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

David Hildenbrand (Red Hat) david at kernel.org
Fri Nov 28 19:24:18 AEDT 2025


>>
>> 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


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