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

Andi Kleen
2008-08-26T12:31:39Z

Avi Kivity <avi@qumranet.com> writes:
>
> 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.

Even if it's wired to the launch controller the launch controller
would need to be quite quick to do something before the following
triple fault/keyboard reset->PCI reset stops it again.

-Andi