RE: [POC][RFC][PATCH 0/2] pstore/mm/x86: Add wildcard memmap to map pstore consistently

Luck, Tony
2024-04-09T22:25:49Z

>> I forgot to mention that this makes it trivial for any machine that doesn't
>> clear memory on soft-reboot, to enable console ramoops (to have access to
>> the last boot dmesg without needing serial).
>>
>> I tested this on a couple of my test boxes and on QEMU, and it works rather
>> well.
>
> I've long wanted a "stable for this machine and kernel" memory region
> like this for pstore. It would make testing much easier.

Which systems does this work on? I'd assume that servers (and anything
else with ECC memory) would nuke contents while resetting ECC to clean
state.

-Tony