From owner-freebsd-current@FreeBSD.ORG Thu Jan 17 17:45:05 2008 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 46F1E16A417 for ; Thu, 17 Jan 2008 17:45:05 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id DB6B413C46A for ; Thu, 17 Jan 2008 17:45:04 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JFYnW-00080C-LO for freebsd-current@freebsd.org; Thu, 17 Jan 2008 17:45:02 +0000 Received: from 78-1-115-40.adsl.net.t-com.hr ([78.1.115.40]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 17 Jan 2008 17:45:02 +0000 Received: from ivoras by 78-1-115-40.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 17 Jan 2008 17:45:02 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-current@freebsd.org From: Ivan Voras Date: Thu, 17 Jan 2008 18:44:55 +0100 Lines: 44 Message-ID: References: <1200197787.67286.13.camel@shumai.marcuscom.com> <20080113182457.GN929@server.vk2pj.dyndns.org> <200801141254.20400.doconnor@gsoft.com.au> <478AE741.1000105@comcast.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig01D30F736FAF44BD17665816" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 78-1-115-40.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) In-Reply-To: X-Enigmail-Version: 0.95.6 Sender: news Subject: Re: RFC: Adding a hw.features[2] sysctl 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, 17 Jan 2008 17:45:05 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig01D30F736FAF44BD17665816 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Igor Mozolevsky wrote: > Would you need > ...features=3D0x178bfbff > ...features2=3D0x1 > ...amd.features=3D0xe2500800 > ...amd.features20x3; or Please go this way because applications that care only about "features2" = will be unmoved if another manufacturer adds "features3" and=20 "features4". Programs made to depend on "features3" will simply get an=20 "not found" error at a system level when run on a machine that lacks=20 "features3", which is desirable and good design. > I genuinely don't know (and don't have the time to work out) the > actual overhead of a sysctl vs ioctl, so if someone knows please let > me know :-) Please don't start polluting /dev with info-only nodes. Sysctls are=20 designed exactly for that purpose. --------------enig01D30F736FAF44BD17665816 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHj5QXldnAQVacBcgRApCQAJ9rnbw+O910rWrv6xhtlHCnXI16qgCg+r0T hOOoWqJxESQMFpLZ3eckibU= =6tGc -----END PGP SIGNATURE----- --------------enig01D30F736FAF44BD17665816--