From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D08B3C433DF for ; Thu, 28 May 2020 22:38:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA7CB206F1 for ; Thu, 28 May 2020 22:38:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Dn6j24tf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437257AbgE1WiF (ORCPT ); Thu, 28 May 2020 18:38:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2436945AbgE1WiB (ORCPT ); Thu, 28 May 2020 18:38:01 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17D3EC08C5C6 for ; Thu, 28 May 2020 15:38:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=5JtCJN4R91Qw51mlPzBtDAjT1k3jMKVe+nsnhQ4R1w8=; b=Dn6j24tf1xQfTci0TdCtf/EDX6 eWvDSpUR07JtIu6SP/hvQrZkwqMYBCRTsuY8qiWAI/Bd5n++TUb1tqkKftYBDYAkkJuYT1bO51ONf aAcIF9nXCrdw8MebTQLNtSy0N26TyK7wqB8XNeUPpsGyOnc7h4EcFm8dvMW/BsazeKPVwKi95JjhQ avCEh2vKL0u2pw4LTbAtPUl2Pdnf884bipcMiEI4lbkjKDpSIjSY9TAwzhuTDO/Q7BBQAvyolr1Ns iPAHAscUXgGRwEr5IjghVn4JGIOrpdCFzfZdk9lj7OTMg9vS/upHxwS9x+Qi9+irdEk34Mh3ls04U xF4uuc6g==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeR9o-0006tZ-QD; Thu, 28 May 2020 22:37:48 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 4215F9834F3; Fri, 29 May 2020 00:37:46 +0200 (CEST) Date: Fri, 29 May 2020 00:37:46 +0200 From: Peter Zijlstra To: Lai Jiangshan Cc: Thomas Gleixner , Andy Lutomirski , LKML , X86 ML , Lai Jiangshan , Sean Christopherson , andrew.cooper3@citrix.com, daniel.thompson@linaro.org Subject: Re: [RFC][PATCH 6/6] x86/entry: Remove DBn stacks Message-ID: <20200528223746.GT2483@worktop.programming.kicks-ass.net> References: <20200528201937.038455891@infradead.org> <20200528202328.708732152@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 29, 2020 at 06:35:07AM +0800, Lai Jiangshan wrote: > There will be a compile error about N_EXCEPTION_STACKS > in arch/x86/kernel/dumpstack_64.c. It should have > > - BUILD_BUG_ON(N_EXCEPTION_STACKS != 6); > + BUILD_BUG_ON(N_EXCEPTION_STACKS != 4); Yeah, I actually have that, but forgot to refresh before sending :/