From owner-svn-src-head@FreeBSD.ORG Thu Sep 3 19:15:55 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 733971065670; Thu, 3 Sep 2009 19:15:55 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (skuns.zoral.com.ua [91.193.166.194]) by mx1.freebsd.org (Postfix) with ESMTP id E25B38FC14; Thu, 3 Sep 2009 19:15:54 +0000 (UTC) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id n83JFniC014658 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 3 Sep 2009 22:15:49 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3) with ESMTP id n83JFnic035002; Thu, 3 Sep 2009 22:15:49 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id n83JFnoh035001; Thu, 3 Sep 2009 22:15:49 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 3 Sep 2009 22:15:48 +0300 From: Kostik Belousov To: Attilio Rao Message-ID: <20090903191548.GJ1881@deviant.kiev.zoral.com.ua> References: <200909031340.n83Defkv034013@svn.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="kLVHNs1Bw8OEK8QD" Content-Disposition: inline In-Reply-To: <200909031340.n83Defkv034013@svn.freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r196779 - in head/sys: kern sys X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 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: Thu, 03 Sep 2009 19:15:55 -0000 --kLVHNs1Bw8OEK8QD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 03, 2009 at 01:40:41PM +0000, Attilio Rao wrote: > Author: attilio > Date: Thu Sep 3 13:40:41 2009 > New Revision: 196779 > URL: http://svn.freebsd.org/changeset/base/196779 >=20 > Log: > Add intermediate states for attaching and detaching that will be > reused by the enhached newbus locking once it is checked in. > This change can be easilly MFCed to STABLE_8 at the appropriate moment. > =20 > Reviewed by: jhb, scottl > Tested by: Giovanni Trematerra >=20 =2E... > Modified: head/sys/sys/bus.h > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > --- head/sys/sys/bus.h Thu Sep 3 12:41:00 2009 (r196778) > +++ head/sys/sys/bus.h Thu Sep 3 13:40:41 2009 (r196779) > @@ -52,8 +52,11 @@ struct u_businfo { > typedef enum device_state { > DS_NOTPRESENT, /**< @brief not probed or probe failed */ > DS_ALIVE, /**< @brief probe succeeded */ > + DS_ATTACHING, /**< @brief attaching is in progress */ > DS_ATTACHED, /**< @brief attach method called */ > - DS_BUSY /**< @brief device is open */ > + DS_BUSY, /**< @brief device is open */ > + DS_DETACHING /**< @brief detaching is in progress */ > + > } device_state_t; Since device_state_t is exposed to consumers and started to be modified, would it make sense to add explicit values for enumeration members, with enough gap in between ? It seems to give more freedom for newbus locking work with regard to backward-compatible ABI changes. --kLVHNs1Bw8OEK8QD Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkqgFeQACgkQC3+MBN1Mb4gZkACgkT0igWmErBrn5RWj3PWwB4fb eA4An1KDW5QAwjVRhGr2w9PMaMge2LXQ =2xZu -----END PGP SIGNATURE----- --kLVHNs1Bw8OEK8QD--