2024-05-08 19:28:05

by Borislav Petkov

[permalink] [raw]
Subject: Re: [RFC PATCH v8 01/10] ras: scrub: Add scrub subsystem

On Wed, May 08, 2024 at 05:44:03PM +0000, Shiju Jose wrote:
> I mean scrub subsystem module is not loaded and initialzed until
> a dependent device module is loaded and a device does not get
> registered with the scrub subsystem on a machine which doesn't have
> the corresponding scrub features.

Stop this rambling blabla please. This should *not* happen:

# insmod ./memory_scrub.ko
# echo $?
0
# lsmod
Module Size Used by
memory_scrub 12288 0

This is on a silly guest which has none of those dependent devices crap.

Your scrub module should load only on a machine which has the hardware
- not just for fun and on anything.

--
Regards/Gruss,
Boris.

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