On Fri, 30 Nov 2018, Andy Lutomirski wrote:

> According to the SDM, you can program the APIC ICR to request an SMI. 
> It's not remotely clear to me what will happen if we do this.  

I think one of the known reliable ways to trigger SMI is to write 0x0 to 
the SMI command I/O port (0xb2).

> For all I know, the SMI handler will explode and the computer will catch 
> fire.

Ha, therefore noone can't claim any more that SMIs are always harmful :)

-- 
Jiri Kosina
SUSE Labs

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