From nobody Tue Feb 10 11:23:51 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1556040354; cv=none; d=zoho.com; s=zohoarc; b=WK1dSQepGzFBEoAcSNAJjZetjGOLfPXx4OUkrRJh3n95JqxegTs734x7JKc20stGyOLNoJRfp2MHvnR4t/88q3A8W9MrGcsAfE+MT+HGTtswR8GVvBkhZ5FXWncArkD2ZesS3ZzuEuRFzFJatWsvpUUgkmknrURoo5RllUT/waw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1556040354; h=Content-Type:Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=/Xh1klqgPAji/MuNx0BFV+/ArvKiZxB6FDYOq5zdnK8=; b=j6KlCZknzDOt6UJDdoOm0TxvVOy9i70QdieekRZfaSQ8VDAFCWk44LgqFEspl0ZGdfLy0HyW6zu+Q8KmQ5ARYeQI1PH3WSB9gVxrlbVC9ZjQYP6rhYqoOIT/YnVwGOVGf8x0+qDKYZ99d6cUPWXu06jBAm9zeZFzFUoACUZW4mg= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1556040354900685.8766708252665; Tue, 23 Apr 2019 10:25:54 -0700 (PDT) Received: from localhost ([127.0.0.1]:57118 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIzAz-0003rP-RA for importer@patchew.org; Tue, 23 Apr 2019 13:25:49 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37088) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIz1q-0005Hv-0F for qemu-devel@nongnu.org; Tue, 23 Apr 2019 13:16:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hIz1o-0005tb-0l for qemu-devel@nongnu.org; Tue, 23 Apr 2019 13:16:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54460) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hIz1n-0005sn-RI for qemu-devel@nongnu.org; Tue, 23 Apr 2019 13:16:19 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 77E75308A107; Tue, 23 Apr 2019 17:16:18 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-125-214.rdu2.redhat.com [10.10.125.214]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1CF6A19729; Tue, 23 Apr 2019 17:16:04 +0000 (UTC) From: Laszlo Ersek To: berrange@redhat.com, eblake@redhat.com, f4bug@amsat.org, imammedo@redhat.com, kraxel@redhat.com, mprivozn@redhat.com, mst@redhat.com, peter.maydell@linaro.org, philmd@redhat.com, qemu-devel@nongnu.org Date: Tue, 23 Apr 2019 19:15:13 +0200 Message-Id: <20190423171520.4511-6-lersek@redhat.com> In-Reply-To: <20190423171520.4511-1-lersek@redhat.com> References: <20190423171520.4511-1-lersek@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Tue, 23 Apr 2019 17:16:18 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 05/12] roms/edk2-funcs.sh: add the qemu_edk2_get_thread_count() function X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" The edk2 "build" utility natively supports building modules (that is, INF files) in parallel. The feature is not useful when building a single module (with the "-m" option), but it is useful for platform firmware builds (which include many modules). Add a function that determines the "-n" option argument for "build", from the MAKEFLAGS variable (i.e. based on the presence of a make job server). Signed-off-by: Laszlo Ersek Reviewed-by: Philippe Mathieu-Daud=C3=A9 Tested-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Michal Privoznik Reviewed-by: Michael S. Tsirkin Tested-by: Igor Mammedov Reviewed-by: Igor Mammedov --- Notes: pull: =20 - pick up Igor's R-b =20 v4: =20 - no change =20 v3: =20 - pick up Igor's T-b =20 v2: =20 - pick up Phil's R-b / T-b =20 - pick up Michal's and Michael's R-b's roms/edk2-funcs.sh | 25 ++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/roms/edk2-funcs.sh b/roms/edk2-funcs.sh index d1cb1e4a111e..a9fae7ee891b 100644 --- a/roms/edk2-funcs.sh +++ b/roms/edk2-funcs.sh @@ -226,3 +226,28 @@ qemu_edk2_set_cross_env() =20 eval "export $cross_prefix_var=3D\$cross_prefix" } + + +# Determine the "-n" option argument (that is, the number of modules to bu= ild +# in parallel) for the edk2 "build" utility. Print the result to the stand= ard +# output. +# +# Parameters: +# $1: the value of the MAKEFLAGS variable +qemu_edk2_get_thread_count() +{ + local makeflags=3D"$1" + + if [[ "$makeflags" =3D=3D *--jobserver-auth=3D* ]] || + [[ "$makeflags" =3D=3D *--jobserver-fds=3D* ]]; then + # If there is a job server, allow the edk2 "build" utility to parallel= ize + # as many module builds as there are logical CPUs in the system. The "= make" + # instances forked by "build" are supposed to limit themselves through= the + # job server. The zero value below causes the edk2 "build" utility to = fetch + # the logical CPU count with Python's multiprocessing.cpu_count() meth= od. + printf '0\n' + else + # Build a single module at a time. + printf '1\n' + fi +} --=20 2.19.1.3.g30247aa5d201