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

[Andi Kleen]

Avi Kivity <avi@xxxxxxxxxxxx> 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
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