| Date | Tue, 31 Oct 2023 09:43:32 -0700 | From | David Matlack <> | Subject | Re: [PATCH v13 13/35] KVM: Introduce per-page memory attributes |
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On 2023-10-27 11:21 AM, Sean Christopherson wrote: > From: Chao Peng <chao.p.peng@linux.intel.com> > > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 89c1a991a3b8..df573229651b 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -808,6 +809,9 @@ struct kvm { > > #ifdef CONFIG_HAVE_KVM_PM_NOTIFIER > struct notifier_block pm_notifier; > +#endif > +#ifdef CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES > + struct xarray mem_attr_array;
Please document how access to mem_attr_array is synchronized. If I'm reading the code correctly I think it's...
/* Protected by slots_locks (for writes) and RCU (for reads) */
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