu_llc_id assignment by topology feature and family Message-ID: <20161107072906.GA26938@gmail.com> References: <1478019063-2632-1-git-send-email-Yazen.Ghannam@amd.com> <1478019063-2632-2-git-send-email-Yazen.Ghannam@amd.com> <20161102201541.zdr23pt4seyrlhyf@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161102201541.zdr23pt4seyrlhyf@pd.tnic> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Borislav Petkov wrote: > Ditto, clean it up and add tags: > > --- > From: Yazen Ghannam > Date: Tue, 1 Nov 2016 11:51:03 -0500 > Subject: [PATCH] x86/AMD: Group cpu_llc_id assignment > > Currently, we assume that a system has multiple last level caches only > if there are multiple nodes, and that the cpu_llc_id is equal to the > node_id. This no longer applies since Fam17h can have multiple last > level caches within a node. Wondering what the practical effect of this is - is any current hardware affected, and if yes, what are the effects of this patch? Thanks, Ingo