On Tue, 17 Jan 2017, Marc Zyngier wrote: > When we don't have the DirectLPI feature, we must work around the > architecture shortcomings to be able to perform the required > invalidation. > > For this, we create a fake device whose sole purpose is to > provide a way to issue a map/inv/unmap sequence (and the corresponding > sync operations). That's 6 commands and a full serialization point > to be able to do this. > > You just have hope the hypervisor won't do that too often... > > Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
