Re: [PATCH v1 0/2] powerpc/pseries/cmm: two smaller fixes

David Hildenbrand (Red Hat)
2025-11-28T08:24:23Z

>>
>> Right. Let me give it a try first with pseries Qemu. Otherwise I have an
>> access to pseries LPAR too. I can verify it there.
>
> Ah, now I realize my problem: I tried with Fedora 43 in a powerpc VM but
> the modprobe didn't do anything.
>
> Looking again:
>
> # grep CONFIG_CMM /boot/config-6.17.1-300.fc43.ppc64le
> CONFIG_CMM=y
>
> So modprob'ing won't do as the module is built in.

Right, so doing "cmm.simulate=1" on the cmdline in a Fedora 43 VMs
properly creates the CMM device.

--
Cheers

David