Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964796AbVKQTaT (ORCPT ); Thu, 17 Nov 2005 14:30:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964797AbVKQTaS (ORCPT ); Thu, 17 Nov 2005 14:30:18 -0500 Received: from prgy-npn2.prodigy.com ([207.115.54.38]:1321 "EHLO oddball.prodigy.com") by vger.kernel.org with ESMTP id S964796AbVKQTaQ (ORCPT ); Thu, 17 Nov 2005 14:30:16 -0500 Message-ID: <437CDACE.30703@tmr.com> Date: Thu, 17 Nov 2005 14:32:30 -0500 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.11) Gecko/20050729 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Jeff V. Merkey" CC: linux-kernel Subject: Re: [2.6 patch] i386: always use 4k stacks References: <58XuN-29u-17@gated-at.bofh.it> <58XuN-29u-19@gated-at.bofh.it> <58XuN-29u-21@gated-at.bofh.it> <58XuN-29u-23@gated-at.bofh.it> <58XuN-29u-25@gated-at.bofh.it> <58XuN-29u-15@gated-at.bofh.it> <58YAt-3Fs-5@gated-at.bofh.it> <58ZGo-5ba-13@gated-at.bofh.it> <5909m-5JB-5@gated-at.bofh.it> <43795F35.3050904@shaw.ca> <43795C55.9080305@wolfmountaingroup.com> In-Reply-To: <43795C55.9080305@wolfmountaingroup.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1952 Lines: 51 Jeff V. Merkey wrote: > Robert Hancock wrote: > >> Jeff V. Merkey wrote: >> >>> Why does the kernel need to be limited to 4K? for kernel preemption? >> >> >> >> No, because it makes a whole lot of things simpler and more reliable >> if the kernel stack is only one page. >> >>> >>> Someone needs to fix this. It's busted. It makes porting code between >>> Windows and Linux and other OS's difficult to support. >> >> >> >> Ease of porting drivers written for other OSes to Linux is clearly not >> a high priority for the kernel community.. > > > > What? There's more kernel apps than just ndis network drivers that get > ported. ndiswrapper is busted (which is used for a lot of laptops) > without 4K stacks. My laptop is a Compaq and there isn't a Linux driver > for the wireless. I also discovered Fedora Core 4 won't install > on a Compaq Presario with SATA (stacks crashes). > What are you saying? People with wireless and laptops who run Linux > can't because ndiswrapper is busted without 8K stacks? > > Should be a configurable option 4-16K -- set at RUN TIME on the COMMAND > LINE of the BOOT LOADER. Peopl can set > profile=? why not kernel default stack size. That way Fedora, ES, AS, > and Suse can run out of the box on laptops like Windows, > or is M$ going to keep owning the desktop? Having stack size as a compile time value and having it as a runtime value are two totally different problems. I just don't see much benefit from making changing the size easy, when it is likely to be a VERY infrequent need at all. -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - 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/