On 13/05/2015 10:43, Wanpeng Li wrote: > kvm_mmu_reset_context > kvm_mmu_unload > mmu_free_roots > > The original root shadow page will be freed in mmu_free_roots, where I > miss? > > Another question maybe not related to this patch: > > If kvm_mmu_reset_context is just called to destroy the original root > shadow page and all the sptes will remain valid?
SPTEs are kept around and cached. The "role" field is used as the hash key; if the role doesn't change, SPTEs are reused, so you have to zap the SPTEs explicitly. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
