Commit 0cac0f1b964 marked pseries-2.12 machines as deprecated
with reasons mentioned in its commit log.
Removing pseries-2.12 specific code with this patch.
While at it, also remove pre-3.0-migration hacks introduced for backward
compatibility which are now turned useless.
Suggested-by: Cédric Le Goater <c...@kaod.org>
Signed-off-by: Harsh Prateek Bora <hars...@linux.ibm.com>
---
docs/about/deprecated.rst | 8 --------
include/hw/ppc/spapr_cpu_core.h | 1 -
target/ppc/cpu.h | 4 ----
hw/ppc/spapr.c | 25 -------------------------
hw/ppc/spapr_cpu_core.c | 12 +++---------
target/ppc/cpu_init.c | 3 +--
target/ppc/machine.c | 16 ----------------
7 files changed, 4 insertions(+), 65 deletions(-)
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 48b230b0a0..3b312a5de2 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -243,14 +243,6 @@ These old machine types are quite neglected nowadays and
thus might have
various pitfalls with regards to live migration. Use a newer machine type
instead.
-``pseries-2.1`` up to ``pseries-2.12`` (since 9.0)
-''''''''''''''''''''''''''''''''''''''''''''''''''
-
-Older pseries machines before version 3.0 have undergone many changes
-to correct issues, mostly regarding migration compatibility. These are
-no longer maintained and removing them will make the code easier to
-read and maintain. Use versions 3.0 and above as a replacement.
-
PPC 405 ``ref405ep`` machine (since 9.1)
''''''''''''''''''''''''''''''''''''''''
diff --git a/include/hw/ppc/spapr_cpu_core.h b/include/hw/ppc/spapr_cpu_core.h
index 69a52e39b8..68f7083483 100644
--- a/include/hw/ppc/spapr_cpu_core.h
+++ b/include/hw/ppc/spapr_cpu_core.h
@@ -28,7 +28,6 @@ struct SpaprCpuCore {
/*< public >*/
PowerPCCPU **threads;
int node_id;
- bool pre_3_0_migration; /* older machine don't know about SpaprCpuState */
};
struct SpaprCpuCoreClass {
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index 74a0ab768d..506c8c825c 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -1454,10 +1454,6 @@ struct ArchCPU {
/* Those resources are used only during code translation */
/* opcode handlers */
opc_handler_t *opcodes[PPC_CPU_OPCODES_LEN];
-
- /* Fields related to migration compatibility hacks */
- bool pre_3_0_migration;
- int32_t mig_slb_nr;
};
/**
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 9089134d07..f15467049a 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -5017,31 +5017,6 @@ static void spapr_machine_3_0_class_options(MachineClass
*mc)
DEFINE_SPAPR_MACHINE(3, 0);
-/*
- * pseries-2.12
- */
-static void spapr_machine_2_12_class_options(MachineClass *mc)
-{
- SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
- static GlobalProperty compat[] = {
- { TYPE_POWERPC_CPU, "pre-3.0-migration", "on" },
- { TYPE_SPAPR_CPU_CORE, "pre-3.0-migration", "on" },
- };
-
- spapr_machine_3_0_class_options(mc);
- compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
- compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
-
- /* We depend on kvm_enabled() to choose a default value for the
- * hpt-max-page-size capability. Of course we can't do it here
- * because this is too early and the HW accelerator isn't initialized
- * yet. Postpone this to machine init (see default_caps_with_cpu()).
- */
- smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = 0;
-}
-
-DEFINE_SPAPR_MACHINE(2, 12);
-
static void spapr_machine_register_types(void)
{
type_register_static(&spapr_machine_info);
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 4642245168..1a84345f36 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -197,9 +197,7 @@ static void spapr_unrealize_vcpu(PowerPCCPU *cpu,
SpaprCpuCore *sc)
{
CPUPPCState *env = &cpu->env;
- if (!sc->pre_3_0_migration) {
- vmstate_unregister(NULL, &vmstate_spapr_cpu_state, cpu->machine_data);
- }
+ vmstate_unregister(NULL, &vmstate_spapr_cpu_state, cpu->machine_data);
spapr_irq_cpu_intc_destroy(SPAPR_MACHINE(qdev_get_machine()), cpu);
cpu_ppc_tb_free(env);
qdev_unrealize(DEVICE(cpu));
@@ -285,10 +283,8 @@ static bool spapr_realize_vcpu(PowerPCCPU *cpu,
SpaprMachineState *spapr,
return false;
}
- if (!sc->pre_3_0_migration) {
- vmstate_register(NULL, cs->cpu_index, &vmstate_spapr_cpu_state,
- cpu->machine_data);
- }
+ vmstate_register(NULL, cs->cpu_index, &vmstate_spapr_cpu_state,
+ cpu->machine_data);
return true;
}
@@ -366,8 +362,6 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
static Property spapr_cpu_core_properties[] = {
DEFINE_PROP_INT32("node-id", SpaprCpuCore, node_id,
CPU_UNSET_NUMA_NODE_ID),
- DEFINE_PROP_BOOL("pre-3.0-migration", SpaprCpuCore, pre_3_0_migration,
- false),
DEFINE_PROP_END_OF_LIST()
};
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 39c19e6674..011e53d961 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -7452,8 +7452,7 @@ static void ppc_disas_set_info(CPUState *cs,
disassemble_info *info)
}
static Property ppc_cpu_properties[] = {
- DEFINE_PROP_BOOL("pre-3.0-migration", PowerPCCPU, pre_3_0_migration,
- false),
+ /* add default property here */
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/target/ppc/machine.c b/target/ppc/machine.c
index 47495b68b1..2738f429c9 100644
--- a/target/ppc/machine.c
+++ b/target/ppc/machine.c
@@ -118,15 +118,6 @@ static const VMStateInfo vmstate_info_vsr = {
#define VMSTATE_VSR_ARRAY(_f, _s, _n) \
VMSTATE_VSR_ARRAY_V(_f, _s, _n, 0)
-#if defined(TARGET_PPC64)
-static bool cpu_pre_3_0_migration(void *opaque, int version_id)
-{
- PowerPCCPU *cpu = opaque;
-
- return cpu->pre_3_0_migration;
-}
-#endif
-
static int cpu_pre_save(void *opaque)
{
PowerPCCPU *cpu = opaque;
@@ -154,12 +145,6 @@ static int cpu_pre_save(void *opaque)
env->spr[SPR_IBAT4U + 2 * i + 1] = env->IBAT[1][i + 4];
}
- if (cpu->pre_3_0_migration) {
- if (cpu->hash64_opts) {
- cpu->mig_slb_nr = cpu->hash64_opts->slb_size;
- }
- }
-
/* Used to retain migration compatibility for pre 6.0 for 601 machines. */
env->hflags_compat_nmsr = 0;
@@ -508,7 +493,6 @@ static const VMStateDescription vmstate_slb = {
.needed = slb_needed,
.post_load = slb_post_load,
.fields = (const VMStateField[]) {
- VMSTATE_INT32_TEST(mig_slb_nr, PowerPCCPU, cpu_pre_3_0_migration),
VMSTATE_SLB_ARRAY(env.slb, PowerPCCPU, MAX_SLB_ENTRIES),
VMSTATE_END_OF_LIST()
}
