From owner-freebsd-current@FreeBSD.ORG Thu Nov 5 12:00:42 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4603F10656C3; Thu, 5 Nov 2009 12:00:42 +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 A98838FC2B; Thu, 5 Nov 2009 12:00:41 +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 nA5C0bCA056191 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 5 Nov 2009 14:00:37 +0200 (EET) (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 nA5C0amd095061; Thu, 5 Nov 2009 14:00:36 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id nA5C0YF2095060; Thu, 5 Nov 2009 14:00:34 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 5 Nov 2009 14:00:34 +0200 From: Kostik Belousov To: Dag-Erling Sm??rgrav Message-ID: <20091105120034.GS2331@deviant.kiev.zoral.com.ua> References: <4e6cba830911050302k56bed35aj5ca9fa16379ab325@mail.gmail.com> <20091105112834.GR2331@deviant.kiev.zoral.com.ua> <86fx8tfau7.fsf@ds4.des.no> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="p2u4WfPhYOuYlOsk" Content-Disposition: inline In-Reply-To: <86fx8tfau7.fsf@ds4.des.no> 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: Attilio Rao , Giovanni Trematerra , FreeBSD Current Subject: Re: [PATCH] AMD Opteron Rev. E hack X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Nov 2009 12:00:42 -0000 --p2u4WfPhYOuYlOsk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 05, 2009 at 12:52:00PM +0100, Dag-Erling Sm??rgrav wrote: > Kostik Belousov writes: > > I think there is no much sense in printing that hack in unused; > > instead, you should print info when option is enabled and vulnerable > > CPU is detected. >=20 > We should *definitely* print a warninhg when a vulnerable CPU is > detected and the option is *not* enabled. How do you justify not > telling the user that you know the machine will crash as soon as he runs > 'make buildworld' with a high -j value? We do not do this for other cpu bugs workarounds, why this should be different. Besides, there were no confirmed reports of this happening in field (I mean the bug manifestation, not make -j panicing or hanging machine :). --p2u4WfPhYOuYlOsk Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEUEARECAAYFAkryvmIACgkQC3+MBN1Mb4hCnwCgy/Qo4SIoQBb2rL6D1Ga+BUHu SAoAl3mN/bYQdjidwDCNYBUKxQpKM9E= =n2li -----END PGP SIGNATURE----- --p2u4WfPhYOuYlOsk--