From owner-freebsd-current@freebsd.org Tue Oct 24 08:50:08 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B90FAE44EBB for ; Tue, 24 Oct 2017 08:50:08 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [88.99.82.50]) (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 6E81775E4C for ; Tue, 24 Oct 2017 08:50:07 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2016.home.selasky.org (unknown [62.141.128.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id D4511260457; Tue, 24 Oct 2017 10:50:05 +0200 (CEST) Subject: Re: There is *NO* abi stability in -head To: Mateusz Guzik , FreeBSD Current References: From: Hans Petter Selasky Message-ID: <0d173f14-dd07-8a06-0937-63f2b350cc5c@selasky.org> Date: Tue, 24 Oct 2017 10:47:28 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Oct 2017 08:50:08 -0000 On 10/23/17 22:35, Mateusz Guzik wrote: > This is your friendly reminder that in head struct layouts can change > and each update requires you to rebuild *all* modules (including ones > which come from ports). In practice you can get away without it most of > the time, but if in doubt or seeing funny crashes - *recompile* and test > with that. > Hi, And for developers making this changes, consider bumping the __FreeBSD_version macro in sys/sys/param.h along with your commit. It forces recompilation of external kernel modules :-) --HPS