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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 A2A28C4321D for ; Mon, 20 Aug 2018 07:30:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 387AB21473 for ; Mon, 20 Aug 2018 07:30:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 387AB21473 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726194AbeHTKoo (ORCPT ); Mon, 20 Aug 2018 06:44:44 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:54539 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726009AbeHTKon (ORCPT ); Mon, 20 Aug 2018 06:44:43 -0400 Received: from p4fea45ac.dip0.t-ipconnect.de ([79.234.69.172] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1fredc-0007bs-E4; Mon, 20 Aug 2018 09:30:08 +0200 Date: Mon, 20 Aug 2018 09:30:07 +0200 (CEST) From: Thomas Gleixner To: Andy Lutomirski cc: Rian Hunter , linux-kernel@vger.kernel.org, Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Andy Lutomirski , Borislav Petkov , Vitaly Kuznetsov , Joerg Roedel , Dmitry Safonov , Josh Poimboeuf Subject: Re: [PATCH] x86/process: Export start_thread() In-Reply-To: <53141AE9-7192-432B-8A27-25986CF442D4@amacapital.net> Message-ID: References: <20180819230854.7275-1-rian@alum.mit.edu> <53141AE9-7192-432B-8A27-25986CF442D4@amacapital.net> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 19 Aug 2018, Andy Lutomirski wrote: > > On Aug 19, 2018, at 4:08 PM, Rian Hunter wrote: > > > > Commit e634d8fc792c ("x86-64: merge the standard and compat > > start_thread() functions") removed exporting for the start_thread() > > function in what seems like a typo. Add it back to > > arch/x86/kernel/process_64.c for parity with process_32.c and other > > arch. > > What for? Perhaps 32-bit could remove it instead? No. start_thread() is called from various binfmt implementations which can be built as modules. Thanks, tglx