diff options
| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-09-07 12:50:40 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2016-09-19 11:05:51 +0200 |
| commit | e73316d594256cedb926cb76444e8ee00a5032b9 (patch) | |
| tree | 3f09d12f4632e628a343205d19cd1a3264e4f6a8 | |
| parent | e3571ae30cd26d19efd4554c25e32ef64d6a36b3 (diff) | |
| download | qemu-e73316d594256cedb926cb76444e8ee00a5032b9.tar.gz | |
s390x/kvm: disable cpu model for the 2.7 machine
cpu model was merged with 2.8, it is wrong to abuse ri_allowed which
was enabled with 2.7.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
| -rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 17 | ||||
| -rw-r--r-- | include/hw/s390x/s390-virtio-ccw.h | 3 | ||||
| -rw-r--r-- | target-s390x/kvm.c | 2 |
3 files changed, 21 insertions, 1 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index a63b4e8c61..e340eab36b 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -193,6 +193,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data) S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); s390mc->ri_allowed = true; + s390mc->cpu_model_allowed = true; mc->init = ccw_init; mc->reset = s390_machine_reset; mc->hot_add_cpu = s390_hot_add_cpu; @@ -258,6 +259,19 @@ bool ri_allowed(void) return 0; } +bool cpu_model_allowed(void) +{ + MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); + if (object_class_dynamic_cast(OBJECT_CLASS(mc), + TYPE_S390_CCW_MACHINE)) { + S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); + + return s390mc->cpu_model_allowed; + } + /* allow CPU model qmp queries with the "none" machine */ + return true; +} + static inline void s390_machine_initfn(Object *obj) { object_property_add_bool(obj, "aes-key-wrap", @@ -397,6 +411,9 @@ static void ccw_machine_2_7_instance_options(MachineState *machine) static void ccw_machine_2_7_class_options(MachineClass *mc) { + S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); + + s390mc->cpu_model_allowed = false; ccw_machine_2_8_class_options(mc); SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7); } diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h index a0c1fc8083..6ecae00386 100644 --- a/include/hw/s390x/s390-virtio-ccw.h +++ b/include/hw/s390x/s390-virtio-ccw.h @@ -36,9 +36,12 @@ typedef struct S390CcwMachineClass { /*< public >*/ bool ri_allowed; + bool cpu_model_allowed; } S390CcwMachineClass; /* runtime-instrumentation allowed by the machine */ bool ri_allowed(void); +/* cpu model allowed by the machine */ +bool cpu_model_allowed(void); #endif diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index dfaf1ca8d1..4b847a3be4 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -2490,7 +2490,7 @@ static int configure_cpu_feat(const S390FeatBitmap features) bool kvm_s390_cpu_models_supported(void) { - if (!ri_allowed()) { + if (!cpu_model_allowed()) { /* compatibility machines interfere with the cpu model */ return false; } |