[PATCH V3 2/2] KVM: PPC: Implement H_SVM_INIT_ABORT hcall

[Bharata B Rao]

On Sat, Dec 14, 2019 at 06:12:08PM -0800, Sukadev Bhattiprolu wrote:
> +unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm)
> +{
> +	int i;
> +
> +	if (!(kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START))
> +		return H_UNSUPPORTED;
> +
> +	for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) {
> +		struct kvm_memory_slot *memslot;
> +		struct kvm_memslots *slots = __kvm_memslots(kvm, i);
> +
> +		if (!slots)
> +			continue;
> +
> +		kvm_for_each_memslot(memslot, slots)
> +			kvmppc_uvmem_drop_pages(memslot, kvm, false);
> +	}

You need to hold srcu_read_lock(&kvm->srcu) here.

Regards,
Bharata.