linux-kernel - Re: [PATCH] x86: default to reboot via ACPI

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Message-ID: <871w0ct3tx.fsf@basil.nowhere.org>
Date:	Tue, 26 Aug 2008 13:26:18 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Avi Kivity <avi@...ranet.com>, Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH] x86: default to reboot via ACPI

Pavel Machek <pavel@...e.cz> writes:
>
> "ACPI" and "safe" in one sentence. 

ACPI is safe in that a lot of systems won't even boot anymore without ACPI.

> /me bets this will break lot of machines.

The ACPI reboot is just a write to a IO port with a fallback, so it
should be fairly safe even if the field should be wrong.

-Andi
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