pseries-4.0 had been deprecated and due for removal now as per policy.
Also remove pre-4.1 migration hacks which were introduced for backward
compatibility.

Suggested-by: Cédric Le Goater <c...@kaod.org>
Signed-off-by: Harsh Prateek Bora <hars...@linux.ibm.com>
---
 include/hw/ppc/spapr.h |  1 -
 hw/ppc/spapr.c         | 27 ---------------------------
 hw/ppc/spapr_caps.c    | 12 +-----------
 3 files changed, 1 insertion(+), 39 deletions(-)

diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 02b66f7ffa..328681a585 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -144,7 +144,6 @@ struct SpaprMachineClass {
 
     /*< public >*/
     uint32_t nr_xirqs;
-    bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
     bool linux_pci_probe;
     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
     hwaddr rma_limit;          /* clamp the RMA to this size */
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 44b9fc3ab6..a11e18ff74 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4968,33 +4968,6 @@ static void spapr_machine_4_1_class_options(MachineClass 
*mc)
 
 DEFINE_SPAPR_MACHINE(4, 1);
 
-/*
- * pseries-4.0
- */
-static bool phb_placement_4_0(SpaprMachineState *spapr, uint32_t index,
-                              uint64_t *buid, hwaddr *pio,
-                              hwaddr *mmio32, hwaddr *mmio64,
-                              unsigned n_dma, uint32_t *liobns, Error **errp)
-{
-    if (!spapr_phb_placement(spapr, index, buid, pio, mmio32, mmio64, n_dma,
-                             liobns, errp)) {
-        return false;
-    }
-    return true;
-}
-static void spapr_machine_4_0_class_options(MachineClass *mc)
-{
-    SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
-
-    spapr_machine_4_1_class_options(mc);
-    compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
-    smc->phb_placement = phb_placement_4_0;
-    smc->irq = &spapr_irq_xics;
-    smc->pre_4_1_migration = true;
-}
-
-DEFINE_SPAPR_MACHINE(4, 0);
-
 static void spapr_machine_register_types(void)
 {
     type_register_static(&spapr_machine_info);
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
index f2f5722d8a..d643591e25 100644
--- a/hw/ppc/spapr_caps.c
+++ b/hw/ppc/spapr_caps.c
@@ -67,7 +67,6 @@ typedef struct SpaprCapabilityInfo {
     void (*apply)(SpaprMachineState *spapr, uint8_t val, Error **errp);
     void (*cpu_apply)(SpaprMachineState *spapr, PowerPCCPU *cpu,
                       uint8_t val, Error **errp);
-    bool (*migrate_needed)(void *opaque);
 } SpaprCapabilityInfo;
 
 static void spapr_cap_get_bool(Object *obj, Visitor *v, const char *name,
@@ -337,11 +336,6 @@ static void cap_hpt_maxpagesize_apply(SpaprMachineState 
*spapr,
     spapr_check_pagesize(spapr, qemu_minrampagesize(), errp);
 }
 
-static bool cap_hpt_maxpagesize_migrate_needed(void *opaque)
-{
-    return !SPAPR_MACHINE_GET_CLASS(opaque)->pre_4_1_migration;
-}
-
 static bool spapr_pagesize_cb(void *opaque, uint32_t seg_pshift,
                               uint32_t pshift)
 {
@@ -794,7 +788,6 @@ SpaprCapabilityInfo capability_table[SPAPR_CAP_NUM] = {
         .type = "int",
         .apply = cap_hpt_maxpagesize_apply,
         .cpu_apply = cap_hpt_maxpagesize_cpu_apply,
-        .migrate_needed = cap_hpt_maxpagesize_migrate_needed,
     },
     [SPAPR_CAP_NESTED_KVM_HV] = {
         .name = "nested-hv",
@@ -983,11 +976,8 @@ int spapr_caps_post_migration(SpaprMachineState *spapr)
 static bool spapr_cap_##sname##_needed(void *opaque)    \
 {                                                       \
     SpaprMachineState *spapr = opaque;                  \
-    bool (*needed)(void *opaque) =                      \
-        capability_table[cap].migrate_needed;           \
                                                         \
-    return needed ? needed(opaque) : true &&            \
-           spapr->cmd_line_caps[cap] &&                 \
+    return spapr->cmd_line_caps[cap] &&                 \
            (spapr->eff.caps[cap] !=                     \
             spapr->def.caps[cap]);                      \
 }                                                       \
-- 
2.49.0


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