On Tue, 2022-06-07 at 15:43 +0000, Luck, Tony wrote:
> > I think Tony hinted me about mechanism to test MCA behaviour in
> > kernel but I cannot recall it anymore. Was there a way to make
> > to simulate a memory failure, and use that to test the patch
> > set?
>
> It is possible to inject real errors into enclave memory using ACPI/EINJ.
> See the final part of:
>
> Documentation/firmware-guide/acpi/apei/einj.rst
>
> You do a faked test by just asking to offline a page:
>
> # echo {pfn} > /sys/devices/system/memory/hard_offline_page
OK, I'll try this out in a VM. Thank you.
BR, Jarkko
