On Wed, Jul 14 2021, Pierre Morel <pmo...@linux.ibm.com> wrote: > Interception of the PTF instruction depending on the new > KVM_CAP_S390_CPU_TOPOLOGY KVM extension.
Wasn't that the capability that you dropped? Is PTF supposed to be always intercepting? If that isn't configurable, wouldn't older QEMUs generate exceptions for it? I'm a bit confused. > > A global value is used to remember if a Topology change occured since > the last interception of a PTF instruction with function code 0. > > Signed-off-by: Pierre Morel <pmo...@linux.ibm.com> > --- > hw/s390x/cpu-topology.c | 19 +++++++++++ > include/hw/s390x/cpu-topology.h | 8 +++++ > include/hw/s390x/s390-virtio-ccw.h | 1 + > target/s390x/cpu.c | 4 +++ > target/s390x/cpu.h | 1 + > target/s390x/kvm/kvm.c | 52 ++++++++++++++++++++++++++++++ > 6 files changed, 85 insertions(+)
