On 7/4/23 14:16, Thomas Huth wrote:
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>
Thanks,
Pierre
