Messages in this thread | | | Date | Tue, 14 Feb 2023 13:46:45 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v9 04/18] x86/virt/tdx: Add skeleton to initialize TDX on demand |
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On Tue, Feb 14, 2023 at 12:59:11AM +1300, Kai Huang wrote: > Use a state machine protected by mutex to make sure the initialization > will only be done once, as tdx_enable() can be called multiple times > (i.e. KVM module can be reloaded) and be called concurrently by other > kernel components in the future.
I still object to doing tdx_enable() at kvm module load.
kvm.ko gets loaded unconditionally on boot, even if I then never use kvm.
This stuff needs to be done when an actual VM is created, not before.
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