From owner-freebsd-stable@FreeBSD.ORG Wed Mar 27 21:35:40 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 1F16FD02; Wed, 27 Mar 2013 21:35:40 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-ea0-x231.google.com (mail-ea0-x231.google.com [IPv6:2a00:1450:4013:c01::231]) by mx1.freebsd.org (Postfix) with ESMTP id 874162B0; Wed, 27 Mar 2013 21:35:39 +0000 (UTC) Received: by mail-ea0-f177.google.com with SMTP id q14so1277741eaj.36 for ; Wed, 27 Mar 2013 14:35:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=5Pjf4xUI6LXyQJOAE3BPcpHJpsONYfX76qISjUgI0go=; b=jAig+KYkeWbaa5aIkgoSeiC5/1EzomU0KTBnAiUPELIksc4ylMvF+ITbt9rEXnsBE+ n8SneM8hNBPJsNB7jNkohYRBjkxG8B7Vi8LWtgj86UXxCSj5T1ojXNtEupSolH9/pRRg HoayXc7Yl0cpN0/YDsifRKIGeRtSuPe3++0ukYkVLH3d9129SfsYukCxtn1hZhjVu5CS B2tT9iOUeSJcgiQes/XzJ2fdw1I5zKHM017xk8ickm4Ay5SNNHl8bmGLGApQqG2G8cYg 4sOxyQpjrsjGY9wOQNJLH566bNXWa/iEkptD8L0YUtfW8BBxXO3S/jbK1wuMVuG3GfCo 5OpA== X-Received: by 10.15.23.193 with SMTP id h41mr60107376eeu.17.1364420138641; Wed, 27 Mar 2013 14:35:38 -0700 (PDT) Received: from mavbook.mavhome.dp.ua (mavhome.mavhome.dp.ua. [213.227.240.37]) by mx.google.com with ESMTPS id d47sm33895142eem.9.2013.03.27.14.35.36 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 27 Mar 2013 14:35:37 -0700 (PDT) Sender: Alexander Motin Message-ID: <51536627.7090005@FreeBSD.org> Date: Wed, 27 Mar 2013 23:35:35 +0200 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130326 Thunderbird/17.0.4 MIME-Version: 1.0 To: Steve Kargl Subject: Re: Any objections/comments on axing out old ATA stack? References: <51536306.5030907@FreeBSD.org> <20130327213242.GA67876@troutmask.apl.washington.edu> In-Reply-To: <20130327213242.GA67876@troutmask.apl.washington.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@FreeBSD.org, freebsd-stable@FreeBSD.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2013 21:35:40 -0000 On 27.03.2013 23:32, Steve Kargl wrote: > On Wed, Mar 27, 2013 at 11:22:14PM +0200, Alexander Motin wrote: >> Hi. >> >> Since FreeBSD 9.0 we are successfully running on the new CAM-based ATA >> stack, using only some controller drivers of old ata(4) by having >> `options ATA_CAM` enabled in all kernels by default. I have a wish to >> drop non-ATA_CAM ata(4) code, unused since that time from the head >> branch to allow further ATA code cleanup. >> >> Does any one here still uses legacy ATA stack (kernel explicitly built >> without `options ATA_CAM`) for some reason, for example as workaround >> for some regression? > > Yes, I use the legacy ATA stack. On 9.x or HEAD where new one is default? >> Does anybody have good ideas why we should not drop >> it now? > > Because it works? Any problems with new one? -- Alexander Motin