On 9/13/19 5:56 AM, Eric Auger wrote: > Host kernel within [4.18, 5.3] report an erroneous KVM_MAX_VCPUS=512 > for ARM. The actual capability to instantiate more than 256 vcpus > was fixed in 5.4 with the upgrade of the KVM_IRQ_LINE ABI to support > vcpu id encoded on 12 bits instead of 8 and a redistributor consuming > a single KVM IO device instead of 2. > > So let's check this capability when attempting to use more than 256 > vcpus within any ARM kvm accelerated machine. > > Signed-off-by: Eric Auger <eric.au...@redhat.com>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
