From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH] x86: default to reboot via ACPI
Date: Tue, 26 Aug 2008 13:26:18 +0200
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	<20080826095032.GA309@elf.ucw.cz>
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Cc: Avi Kivity <avi@qumranet.com>, Ingo Molnar <mingo@elte.hu>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org
To: Pavel Machek <pavel@suse.cz>
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In-Reply-To: <20080826095032.GA309@elf.ucw.cz> (Pavel Machek's message of "Tue, 26 Aug 2008 11:50:32 +0200")
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Pavel Machek <pavel@suse.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