From owner-svn-src-all@FreeBSD.ORG Sat Sep 10 11:23:20 2011 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6C3211065672; Sat, 10 Sep 2011 11:23:20 +0000 (UTC) (envelope-from hselasky@c2i.net) Received: from swip.net (mailfe03.c2i.net [212.247.154.66]) by mx1.freebsd.org (Postfix) with ESMTP id 1E8098FC16; Sat, 10 Sep 2011 11:23:18 +0000 (UTC) X-Cloudmark-Score: 0.000000 [] X-Cloudmark-Analysis: v=1.1 cv=yVKV3zusvCapyMfYJBNW2j35FMEuTKq6vh/tt/1L5+g= c=1 sm=1 a=SvYTsOw2Z4kA:10 a=6b_Q_48HAbEA:10 a=WQU8e4WWZSUA:10 a=N659UExz7-8A:10 a=CL8lFSKtTFcA:10 a=i9M/sDlu2rpZ9XS819oYzg==:17 a=6aILc7Gg3D_yVBswW-IA:9 a=pILNOxqGKmIA:10 a=i9M/sDlu2rpZ9XS819oYzg==:117 Received: from [188.126.198.129] (account mc467741@c2i.net HELO laptop002.hselasky.homeunix.org) by mailfe03.swip.net (CommuniGate Pro SMTP 5.2.19) with ESMTPA id 10046282; Sat, 10 Sep 2011 13:13:08 +0200 From: Hans Petter Selasky To: Robert Watson Date: Sat, 10 Sep 2011 13:10:24 +0200 User-Agent: KMail/1.13.5 (FreeBSD/8.2-STABLE; KDE/4.4.5; amd64; ; ) References: <201109090744.p897iE9x027234@svn.freebsd.org> In-Reply-To: X-Face: *nPdTl_}RuAI6^PVpA02T?$%Xa^>@hE0uyUIoiha$pC:9TVgl.Oq,NwSZ4V" =?windows-1252?q?=7CLR=2E+tj=7Dg5=0A=09=25V?=,x^qOs~mnU3]Gn; cQLv&.N>TrxmSFf+p6(30a/{)KUU!s}w\IhQBj}[g}bj0I3^glmC( =?windows-1252?q?=0A=09=3AAuzV9=3A=2EhESm-x4h240C=609=3Dw?= MIME-Version: 1.0 Content-Type: Text/Plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Message-Id: <201109101310.24841.hselasky@c2i.net> Cc: "svn-src-stable@freebsd.org" , "svn-src-all@freebsd.org" , "src-committers@freebsd.org" , "svn-src-stable-8@freebsd.org" Subject: Re: svn commit: r225458 - in stable/8/sys: dev/usb dev/usb/quirk dev/usb/storage sys X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Sep 2011 11:23:20 -0000 On Saturday 10 September 2011 12:54:08 Robert Watson wrote: > On Fri, 9 Sep 2011, Hans Petter Selasky wrote: > > Log: > > MFC r225350 and r225400: > > > > This patch adds automatic detection of USB mass storage devices > > which does not support the no synchronize cache SCSI command. > > > > The __FreeBSD_version version macro has been bumped and > > external kernel modules needs to be recompiled after > > this patch. > > > > PR: usb/160299 > > For most other classes of hardware device driver framework KPIs -- > especially things like PCI bus attachment, busdma, CAM, ifnet, and GEOM > frameworks, our MFC rules would strictly disallow this sort of change, on > the grounds that it is our KBI policy that we not break common classes of > third-party device drivers (i.e., require them to be recompiled). My > suspicion is that we should be applying the same rules to the USB > framework -- however, I don't know if we have any third-party USB device > drivers? > > (If we do, then this change should not have been MFC'd.) Hi Robert, I understand your point. The change is not breaking any KPIs towards userspace. The structure in question is only used within the kernel and kernel modules. --HPS