On Fri, 23 Aug 2019 18:33:30 +0100, Eric Auger <eric.auger@xxxxxxxxxx> wrote: > > At the moment we use 2 IO devices per GICv3 redistributor: one > one for the RD_base frame and one for the SGI_base frame. > > Instead we can use a single IO device per redistributor (the 2 > frames are contiguous). This saves slots on the KVM_MMIO_BUS > which is currently limited to NR_IOBUS_DEVS (1000). > > This change allows to instantiate up to 512 redistributors and may > speed the guest boot with a large number of VCPUs. > > Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx> Yup, that's exactly what I was hoping for. A very nice cleanup, and no need to increase NR_IOBUS_DEVS for the foreseeable future. I've applied this to -next. Thanks, M. -- Jazz is not dead, it just smells funny.
