From owner-freebsd-hackers@FreeBSD.ORG Tue Dec 4 18:42:47 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5F5C5273; Tue, 4 Dec 2012 18:42:47 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id 318348FC17; Tue, 4 Dec 2012 18:42:47 +0000 (UTC) Received: from pakbsde14.localnet (unknown [38.105.238.108]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 84637B95D; Tue, 4 Dec 2012 13:42:46 -0500 (EST) From: John Baldwin To: Andre Oppermann Subject: Re: kernel module parallel build? Date: Tue, 4 Dec 2012 10:52:51 -0500 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110714-p22; KDE/4.5.5; amd64; ; ) References: <5083D84E.50903@freebsd.org> <201210220928.52778.jhb@freebsd.org> <5096C79E.6020400@freebsd.org> In-Reply-To: <5096C79E.6020400@freebsd.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201212041052.51476.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Tue, 04 Dec 2012 13:42:46 -0500 (EST) Cc: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Dec 2012 18:42:47 -0000 On Sunday, November 04, 2012 2:53:02 pm Andre Oppermann wrote: > On 22.10.2012 15:28, John Baldwin wrote: > > On Sunday, October 21, 2012 7:11:10 am Andre Oppermann wrote: > >> What's keeping kernel modules from building in parallel with > >> "make -j8"? > > > > They don't for you? They do for me either via 'make buildkernel' > > or the old method. > > They do, but only partially. Within a module the files are built > in parallel. However the module directories seem to be serialized. > I'm a Makefile noob though. Hmm, I certainly see the module directories being built in parallel. Some of the make jobs may not be as obvious since links are silent (no output unless there is an error). -- John Baldwin