On Wed, 2024-09-04 at 18:37 +0300, Adrian Hunter wrote:
>
> Isaku was going to lock the mmu. Seems like the change got lost.
> To protect against racing with KVM_PRE_FAULT_MEMORY,
> KVM_TDX_INIT_MEM_REGION, tdx_sept_set_private_spte() etc
> e.g. Rename tdx_td_finalizemr to __tdx_td_finalizemr and add:
>
> static int tdx_td_finalizemr(struct kvm *kvm, struct kvm_tdx_cmd *cmd)
> {
> int ret;
>
> write_lock(&kvm->mmu_lock);
> ret = __tdx_td_finalizemr(kvm, cmd);
> write_unlock(&kvm->mmu_lock);
>
> return ret;
> }
Makes sense. Thanks.
