Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964793AbbGWVvX (ORCPT ); Thu, 23 Jul 2015 17:51:23 -0400 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:7415 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753863AbbGWVvV (ORCPT ); Thu, 23 Jul 2015 17:51:21 -0400 Date: Thu, 23 Jul 2015 23:50:41 +0200 From: Willy Tarreau To: Andy Lutomirski Cc: Steven Rostedt , Linus Torvalds , X86 ML , "linux-kernel@vger.kernel.org" , Borislav Petkov , Thomas Gleixner , Peter Zijlstra , Brian Gerst Subject: Re: Dealing with the NMI mess Message-ID: <20150723215041.GE3052@1wt.eu> References: <20150723173105.6795c0dc@gandalf.local.home> <20150723214603.GD3052@1wt.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 588 Lines: 16 On Thu, Jul 23, 2015 at 02:46:49PM -0700, Andy Lutomirski wrote: > On Thu, Jul 23, 2015 at 2:46 PM, Willy Tarreau wrote: > > Can't the back link of the TSS tell us where we come from ? At least > > it should not be manipulable from user-space. > > Not on 64-bit -- there are no tasks :) Ah crap, sorry for the noise then! Willy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/