On 30/06/2023 11.17, Pierre Morel wrote:
When the host supports the CPU topology facility, the PTF instruction with function code 2 is interpreted by the SIE, provided that the userland hypervisor activates the interpretation by using the KVM_CAP_S390_CPU_TOPOLOGY KVM extension. The PTF instructions with function code 0 and 1 are intercepted and must be emulated by the userland hypervisor. During RESET all CPU of the configuration are placed in horizontal polarity. Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx> Reviewed-by: Nina Schoetterl-Glausch <nsg@xxxxxxxxxxxxx> --- include/hw/s390x/s390-virtio-ccw.h | 6 ++++ hw/s390x/cpu-topology.c | 54 ++++++++++++++++++++++++++++++ target/s390x/kvm/kvm.c | 11 ++++++ 3 files changed, 71 insertions(+)
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
