linux-kernel - Re: smp + acpi

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Message-Id: <200607261913.25806.ak@suse.de>
Date:	Wed, 26 Jul 2006 19:13:25 +0200
From:	Andi Kleen <ak@...e.de>
To:	"Brown, Len" <len.brown@...el.com>
Cc:	"Marco Berizzi" <pupilla@...mail.com>, linux-kernel@...r.kernel.org
Subject: Re: smp + acpi


> CONFIG_ACPI=y is necessary to parse the ACPI tables
> and discover HT siblings.  Except for the rare BIOS
> that gives the option to enumerate HT via MPS
> (thus breaking some versions of Windows),
> enabling ACPI is the only way to enable HT.
> 
> Yes, in the distant past, CONFIG_ACPI=n did not remove
> all ACPI code from your kernel, and that was a bug.

Ok thanks for the confirmation.

However the proposed change would be still wrong because
SMP can be without HT.

-Andi
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