On Tue, Nov 26, 2024 at 11:23:10AM +0000, Marc Zyngier wrote: > > > I'm not overly keen on the command-line flag though, as this is the > > > sort of things you'd like to be able to control more finely. Or at > > > least without having to trigger a reboot. > > > > I compile KVM as module, so I can reload it with different parameters > > easily. > > arm64 doesn't (and cannot) build KVM as a module. Ah, I didn't realize it. But being able to patch EL2 from EL1 is probably more complicated than what is gained with it. > > But I can make the module parameter read-write so that it is modifiable > > during runtime via /sys/module/kvm/parameters/ even when KVM is compiled > > into the kernel. > > I guess that'd be the next best thing. Ok, I will do that in v2 of the patch to be sent next week. Bernhard