From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752607AbbAGLmm (ORCPT ); Wed, 7 Jan 2015 06:42:42 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:53796 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750998AbbAGLml (ORCPT ); Wed, 7 Jan 2015 06:42:41 -0500 Date: Wed, 7 Jan 2015 12:42:35 +0100 From: Peter Zijlstra To: Andi Kleen Cc: linux-kernel@vger.kernel.org, Andi Kleen , stable@vger.kernel.org Subject: Re: [PATCH] perf, x86, uncore, hsw-ep: Handle systems with only two SBOXes Message-ID: <20150107114235.GF23965@worktop.programming.kicks-ass.net> References: <1420583675-9163-1-git-send-email-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1420583675-9163-1-git-send-email-andi@firstfloor.org> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 06, 2015 at 02:34:35PM -0800, Andi Kleen wrote: > From: Andi Kleen > > There was another report of a boot failure with a #GP fault in the > uncore SBOX initialization. The earlier work around was not enough > for this system. > > The boot was failing while trying to initialize the third SBOX. > > This patch detects parts with only two SBOXes and limits the number > of SBOX units to two there. > Thanks!