From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753381AbbDMHHg (ORCPT ); Mon, 13 Apr 2015 03:07:36 -0400 Received: from mail.emea.novell.com ([130.57.118.101]:34838 "EHLO mail.emea.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752589AbbDMHHe convert rfc822-to-8bit (ORCPT ); Mon, 13 Apr 2015 03:07:34 -0400 Message-Id: <552B875102000078000714EB@mail.emea.novell.com> X-Mailer: Novell GroupWise Internet Agent 14.0.1 Date: Mon, 13 Apr 2015 08:07:29 +0100 From: "Jan Beulich" To: "Andi Kleen" Cc: "Borislav Petkov" , "Andy Lutomirski" , "Steven Rostedt" , "Andrew Lutomirski" , "X86 ML" , "Andi Kleen" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 4/8] x86: Add support for rd/wr fs/gs base References: <1428681033-1549-1-git-send-email-andi@firstfloor.org> <1428681033-1549-5-git-send-email-andi@firstfloor.org> <20150410202132.GQ15335@tassilo.jf.intel.com> <20150410204125.GS15335@tassilo.jf.intel.com> <20150410225256.GY2366@two.firstfloor.org> <20150410230546.GA2366@two.firstfloor.org> In-Reply-To: <20150410230546.GA2366@two.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> On 11.04.15 at 01:05, wrote: >> One might argue that this code serves no purpose, but it's there, so >> we had better keep our per-invocation usage of DEBUG_STACK within 4k. > > Only if you run NKLD. I doubt KDB or GDB support nesting. > We can ask Jan if he still uses it. I didn't have the time to bring forward NLKD for the last several years. Jan