[PATCH v2 11/11] ppc/spapr: remove deprecated machine pseries-4.2

Philippe Mathieu-Daudé
2025-10-21T08:44:43Z

From: Harsh Prateek Bora <harshpb@linux.ibm.com>

Remove the pseries-4.2 machine specific logic as had been deprecated and
due for removal now as per policy.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
include/hw/ppc/spapr.h | 1 -
hw/ppc/spapr.c | 27 ---------------------------
2 files changed, 28 deletions(-)

diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 60d9a8a0377..b9d884745fe 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -141,7 +141,6 @@ struct SpaprCapabilities {
struct SpaprMachineClass {
MachineClass parent_class;

- hwaddr rma_limit; /* clamp the RMA to this size */
bool pre_5_1_assoc_refpoints;
bool pre_5_2_numa_associativity;
bool pre_6_2_numa_affinity;
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index a06392beff1..b6f151d7468 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2729,7 +2729,6 @@ static PCIHostState *spapr_create_default_phb(void)
static hwaddr spapr_rma_size(SpaprMachineState *spapr, Error **errp)
{
MachineState *machine = MACHINE(spapr);
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
hwaddr rma_size = machine->ram_size;
hwaddr node0_size = spapr_node0_size(machine);

@@ -2742,15 +2741,6 @@ static hwaddr spapr_rma_size(SpaprMachineState *spapr, Error **errp)
*/
rma_size = MIN(rma_size, 1 * TiB);

- /*
- * Clamp the RMA size based on machine type. This is for
- * migration compatibility with older qemu versions, which limited
- * the RMA size for complicated and mostly bad reasons.
- */
- if (smc->rma_limit) {
- rma_size = MIN(rma_size, smc->rma_limit);
- }
-
if (rma_size < MIN_RMA_SLOF) {
error_setg(errp,
"pSeries SLOF firmware requires >= %" HWADDR_PRIx
@@ -4913,23 +4903,6 @@ static void spapr_machine_5_0_class_options(MachineClass *mc)

DEFINE_SPAPR_MACHINE(5, 0);

-/*
- * pseries-4.2
- */
-static void spapr_machine_4_2_class_options(MachineClass *mc)
-{
- SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
-
- spapr_machine_5_0_class_options(mc);
- compat_props_add(mc->compat_props, hw_compat_4_2, hw_compat_4_2_len);
- smc->default_caps.caps[SPAPR_CAP_CCF_ASSIST] = SPAPR_CAP_OFF;
- smc->default_caps.caps[SPAPR_CAP_FWNMI] = SPAPR_CAP_OFF;
- smc->rma_limit = 16 * GiB;
- mc->nvdimm_supported = false;
-}
-
-DEFINE_SPAPR_MACHINE(4, 2);
-
static void spapr_machine_register_types(void)
{
type_register_static(&spapr_machine_info);
--
2.51.0