Date: Thu, 3 Jun 2004 12:32:56 -0700
From: Greg KH <greg@kroah.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Hanna Linder <hannal@us.ibm.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.6-rc2 RFT] Add's class support to cpuid.c
Message-ID: <20040603193256.GD23564@kroah.com>
References: <98460000.1086215543@dyn318071bld.beaverton.ibm.com> <40BE6CA9.9030403@zytor.com>
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On Wed, Jun 02, 2004 at 05:11:21PM -0700, H. Peter Anvin wrote:
> Hanna Linder wrote:
> >This patch adds class support to arch/i386/kernel/cpuid.c. This enables 
> >udev
> >support. I have tested on a 2-way SMP system and on a 2-way built as UP.
> >Here are the results for the SMP:
> 
> I think it would be better if udev could handle /dev/cpu as an iterator 
> instead of needing O(N) kernel memory for all per-CPU devices; I made the 
> same comments about devfs.

Sorry, but that's not going to happen at this time.

> As it is, it also mishandles the hotswap CPU scenario.

I agree, but that can be easily added with a second patch on top of this
one, right Hanna?  :)

I'll go add this to the driver-2.6 bk tree to show up in the next -mm.

thanks,

greg k-h
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