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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 B8DEEC433DF for ; Thu, 21 May 2020 03:58:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8466320671 for ; Thu, 21 May 2020 03:58:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590033525; bh=x51eZowcwKKiPfBwLywVfcZ/cK28r4qUIpFjtqAQPnQ=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=RbQi76XU/XAoeMEOqRchqKwjgOtrtiM9SzsAMAjstfKLHO8lbOvrFl3wcsKxOdw8N pLqlNwlRs9LrkfEnW+MpLzECbJfWDRxH1XPifGoVbUmk3CQyp1vKwQM0lDqsW26wBA Ky99xa4aH/mHJF/6eoKu15uLKFOZ6edY1/osg/V8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728212AbgEUD6o (ORCPT ); Wed, 20 May 2020 23:58:44 -0400 Received: from conssluserg-02.nifty.com ([210.131.2.81]:33507 "EHLO conssluserg-02.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727007AbgEUD6o (ORCPT ); Wed, 20 May 2020 23:58:44 -0400 Received: from mail-ua1-f45.google.com (mail-ua1-f45.google.com [209.85.222.45]) (authenticated) by conssluserg-02.nifty.com with ESMTP id 04L3w7WE015180; Thu, 21 May 2020 12:58:08 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-02.nifty.com 04L3w7WE015180 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1590033488; bh=cdcXcp7GKJaQpoiglOE1SstMA8V7OfLShCEkDd6sbPw=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=abdOFj1i0J9pa0dxt1L9GfRe+lMOKG1wZ3CCJCF+SzSFEoaPuc1hJ8bYGoP704Uj7 R/gOJmRfaCjwbNnvbgDTpqwyfnK5GvXBum1ba2dZwe2YvJK52dwLS6wFpGKavxCE8j +EhQ1PUju1nA9lCJBHl6LN2WyBLZugw5aJO/Km/zMcfMychRu9rZrnFIhQMD5DiQQy dij8j+BRLGFD+M0uGpHbgW/1DE/fbZLyPRzZL7IG6sQv/gDegR1LJpuuXViuWW+LVU gxXatApVeJwJv/QCXA0bFFua+QHZfD2wZKW6KcgCdrQcSgT/3fu/irvKzi6T3szDbz IOcU+AOvuP7Fw== X-Nifty-SrcIP: [209.85.222.45] Received: by mail-ua1-f45.google.com with SMTP id c17so2113968uaq.13; Wed, 20 May 2020 20:58:08 -0700 (PDT) X-Gm-Message-State: AOAM533JdntVdi1/4nQUYtl3V94YzkkthB9AMrUnrNSht501yPhSfrWN y1wSqdnzgC3kOIPQrORlVzbkxxvE3nowDnXHVZM= X-Google-Smtp-Source: ABdhPJzpnqCQGJ4c2bi+MEob+kwmt7nGFJPa9S2qehtmVIvnGWQiwFvzL8eOgt3jRjoUpdjLDDnbTBvWPi4aQIIDzNA= X-Received: by 2002:a9f:3e0d:: with SMTP id o13mr5991460uai.25.1590033486833; Wed, 20 May 2020 20:58:06 -0700 (PDT) MIME-Version: 1.0 References: <20200517094859.2376211-1-masahiroy@kernel.org> <20200517094859.2376211-10-masahiroy@kernel.org> In-Reply-To: From: Masahiro Yamada Date: Thu, 21 May 2020 12:57:31 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 09/29] kbuild: disallow multi-word in M= or KBUILD_EXTMOD To: David Laight Cc: "linux-kbuild@vger.kernel.org" , Jessica Yu , Michal Marek , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 17, 2020 at 9:33 PM David Laight wrote: > > From: Masahiro Yamada > > Sent: 17 May 2020 10:49 > > $(firstword ...) in scripts/Makefile.modpost was added by commit > > 3f3fd3c05585 ("[PATCH] kbuild: allow multi-word $M in Makefile.modpost") > > to build multiple external module directories. > > > > This feature has been broken for a while. Remove the bitrotten code, and > > stop parsing if M or KBUILD_EXTMOD contains multiple words. > > ISTR that one of the kernel documentation files says that it is possible > to build multiple modules together in order to avoid 'faffing' with > exported symbol lists. > > So the docs need updating to match. Do you remember which doc mentions it? > David > > - > Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK > Registration No: 1397386 (Wales) > -- Best Regards Masahiro Yamada