Re: [PATCH] KVM: SVM: fix compilation with modular PSP and non-modular KVM

[Paolo Bonzini]

On 16/04/20 15:57, Tom Lendacky wrote:
> On 4/13/20 2:50 AM, Paolo Bonzini wrote:
>> Use svm_sev_enabled() in order to cull all calls to PSP code. Otherwise,
>> compilation fails with undefined symbols if the PSP device driver is
>> compiled
>> as a module and KVM is not.
> 
> The Kconfig support will set CONFIG_KVM_AMD_SEV to "n" in this
> situation, so it might be worth seeing if sev.o could be removed from
> the build at that point. I'll try and look at that when I get a chance,
> but I'm currently buried with a ton of other work.

It could be made to work, but you would have to add stubs to sev.h.

Paolo