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Message-ID: <20080825103257.GC15810@elte.hu>
Date: Mon, 25 Aug 2008 12:32:57 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Avi Kivity <avi@...ranet.com>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>,
linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH] x86: default to reboot via ACPI
* Avi Kivity <avi@...ranet.com> wrote:
> Triple-fault and keyboard reset may assert INIT instead of RESET;
> however INIT is blocked when Intel VT is enabled. This leads to a
> partially reset machine when invoking emergency_restart via sysrq-b:
> the processor is still working but other parts of the system are dead.
>
> Default to rebooting via ACPI, which correctly asserts RESET and
> reboots the machine.
>
> This is safe since we will fall back to keyboard reset and triple
> fault if acpi is not enabled or if the reset is not successful.
>
> Signed-off-by: Avi Kivity <avi@...ranet.com>
applied to tip/x86/reboot - thanks Avi!
Ingo
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