From owner-svn-src-head@freebsd.org Wed Apr 13 09:25:03 2016 Return-Path: Delivered-To: svn-src-head@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 42619B0E0B0; Wed, 13 Apr 2016 09:25:03 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (heidi.turbocat.net [88.198.202.214]) (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 0DFE71222; Wed, 13 Apr 2016 09:25:02 +0000 (UTC) (envelope-from hps@selasky.org) Received: from laptop015.home.selasky.org (unknown [62.141.129.119]) (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 6C9B41FE028; Wed, 13 Apr 2016 11:24:59 +0200 (CEST) Subject: Re: svn commit: r297913 - in head/sys/dev/hyperv: netvsc storvsc To: Sepherosa Ziehau , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201604130920.u3D9KTVv071995@repo.freebsd.org> From: Hans Petter Selasky Message-ID: <570E112B.10207@selasky.org> Date: Wed, 13 Apr 2016 11:28:11 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 MIME-Version: 1.0 In-Reply-To: <201604130920.u3D9KTVv071995@repo.freebsd.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.21 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: Wed, 13 Apr 2016 09:25:03 -0000 On 04/13/16 11:20, Sepherosa Ziehau wrote: > bzero(sc, sizeof(hn_softc_t)); Hi, According to: > https://svnweb.freebsd.org/base/head/sys/kern/subr_bus.c?revision=297776&view=markup#l2763 It is safe to assume that the memory you get is already zero'ed. The additional bzero() in your attach routine seems redundant. --HPS