From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752829AbaATIjX (ORCPT ); Mon, 20 Jan 2014 03:39:23 -0500 Received: from merlin.infradead.org ([205.233.59.134]:50544 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750765AbaATIjS (ORCPT ); Mon, 20 Jan 2014 03:39:18 -0500 Date: Mon, 20 Jan 2014 09:38:59 +0100 From: Peter Zijlstra To: Don Zickus Cc: LKML , Dave Young , Vivek Goyal , Cyrill Gorcunov Subject: Re: [PATCH] x86, perf_p4: block PMIs on init to prevent a stream of unkown NMIs Message-ID: <20140120083859.GD30183@twins.programming.kicks-ass.net> References: <1389973301-134448-1-git-send-email-dzickus@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1389973301-134448-1-git-send-email-dzickus@redhat.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 17, 2014 at 10:41:41AM -0500, Don Zickus wrote: > I could have removed the ENABLE bit too, but was worried it would impact > BIOS vendors secret ability to monitor cpu states. I figured the ability to > generate a PMI or not is not interesting to them and chose that route instead. You worry about the wrong things, just clear the things.