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Subject: Re: [BUG] 2.6.21-rc1,2,3 regressions on my system that I found so
	far
From: Thomas Gleixner <tglx@linutronix.de>
Reply-To: tglx@linutronix.de
To: Greg KH <greg@kroah.com>
Cc: Andi Kleen <andi@firstfloor.org>, Arjan van de Ven <arjan@infradead.org>,
       Len Brown <lenb@kernel.org>, Maxim Levitsky <maximlevitsky@gmail.com>,
       linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
       Andrew Morton <akpm@linux-foundation.org>, Adrian Bunk <bunk@stusta.de>
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Date: Tue, 20 Mar 2007 07:30:45 +0100
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On Mon, 2007-03-19 at 21:27 -0700, Greg KH wrote:
> On Sat, Mar 17, 2007 at 02:26:57PM +0100, Andi Kleen wrote:
> > Arjan van de Ven <arjan@infradead.org> writes:
> > > 
> > > well we can do the handshake to take ownership like we do much later in
> > > boot, but that requires PCI to be there and fully discovered, which we
> > > don't have this early.
> > 
> > That's not true - we do early pci discovery. Doing USB handsoff
> > there would be quite possible.
> 
> What, we don't do USB "handoff" early enough in the boot process?  It's
> happening at PCI quirk time now, which I think should be early enough
> for everyone (and too early for some who rely on USB keyboards and
> initramfs shells...)

It happens way after the CPUs are brought up. At this point both the
delay loop calibration and the local APIC calibration are already done.

	tglx