Re: [PATCH] x86: default to reboot via ACPI

Avi Kivity
2008-08-26T12:14:43Z

Alan Cox wrote:
>> It seems excessive. Most machines will hardly run without acpi.
>>
>
> *Recent* machines.
>

Most machines are recent machines.

If a machine doesn't have acpi, this change is safe.

If a machine has acpi, but doesn't have the reset register set in the
FADT, this change is safe.

If a machine has acpi, and the reset register is set incorrectly, this
change is safe.

If a machine has acpi, and the reset register is wired to the launch
controller, then perhaps this change is unsafe. Don't issue sysrq-b on
such machines.

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