Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 18 Jun 2002 18:52:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 18 Jun 2002 18:52:24 -0400 Received: from dsl092-237-176.phl1.dsl.speakeasy.net ([66.92.237.176]:772 "EHLO whisper.qrpff.net") by vger.kernel.org with ESMTP id ; Tue, 18 Jun 2002 18:52:23 -0400 X-All-Your-Base: Are Belong To Us!!! X-Envelope-Recipient: davids@webmaster.com X-Envelope-Sender: stevie@qrpff.net Message-Id: <5.1.0.14.2.20020618184424.00ab6418@whisper.qrpff.net> X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Tue, 18 Jun 2002 18:45:55 -0400 To: David Schwartz , , Chris Friesen From: Stevie O Subject: Re: Question about sched_yield() Cc: , In-Reply-To: <20020618180040.AAA21856@shell.webmaster.com@whenever> References: <1024420400.3090.202.camel@sinai> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 857 Lines: 20 At 11:00 AM 6/18/2002 -0700, David Schwartz wrote: >This is the same error repeated again. Since you realize that an endless >loop on sched_yield is *not* equivalent to blocking, why do you then say "in >fact doing useful work"? By what form of ESP is the kernel supposed to >determine that the sched_yield task is not 'doing useful work' and the other >task is? By this form of ESP: sched_yield() means "I have nothing better to do right now, give my time to someone who does". If a thread is doing useful work, why would it call sched_yield() ?!? -- Stevie-O Real programmers use COPY CON PROGRAM.EXE - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/