From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.43) id 1DzIrB-0003yT-Jv for garchives@archives.gentoo.org; Sun, 31 Jul 2005 18:48:18 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.4/8.13.4) with SMTP id j6VIkxFJ005255; Sun, 31 Jul 2005 18:46:59 GMT Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.194]) by robin.gentoo.org (8.13.4/8.13.4) with ESMTP id j6VIkwmf015130 for ; Sun, 31 Jul 2005 18:46:58 GMT Received: by zproxy.gmail.com with SMTP id x7so811549nzc for ; Sun, 31 Jul 2005 11:46:59 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Pb/9k8DC2OmqjlHhCZlor7ZXR3850l4S874yg39qnPIQZDeNsaFlMbQjOuEcvcIz2j7osrlazmlcxJyMO/0WWvnG0S5+2fMWbDbnNQN7r4L+wjI7x1ghN2ViU5WB/P08rHGs5TbuZKTPV3XmfhK2CUSRwQWDdwmCyMRYP7oxN74= Received: by 10.36.220.40 with SMTP id s40mr4873805nzg; Sun, 31 Jul 2005 11:46:59 -0700 (PDT) Received: by 10.36.75.4 with HTTP; Sun, 31 Jul 2005 11:46:59 -0700 (PDT) Message-ID: Date: Sun, 31 Jul 2005 11:46:59 -0700 From: Jared Lindsay To: gentoo-amd64@lists.gentoo.org Subject: Re: [gentoo-amd64] Re: Re: x86_64 optimization patches for glibc. In-Reply-To: <42ED0D96.9030302@iinet.net.au> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-amd64@gentoo.org Reply-to: gentoo-amd64@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Disposition: inline References: <42E258A7.5080501@telia.com> <1122322081.12747.5.camel@cloud.outersquare.org> <42E55ADB.8030201@telia.com> <20050731085600.65fc8657.brihall@pcisys.net> <42ED0D96.9030302@iinet.net.au> Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by robin.gentoo.org id j6VIkwmf015130 X-Archives-Salt: 6381775d-be4d-44b3-9ea9-aeb1de7246f6 X-Archives-Hash: 530f030a0b08d85ad912d6dd0312a867 Yeah, netcat, hehe. emerge -pv netcat ... [ebuild N ] net-analyzer/netcat [110-r8] -GAPING_SECURITY_HOLE +crypt -ipv6 -static 107 kB I would be interested in a USE flag for this glibc patch. On 7/31/05, Ben Skeggs wrote: > Duncan wrote: > > >Brian Hall posted <20050731085600.65fc8657.brihall@pcisys.net>, excerpted > >below, on Sun, 31 Jul 2005 08:56:00 -0600: > > > > > > > >>Perhaps a USE flag could be created to enable the glibc patches, then a > >>emerge --newuse could recompile glibc and the problem apps (or > >>everything); maybe a mini-howto document would also be helpful. > >> > >>I would certainly like an easy way to enable any "free" performance > >>boost I can get! > >> > >> > > > >Something like USE=dangerous-amd64-hack? > > > >(Seriously, there at least used to be a local use flag > >USE=frickin-big-security-hole, or some such, on some app I can't remember > >at the moment. Turns out a teacher was using that app in his class as a > >an example or something, so the dev left the ability to create it there, > >but with a USE flag nobody in their right mind would normally enable. I > >wish I could remember what it was, but grepping use.local.desc for > >anything that might be related doesn't seem to bring it up. Perhaps the > >app, or anyway the USE flag, has now been removed from portage?) > > > >The use.local.desc description could point to the bug, which is IIRC what > >the one above did, for those wanting more information about just why such > >a USE flag exists, and just why someone might be persuaded to enable it. > > > > > > > Are you talking about GAPING_SECURITY_HOLE? If so, this flag is still > in use by the net-analyzer/netcat package. It enables the "-E" (iirc) > switch > which allows you to do something like: > nc -l -p 12345 -E /bin/bash > > This(or something close to it) would cause netcat to listen on port 12345, > and forward the person who connects to it a nice bash shell. > > Ben. > -- > gentoo-amd64@gentoo.org mailing list > > -- gentoo-amd64@gentoo.org mailing list