Commit 1392617d3576 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.9 specific code with this patch for now.
While at it, also remove the pre-2.10 migration hacks which now become
obsolete.
Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
---
include/hw/ppc/spapr.h | 1 -
target/ppc/cpu.h | 1 -
hw/intc/xics.c | 16 -------
hw/ppc/spapr.c | 104 -----------------------------------------
migration/savevm.c | 19 --------
target/ppc/cpu_init.c | 2 -
target/ppc/machine.c | 2 +-
7 files changed, 1 insertion(+), 144 deletions(-)
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 6e9e62386c..af4aa1cb0f 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -143,7 +143,6 @@ struct SpaprMachineClass {
/*< public >*/
bool dr_phb_enabled; /* enable dynamic-reconfig/hotplug of PHBs */
bool update_dt_enabled; /* enable KVMPPC_H_UPDATE_DT */
- bool pre_2_10_has_unused_icps;
bool legacy_irq_allocation;
uint32_t nr_xirqs;
bool broken_host_serial_model; /* present real host info to the guest */
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index cab4a46fc1..74a0ab768d 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -1456,7 +1456,6 @@ struct ArchCPU {
opc_handler_t *opcodes[PPC_CPU_OPCODES_LEN];
/* Fields related to migration compatibility hacks */
- bool pre_2_10_migration;
bool pre_3_0_migration;
int32_t mig_slb_nr;
};
diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index 6f4d5271ea..e893363dc9 100644
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -335,22 +335,6 @@ static void icp_realize(DeviceState *dev, Error **errp)
return;
}
}
- /*
- * The way that pre_2_10_icp is handling is really, really hacky.
- * We used to have here this call:
- *
- * vmstate_register(NULL, icp->cs->cpu_index, &vmstate_icp_server, icp);
- *
- * But we were doing:
- * pre_2_10_vmstate_register_dummy_icp()
- * this vmstate_register()
- * pre_2_10_vmstate_unregister_dummy_icp()
- *
- * So for a short amount of time we had to vmstate entries with
- * the same name. This fixes it.
- */
- vmstate_replace_hack_for_ppc(NULL, icp->cs->cpu_index,
- &vmstate_icp_server, icp);
}
static void icp_unrealize(DeviceState *dev)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 93decfcbeb..14a1314af6 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -132,61 +132,6 @@ static bool spapr_is_thread0_in_vcore(SpaprMachineState *spapr,
return spapr_get_vcpu_id(cpu) % spapr->vsmt == 0;
}
-static bool pre_2_10_vmstate_dummy_icp_needed(void *opaque)
-{
- /* Dummy entries correspond to unused ICPState objects in older QEMUs,
- * and newer QEMUs don't even have them. In both cases, we don't want
- * to send anything on the wire.
- */
- return false;
-}
-
-static const VMStateDescription pre_2_10_vmstate_dummy_icp = {
- /*
- * Hack ahead. We can't have two devices with the same name and
- * instance id. So I rename this to pass make check.
- * Real help from people who knows the hardware is needed.
- */
- .name = "icp/server",
- .version_id = 1,
- .minimum_version_id = 1,
- .needed = pre_2_10_vmstate_dummy_icp_needed,
- .fields = (const VMStateField[]) {
- VMSTATE_UNUSED(4), /* uint32_t xirr */
- VMSTATE_UNUSED(1), /* uint8_t pending_priority */
- VMSTATE_UNUSED(1), /* uint8_t mfrr */
- VMSTATE_END_OF_LIST()
- },
-};
-
-/*
- * See comment in hw/intc/xics.c:icp_realize()
- *
- * You have to remove vmstate_replace_hack_for_ppc() when you remove
- * the machine types that need the following function.
- */
-static void pre_2_10_vmstate_register_dummy_icp(int i)
-{
- vmstate_register(NULL, i, &pre_2_10_vmstate_dummy_icp,
- (void *)(uintptr_t) i);
-}
-
-/*
- * See comment in hw/intc/xics.c:icp_realize()
- *
- * You have to remove vmstate_replace_hack_for_ppc() when you remove
- * the machine types that need the following function.
- */
-static void pre_2_10_vmstate_unregister_dummy_icp(int i)
-{
- /*
- * This used to be:
- *
- * vmstate_unregister(NULL, &pre_2_10_vmstate_dummy_icp,
- * (void *)(uintptr_t) i);
- */
-}
-
int spapr_max_server_number(SpaprMachineState *spapr)
{
MachineState *ms = MACHINE(spapr);
@@ -2711,7 +2656,6 @@ static void spapr_init_cpus(SpaprMachineState *spapr)
{
MachineState *machine = MACHINE(spapr);
MachineClass *mc = MACHINE_GET_CLASS(machine);
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
const char *type = spapr_get_cpu_core_type(machine->cpu_type);
const CPUArchIdList *possible_cpus;
unsigned int smp_cpus = machine->smp.cpus;
@@ -2740,15 +2684,6 @@ static void spapr_init_cpus(SpaprMachineState *spapr)
boot_cores_nr = possible_cpus->len;
}
- if (smc->pre_2_10_has_unused_icps) {
- for (i = 0; i < spapr_max_server_number(spapr); i++) {
- /* Dummy entries get deregistered when real ICPState objects
- * are registered during CPU core hotplug.
- */
- pre_2_10_vmstate_register_dummy_icp(i);
- }
- }
-
for (i = 0; i < possible_cpus->len; i++) {
int core_id = i * smp_threads;
@@ -3914,21 +3849,9 @@ void spapr_core_release(DeviceState *dev)
static void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev)
{
MachineState *ms = MACHINE(hotplug_dev);
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(ms);
CPUCore *cc = CPU_CORE(dev);
CPUArchId *core_slot = spapr_find_cpu_slot(ms, cc->core_id, NULL);
- if (smc->pre_2_10_has_unused_icps) {
- SpaprCpuCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
- int i;
-
- for (i = 0; i < cc->nr_threads; i++) {
- CPUState *cs = CPU(sc->threads[i]);
-
- pre_2_10_vmstate_register_dummy_icp(cs->cpu_index);
- }
- }
-
assert(core_slot);
core_slot->cpu = NULL;
qdev_unrealize(dev);
@@ -4009,7 +3932,6 @@ static void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev)
{
SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev));
MachineClass *mc = MACHINE_GET_CLASS(spapr);
- SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
SpaprCpuCore *core = SPAPR_CPU_CORE(OBJECT(dev));
CPUCore *cc = CPU_CORE(dev);
SpaprDrc *drc;
@@ -4059,12 +3981,6 @@ static void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev)
}
}
- if (smc->pre_2_10_has_unused_icps) {
- for (i = 0; i < cc->nr_threads; i++) {
- CPUState *cs = CPU(core->threads[i]);
- pre_2_10_vmstate_unregister_dummy_icp(cs->cpu_index);
- }
- }
}
static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
@@ -5165,26 +5081,6 @@ static void spapr_machine_2_10_class_options(MachineClass *mc)
DEFINE_SPAPR_MACHINE(2, 10);
-/*
- * pseries-2.9
- */
-
-static void spapr_machine_2_9_class_options(MachineClass *mc)
-{
- SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
- static GlobalProperty compat[] = {
- { TYPE_POWERPC_CPU, "pre-2.10-migration", "on" },
- };
-
- spapr_machine_2_10_class_options(mc);
- compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
- compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
- smc->pre_2_10_has_unused_icps = true;
- smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED;
-}
-
-DEFINE_SPAPR_MACHINE(2, 9);
-
static void spapr_machine_register_types(void)
{
type_register_static(&spapr_machine_info);
diff --git a/migration/savevm.c b/migration/savevm.c
index 7e1e27182a..839a34402b 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -860,25 +860,6 @@ static void vmstate_check(const VMStateDescription *vmsd)
}
}
-/*
- * See comment in hw/intc/xics.c:icp_realize()
- *
- * This function can be removed when
- * pre_2_10_vmstate_register_dummy_icp() is removed.
- */
-int vmstate_replace_hack_for_ppc(VMStateIf *obj, int instance_id,
- const VMStateDescription *vmsd,
- void *opaque)
-{
- SaveStateEntry *se = find_se(vmsd->name, instance_id);
-
- if (se) {
- savevm_state_handler_remove(se);
- g_free(se->compat);
- g_free(se);
- }
- return vmstate_register(obj, instance_id, vmsd, opaque);
-}
int vmstate_register_with_alias_id(VMStateIf *obj, uint32_t instance_id,
const VMStateDescription *vmsd,
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 7768392986..39c19e6674 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -7452,8 +7452,6 @@ static void ppc_disas_set_info(CPUState *cs, disassemble_info *info)
}
static Property ppc_cpu_properties[] = {
- DEFINE_PROP_BOOL("pre-2.10-migration", PowerPCCPU, pre_2_10_migration,
- false),
DEFINE_PROP_BOOL("pre-3.0-migration", PowerPCCPU, pre_3_0_migration,
false),
DEFINE_PROP_END_OF_LIST(),
diff --git a/target/ppc/machine.c b/target/ppc/machine.c
index 21bed7c7c8..47495b68b1 100644
--- a/target/ppc/machine.c
+++ b/target/ppc/machine.c
@@ -630,7 +630,7 @@ static bool compat_needed(void *opaque)
PowerPCCPU *cpu = opaque;
assert(!(cpu->compat_pvr && !cpu->vhyp));
- return !cpu->pre_2_10_migration && cpu->compat_pvr != 0;
+ return cpu->compat_pvr != 0;
}
static const VMStateDescription vmstate_compat = {
--
2.45.2
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