linux-kernel - Re: [PATCH] ACPI: don't walk tables if ACPI was disabled

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Date:	Wed, 25 Jun 2008 09:07:40 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Len Brown <lenb@...nel.org>
Cc:	Vegard Nossum <vegard.nossum@...il.com>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	Zhao Yakui <yakui.zhao@...el.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Alexey Starikovskiy <astarikovskiy@...e.de>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Bjorn Helgaas <bjorn.helgaas@...com>
Subject: Re: [PATCH] ACPI: don't walk tables if ACPI was disabled


* Len Brown <lenb@...nel.org> wrote:

> > > and now I understand the purpose of the check; pnpbios does not 
> > > depend on ACPI; ACPI/pnpacpi is incompatible with pnpbios.
> > 
> > wow, rather old bug - i guess lockdep made it more visible.
> 
> No, that commit was not a bug, it was correct, and still is, for 
> pnpACPI and pnpBIOS must be mutually exclusive.
> 
> The thing that changed was the RTC specific code.

ok. Vegard's patch/workaround got my test setup going, i'll drop it if 
something better comes along. (tip/out-of-tree commits dont get 
propagated into linux-next so it will not interfere with anything)

	Ingo
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