From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761362AbXGEN6l (ORCPT ); Thu, 5 Jul 2007 09:58:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758520AbXGEN6V (ORCPT ); Thu, 5 Jul 2007 09:58:21 -0400 Received: from saltmine.radix.net ([207.192.128.40]:43419 "EHLO saltmine.radix.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758120AbXGEN6U (ORCPT ); Thu, 5 Jul 2007 09:58:20 -0400 Date: Thu, 5 Jul 2007 09:29:14 -0400 From: Thomas Dickey To: Linux Kernel Cc: Keith Packard Subject: Re: [patch] CFS scheduler, -v18 Message-ID: <20070705132914.GA9003@saltmine.radix.net> References: <8yZun-1bO-5@gated-at.bofh.it> <8CszT-4hd-11@gated-at.bofh.it> <8CtPi-6qj-9@gated-at.bofh.it> <8Cus1-7eL-11@gated-at.bofh.it> <8CwtU-1Z5-3@gated-at.bofh.it> <8Cxgd-3fN-9@gated-at.bofh.it> <8CKQ8-7HN-13@gated-at.bofh.it> <8CKZV-7Ur-11@gated-at.bofh.it> <8CLCt-vX-3@gated-at.bofh.it> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="qMm9M+Fa2AknHoGS" Content-Disposition: inline In-Reply-To: <8CLCt-vX-3@gated-at.bofh.it> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --qMm9M+Fa2AknHoGS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 03, 2007 at 10:10:05AM +0200, Keith Packard wrote: > On Tue, 2007-07-03 at 09:22 +0200, Ingo Molnar wrote: >=20 > > which allows xterm-spam (attached) to easily flood the xterm (without= =20 > > any scrolling that would act as a throttle) and the xterm to flood Xorg= .=20 =2E..deleting the offhand remarks =2E..here's a little content: > And, as the kernel will not buffer more than 4095 bytes from a pty, > there isn't any way it will ever read 4096 bytes. The sched_yield() call was added to address problems in an earlier 2.6.x kernel (and the report then stated that it could read more than 4096 because it would have to perform several reads to keep up with a burst of output). =20 =2E..deleting the other offhand remarks --=20 Thomas E. Dickey http://invisible-island.net ftp://invisible-island.net --qMm9M+Fa2AknHoGS Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (SunOS) Comment: For info see http://www.gnupg.org iD8DBQFGjO7ctIqByHxlDocRAu6WAJ4z3YZcXKGVroj24gVyn4qak5iq3wCbBhPW 4W86UKrJKNeWpX1Sy7y1siM= =EEkz -----END PGP SIGNATURE----- --qMm9M+Fa2AknHoGS--