Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 8 Jan 2002 06:52:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 8 Jan 2002 06:52:43 -0500 Received: from mailgate.bodgit-n-scarper.com ([62.49.233.146]:13063 "HELO mould.bodgit-n-scarper.com") by vger.kernel.org with SMTP id ; Tue, 8 Jan 2002 06:52:38 -0500 Date: Tue, 8 Jan 2002 12:02:07 +0000 From: Matt Dainty To: Rusty Russell 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: <20020108120207.A15498@mould.bodgit-n-scarper.com> Mail-Followup-To: Rusty Russell , rgooch@ras.ucalgary.ca, hpa@zytor.com, linux-kernel@vger.kernel.org, torvalds@transmeta.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> <20020108201451.088f7f99.rusty@rustcorp.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020108201451.088f7f99.rusty@rustcorp.com.au> User-Agent: Mutt/1.3.23i X-Operating-System: Linux 2.2.20 on i686 SMP (mould) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 08, 2002 at 08:14:51PM +1100, Rusty Russell wrote: > 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. /dev/cpu/[0...]/... contains (on i386 at least), the cpuid and msr character devices, except on devfs-enabled boxen, these don't appear automatically. Matt -- "Phased plasma rifle in a forty-watt range?" "Hey, just what you see, pal" - 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/