| Date | Fri, 21 Jul 2023 13:59:36 +0200 | Subject | Re: [RFC PATCH v11 09/29] KVM: x86: Disallow hugepages when memory attributes are mixed | From | Paolo Bonzini <> |
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On 7/19/23 01:44, Sean Christopherson wrote: > +static bool range_has_attrs(struct kvm *kvm, gfn_t start, gfn_t end, > + unsigned long attrs) > +{ > + XA_STATE(xas, &kvm->mem_attr_array, start); > + unsigned long index; > + bool has_attrs; > + void *entry; > + > + rcu_read_lock(); > + > + if (!attrs) { > + has_attrs = !xas_find(&xas, end); > + goto out; > + } > + > + has_attrs = true; > + for (index = start; index < end; index++) { > + do { > + entry = xas_next(&xas); > + } while (xas_retry(&xas, entry)); > + > + if (xas.xa_index != index || xa_to_value(entry) != attrs) { > + has_attrs = false; > + break; > + } > + } > + > +out: > + rcu_read_unlock(); > + return has_attrs; > +} > +
Can you move this function to virt/kvm/kvm_main.c?
Thanks,
Paolo
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