From patchwork Wed Dec 5 07:38:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 152875 Delivered-To: patch@linaro.org Received: by 2002:a2e:299d:0:0:0:0:0 with SMTP id p29-v6csp8996628ljp; Tue, 4 Dec 2018 23:38:44 -0800 (PST) X-Google-Smtp-Source: AFSGD/WfQ9+foRWsO98Ic1Zl14wxDGV68h0cdTrI6rtIBnNQJnoZjd2x9enx2KJpjaiaH4Oq/DgO X-Received: by 2002:a17:902:aa82:: with SMTP id d2mr14568218plr.153.1543995523888; Tue, 04 Dec 2018 23:38:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543995523; cv=none; d=google.com; s=arc-20160816; b=LSWvn2MI0cawSliCF1GJyIGvRi41RYI8n9vIlaxzlc5sc9zQ+Nem7RoeRJ6MjcByaF 6mXlEOpGz9tlAAbHX1jX35mFk6Y0x1t/6NuScKLT8/3avTzhWixm0HCh7ZH/GxZ3jib3 1YCyoQ7QGBm/fO1iM65ypZU2bmRatkphUDt0972pUHK7bkBCRMT7zkw/UvF5VzyqxLOB uLlKq9BaT58Et8Pmw8jRTiSzKKfGR9hjV9TE2xBO9m3bwC1dFDYXsyftaEx6QLOoL/Cd xq5/VyF8uma8g1RiqiSJqSvIgu0VwCU4Az/y1VBhQbhIzwX5WT/Z35BntjZ/J2Fs37dA SHXg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter; bh=eGCqsSq3nENOotaoVO1vK+Z80FTfkETIFwDDyIqiXrM=; b=t06tnHvgBsgk+orMufF56I6P1zDC+NnJp1WZJ84cdl9q+L8+U+4RL65JyBSWKfy0Y+ sCrW+/Ja/gIVMh5fbVuNSYLuYru0HcR93RC0y6qEz3D3NfjD4LxnsGddoTQfh8GwDpa+ 1C/bWY34C8OMY3V9u/dQH4vUGP7smPAIMhbmUaL+S3G9FvXO5btc7NnoLF+jmSDV61On ep+sIfbBTUbwJqCu8Y/nHcYVdTh1huHPNqTazNW3+tqecgwj+OjCRhetRLMYsxE/Kn/z ccbiUKGmxtPT0NptAbkJgEfu+sz+sdqSP/7a/tbw4gXR6lbz7cg/REtKLWUyOpapuG9s 8dow== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=OVD8advv; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l36si14006858plb.433.2018.12.04.23.38.43; Tue, 04 Dec 2018 23:38:43 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=OVD8advv; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727194AbeLEHil (ORCPT + 31 others); Wed, 5 Dec 2018 02:38:41 -0500 Received: from conuserg-10.nifty.com ([210.131.2.77]:26153 "EHLO conuserg-10.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726820AbeLEHil (ORCPT ); Wed, 5 Dec 2018 02:38:41 -0500 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-10.nifty.com with ESMTP id wB57caND020089; Wed, 5 Dec 2018 16:38:36 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com wB57caND020089 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1543995517; bh=eGCqsSq3nENOotaoVO1vK+Z80FTfkETIFwDDyIqiXrM=; h=From:To:Cc:Subject:Date:From; b=OVD8advvHOPfs1qKwmMzFjQ1g3JsMqb92H8PZNMj+LyGpnFh+7/Wb1Eg0VpTtNQ+n dmGnZvtiOK8tHX3FqhYhqrG3FRTFbqjZ6/js8cd5SFms2mi9N1aKMuciADxh4xEOcF jNAQ+8g73RgaTJ1+G92avRT73JWUw7zfB5zw32kUcCKlcvYoTu0MTCxtkmH/rZbCAD 5S0serH5Ckz0vzdl2GUlOgdpssP73A/np617iU6XrHWoT53P2X7LuUyoP911DWdN3c oKa0V1iik/mmpQwXymqoq1vLRcxepH7qkmwzESSTJZXTr/ssxmiNnJ46whqOiTcv6V R2w4ff+SkRCJQ== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Masahiro Yamada , Michal Marek , linux-kernel@vger.kernel.org Subject: [PATCH] kbuild: exploit parallel building for CONFIG_HEADERS_CHECK Date: Wed, 5 Dec 2018 16:38:35 +0900 Message-Id: <1543995515-25178-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When CONFIG_HEADERS_CHECK is enabled, the headers_check is executed as a serialized task in the vmlinux recipe. Make it independent of vmlinux so that parallel building can process the headers_check and other build targets simultaneously. Signed-off-by: Masahiro Yamada --- Makefile | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) -- 2.7.4 diff --git a/Makefile b/Makefile index 3af0379..2808a7d 100644 --- a/Makefile +++ b/Makefile @@ -1035,9 +1035,6 @@ cmd_link-vmlinux = \ $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE -ifdef CONFIG_HEADERS_CHECK - $(Q)$(MAKE) -f $(srctree)/Makefile headers_check -endif ifdef CONFIG_GDB_SCRIPTS $(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py) endif @@ -1208,6 +1205,10 @@ headers_check: headers_install $(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1 $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) HDRCHECK=1 +ifdef CONFIG_HEADERS_CHECK +all: headers_check +endif + # --------------------------------------------------------------------------- # Kernel selftest