From owner-cvs-all@FreeBSD.ORG Tue Apr 24 18:51:23 2007 Return-Path: X-Original-To: cvs-all@FreeBSD.org Delivered-To: cvs-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0FA7416A401; Tue, 24 Apr 2007 18:51:23 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 99A1F13C45D; Tue, 24 Apr 2007 18:51:22 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id A42D3456AB; Tue, 24 Apr 2007 20:51:20 +0200 (CEST) Received: from localhost (154.81.datacomsa.pl [195.34.81.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id BDCC745683; Tue, 24 Apr 2007 20:51:14 +0200 (CEST) Date: Tue, 24 Apr 2007 20:50:54 +0200 From: Pawel Jakub Dawidek To: John-Mark Gurney Message-ID: <20070424185054.GA31272@garage.freebsd.pl> References: <200704241645.l3OGjhP1045769@repoman.freebsd.org> <20070424175330.GW73385@funkthat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ew6BAiZeqk4r7MaW" Content-Disposition: inline In-Reply-To: <20070424175330.GW73385@funkthat.com> X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 User-Agent: mutt-ng/devel-r804 (FreeBSD) X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=BAYES_00 autolearn=ham version=3.0.4 Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/contrib/opensolaris/uts/common/fs/zfs vdev.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Apr 2007 18:51:23 -0000 --ew6BAiZeqk4r7MaW Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 24, 2007 at 10:53:30AM -0700, John-Mark Gurney wrote: > Pawel Jakub Dawidek wrote this message on Tue, Apr 24, 2007 at 16:45 +000= 0: > > pjd 2007-04-24 16:45:42 UTC > >=20 > > FreeBSD src repository > >=20 > > Modified files: > > sys/contrib/opensolaris/uts/common/fs/zfs vdev.c=20 > > Log: > > MFp4: We have stronger 'lock already initialized' check now, so we can > > reduce diff against the vendor by removing bzero of this mutex. >=20 > Is it just me, or what prevents this from occuring again if the > "correct" data appears in the union again? Yeh, now with something > like 13bits of checking, it's a lot less likely, but would you ever > want your computer to possibly crash? FreeBSD uses only one bit currently... For production kernel you may want to turn off INVARIANTS. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --ew6BAiZeqk4r7MaW Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFGLlGOForvXbEpPzQRAioYAJ97wrKrKGFrK/471cgMjE0sRrORegCfaY6F NQoWpKjX7BGMhZXdGtpXIOk= =EIKm -----END PGP SIGNATURE----- --ew6BAiZeqk4r7MaW--