From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 8 Jan 2002 06:17:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 8 Jan 2002 06:17:01 -0500 Received: from oflmta02bw.bigpond.com ([139.134.6.23]:31424 "EHLO oflmta02bw.bigpond.com") by vger.kernel.org with ESMTP id ; Tue, 8 Jan 2002 06:16:52 -0500 Date: Tue, 8 Jan 2002 20:14:51 +1100 From: Rusty Russell To: Matt Dainty Cc: rgooch@ras.ucalgary.ca, hpa@zytor.com, linux-kernel@vger.kernel.org, torvalds@transmeta.com Subject: Re: [PATCH] DevFS support for /dev/cpu/X/(cpuid|msr) Message-Id: <20020108201451.088f7f99.rusty@rustcorp.com.au> In-Reply-To: <20020108111302.A14860@mould.bodgit-n-scarper.com> In-Reply-To: <20020106181749.A714@butterlicious.bodgit-n-scarper.com> <200201061934.g06JYnZ15633@vindaloo.ras.ucalgary.ca> <3C38BC6B.7090301@zytor.com> <200201062108.g06L8lM17189@vindaloo.ras.ucalgary.ca> <3C38BD32.6000900@zytor.com> <200201070131.g071VrM20956@vindaloo.ras.ucalgary.ca> <3C38FAB0.4000503@zytor.com> <200201070140.g071ewk21192@vindaloo.ras.ucalgary.ca> <20020108111302.A14860@mould.bodgit-n-scarper.com> X-Mailer: Sylpheed version 0.6.6 (GTK+ 1.2.10; powerpc-debian-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 8 Jan 2002 11:13:02 +0000 Matt Dainty wrote: > On Sun, Jan 06, 2002 at 06:40:58PM -0700, Richard Gooch wrote: > > > > So I'd like to propose a new file (say kernel/smp.c) which has generic > > startup code for each CPU. To start with, it can have a > > generic_cpu_init() function, which is called by each arch. Note that > > this function would be called for the boot CPU too. > > Would this also be hacked into whatever Hotswap CPU support exists? Such We use /proc/sys/cpu/#/. I don't understand what /dev/cpu/xxx is supposed to do. It's unfortunate that /proc/sys and /proc suck so hard that good coders go to great lengths to do anything else [see previous /proc/sys patches]. Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell.