From owner-svn-src-head@freebsd.org Fri Nov 30 17:37:19 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B8AA2114AB9E for ; Fri, 30 Nov 2018 17:37:19 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from outbound1.eu.mailhop.org (outbound1.eu.mailhop.org [52.28.251.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1E8096DE59 for ; Fri, 30 Nov 2018 17:37:19 +0000 (UTC) (envelope-from ian@freebsd.org) ARC-Seal: i=1; a=rsa-sha256; t=1543599435; cv=none; d=outbound.mailhop.org; s=arc-outbound20181012; b=mEBYyc+HsN7P+K3ToV07GonIgYhqtz+UKMLEUCOkTtsANx/8qjSpUppU+4YwGaQdR4cLzklSnJhcd 8OPpReINX7GEqN07kpdRhsZH/ZsRhJHQnMCWr0QsvJgpgaypIegTaGCBBY2munTEAUI4wJv0sw7kM7 WfcUK1QabfZcPWpuQ7I9gMguQuiRMx7EcTHivUK4UDoN0MwukftXK+KR8Du+X2tWSbq1/N9qBNncM2 bfL7LiLZhPPxEu/ZZX/Q1rTrNLm2otysgNuVss0zpClhXlBCQxi9U4z8CV1qCURlR1ZWfx+moT00X5 JzR6UT4BwCkk5S5jIQ1RC5YZ5SQyuUg== ARC-Message-Signature: i=1; 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charset="ISO-8859-1" X-Mailer: Evolution 3.18.5.1 FreeBSD GNOME Team Port Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 1E8096DE59 X-Spamd-Result: default: False [1.39 / 15.00]; local_wl_from(0.00)[freebsd.org]; ASN(0.00)[asn:16509, ipnet:52.28.0.0/16, country:US]; NEURAL_SPAM_SHORT(0.71)[0.713,0]; NEURAL_SPAM_MEDIUM(0.60)[0.598,0]; NEURAL_SPAM_LONG(0.08)[0.082,0] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Nov 2018 17:37:20 -0000 On Fri, 2018-11-30 at 16:01 +0000, Edward Tomasz Napierala wrote: > Author: trasz > Date: Fri Nov 30 16:01:43 2018 > New Revision: 341344 > URL: https://svnweb.freebsd.org/changeset/base/341344 > > Log: >   Add an example of quick kernel rebuild. >    >   MFC after: 2 weeks >   Sponsored by: DARPA, AFRL > > Modified: >   head/share/man/man7/development.7 > > Modified: head/share/man/man7/development.7 > ===================================================================== > ========= > --- head/share/man/man7/development.7 Fri Nov 30 15:56:14 2018 > (r341343) > +++ head/share/man/man7/development.7 Fri Nov 30 16:01:43 2018 > (r341344) > @@ -127,6 +127,14 @@ case >  cd src/bin/ls >  make clean all install >  .Ed > +.Pp > +Quickly rebuild and reinstall the kernel, only recompiling the files > +changed since last build; note that this will only work if the full > kernel > +build has been completed in the past, not on a fresh source tree: > +.Bd -literal -offset indent > +cd src > +make -j8 kernel KERNFAST=1 It might also be worth mentioning that if you're building a kernel other than GENERIC, you can use KERNFAST=configname instead of KERNFAST=1 KERNCONF=configname -- Ian