On Fri, 25 Mar 2022 01:06:17 +0000, 谢明 <xieming@xxxxxxxxxx> wrote: > > thanks for your reply ! > you are right, 'If the device supports NORMAL_NC, this should > be known by the host kernel and exposed to KVM'， accordding the kvm > combining rules on arm64， stage1 is setting to NORMAL_NC， so can > we add a conditional judement when ioremapping on stage2, if the > device suppurt NORMAL_NC we setting the memory attribute to > PAGE_S2_NC ? The question remains: how do you convey that capability to the host? There is nothing currently telling KVM what memory type to use. M. -- Without deviation from the norm, progress is not possible. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
