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Re: [Xen-devel] 3.0.4 and 3.1-rc4 based dom0 won't boot with acpi=off

To: Sven Köhler <sven.koehler@xxxxxxxxx>
Subject: Re: [Xen-devel] 3.0.4 and 3.1-rc4 based dom0 won't boot with acpi=off
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Mon, 12 Sep 2011 11:35:38 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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On Sun, 11 Sep 2011, Sven Köhler wrote:
> Thanks for explaining. Now what about the future? Will there be some
> solution for the acpi=off case?

Not likely.


> I'm a bit confused, since your words don't sound like there is a way to
> boot with acpi=off. But other dom0 kernels actually boot with acpi=off.
> So after all, some other way for setting up interrupts seems to exist.

It exists in xenlinux kernels, where xen support is maintained in an out
of tree patch queue by distros.
Currently Linux mainline only offers acpi and msi registration hooks to
subsystems.
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