From owner-freebsd-hackers@FreeBSD.ORG Fri Jul 24 08:19:12 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6B263106564A for ; Fri, 24 Jul 2009 08:19:12 +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 D4C438FC15 for ; Fri, 24 Jul 2009 08:19:11 +0000 (UTC) (envelope-from kostikbel@gmail.com) 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 n6O8Ig47065732 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 24 Jul 2009 11:18:42 +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 n6O8IgVk020578; Fri, 24 Jul 2009 11:18:42 +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 n6O8IgAK020577; Fri, 24 Jul 2009 11:18:42 +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: Fri, 24 Jul 2009 11:18:42 +0300 From: Kostik Belousov To: Jeremie Le Hen Message-ID: <20090724081842.GF55190@deviant.kiev.zoral.com.ua> References: <20090508214117.GY58540@hoeg.nl> <20090509113459.GD56667@e.0x20.net> <20090509121313.GA58540@hoeg.nl> <20090724073451.GH54986@felucia.tataz.chchile.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="w9DVQEct5+xA9E/w" Content-Disposition: inline In-Reply-To: <20090724073451.GH54986@felucia.tataz.chchile.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: Ed Schouten , jt@0xabadba.be, Lars Engels , vasanth raonaik , FreeBSD Hackers Subject: Re: concurrent sysctl implementation X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Jul 2009 08:19:12 -0000 --w9DVQEct5+xA9E/w Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 24, 2009 at 09:34:51AM +0200, Jeremie Le Hen wrote: > Hi Ed, >=20 > Sorry for the late reply. >=20 > On Sat, May 09, 2009 at 02:13:13PM +0200, Ed Schouten wrote: > > We probably could. I think I discussed this with Robert Watson some time > > ago and we could use things like ELF hints. But still, that doesn't > > prevent us from reaching this limitation later on. >=20 > Can you elaborate a little? Are you talking about elf-hints.h? > I don't see where we can get randomness from it. The thing is called ELF auxillary information vector. It is used to supply some useful information for interpreter from the kernel, see include/machine/elf.h for AT_* entries. --w9DVQEct5+xA9E/w Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEUEARECAAYFAkppbmEACgkQC3+MBN1Mb4jk0wCYvJcXXUb35PBqNOrvR4pECOyc +ACeKpm8zdNQIeFL43vgu5uCVwxavE4= =wvc1 -----END PGP SIGNATURE----- --w9DVQEct5+xA9E/w--