Subject: Re: State of the Linux PCI and PCI Hotplug Subsystems
	for	2.6.16-rc5
From: Lee Revell <rlrevell@joe-job.com>
To: Ben Collins <bcollins@ubuntu.com>
Cc: Linus Torvalds <torvalds@osdl.org>, Tomasz Torcz <zdzichu@irc.pl>,
       Greg KH <gregkh@suse.de>, Adrian Bunk <bunk@stusta.de>,
       Andrew Morton <akpm@osdl.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linux-pci@atrey.karlin.mff.cuni.cz,
       pcihpd-discuss@lists.sourceforge.net
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Date: Thu, 09 Mar 2006 15:52:35 -0500
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On Thu, 2006-03-09 at 15:10 -0500, Ben Collins wrote:
> The difference between our 2.6.15 386 and 686 kernels is actually pretty
> huge. The 386 is M486, and UP, while our 686 kernel is M686, and SMP.
> The SMP is also complicated by our use of the SMP-alternatives patch,
> but I believe I had this user test with this disabled (kernel command
> line option that leaves all the SMP code intact for testing). It didn't
> alter the problem. 

Ubuntu doesn't provide a UP 686 kernel?

Isn't there a performance hit running an SMP kernel on UP?

Lee

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