From owner-cvs-src@FreeBSD.ORG Sun Apr 15 22:09:28 2007 Return-Path: X-Original-To: cvs-src@FreeBSD.org Delivered-To: cvs-src@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 363BD16A400; Sun, 15 Apr 2007 22:09:28 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.freebsd.org (Postfix) with ESMTP id 819FF13C487; Sun, 15 Apr 2007 22:09:27 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.home (pooker.samsco.home [192.168.254.1]) by pooker.samsco.org (8.13.8/8.13.8) with ESMTP id l3FM9DLq018850; Sun, 15 Apr 2007 16:09:13 -0600 (MDT) (envelope-from scottl@samsco.org) Date: Sun, 15 Apr 2007 16:09:13 -0600 (MDT) From: Scott Long To: "M. Warner Losh" In-Reply-To: <20070415.131016.-1510350511.imp@bsdimp.com> Message-ID: <20070415154521.L1488@pooker.samsco.org> References: <200704150849.l3F8nKhw040250@repoman.freebsd.org> <20070415105711.T84174@fledge.watson.org> <20070415.131016.-1510350511.imp@bsdimp.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2 (pooker.samsco.org [192.168.254.1]); Sun, 15 Apr 2007 16:09:13 -0600 (MDT) X-Spam-Status: No, score=-1.4 required=5.5 tests=ALL_TRUSTED autolearn=failed version=3.1.8 X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on pooker.samsco.org Cc: scottl@FreeBSD.org, src-committers@FreeBSD.org, rwatson@FreeBSD.org, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org Subject: Re: cvs commit: src/sys/cam cam_ccb.h cam_periph.c cam_periph.h cam_sim.c cam_sim.h cam_xpt.c cam_xpt.h cam_xpt_periph.h src/sys/cam/scsi scsi_cd.c scsi_ch.c scsi_da.c scsi_low.c scsi_pass.c scsi_pt.c scsi_sa.c scsi_ses.c scsi_sg.c ... X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 15 Apr 2007 22:09:28 -0000 On Sun, 15 Apr 2007, M. Warner Losh wrote: > In message: <20070415105711.T84174@fledge.watson.org> > Robert Watson writes: > : On Sun, 15 Apr 2007, Scott Long wrote: > : > : > Remove Giant from CAM. Drivers (SIMs) now register a mutex that CAM will > : > use to synchornize and protect all data objects that are used for that > : > SIM. Drivers that are not yet MPSAFE register Giant and operate as > : > usual. RIght now, no drivers are MPSAFE, though a few will be changed > : > in the coming week as this work settles down. > : > > : > The driver API has changed, so all CAM drivers will need to be recompiled. > : > The userland API has not changed, so tools like camcontrol do not need to > : > be recompiled. > : > : Excellent. This was one of the few remaining serious pieces of non-MPSAFE > : infrastructure in the kernel. Thanks greatly for doing this work! > > Now all the scsi ethernet drivers that were threatened with MPSAFE > removal can continue on in the tree. Way cool. > > Warner > > P.S. :-) > One of us didn't have enough coffee this morning ;-)