> 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
-Tony
