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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-03-27 10:03:38 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2024-06-19 12:40:49 +0200
commit2529ea2d561ea9fe359fb19ebdcfeb8b6cddd219 (patch)
treee430d53d40be5776cde06b428413eceda2f4be3e
parentd0226c582307c8a0403fb34f4b3e9b305d4a4563 (diff)
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hw/acpi/ich9: Remove dead code related to 'acpi_memory_hotplug'
acpi_memory_hotplug::is_enabled is set to %true once via ich9_lpc_initfn() -> ich9_pm_add_properties(). No need to check it, so remove now dead code. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20240617071118.60464-8-philmd@linaro.org>
-rw-r--r--hw/acpi/ich9.c28
1 files changed, 6 insertions, 22 deletions
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 9b605af..02d8546 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -153,17 +153,10 @@ static int ich9_pm_post_load(void *opaque, int version_id)
.offset = vmstate_offset_pointer(_state, _field, uint8_t), \
}
-static bool vmstate_test_use_memhp(void *opaque)
-{
- ICH9LPCPMRegs *s = opaque;
- return s->acpi_memory_hotplug.is_enabled;
-}
-
static const VMStateDescription vmstate_memhp_state = {
.name = "ich9_pm/memhp",
.version_id = 1,
.minimum_version_id = 1,
- .needed = vmstate_test_use_memhp,
.fields = (const VMStateField[]) {
VMSTATE_MEMORY_HOTPLUG(acpi_memory_hotplug, ICH9LPCPMRegs),
VMSTATE_END_OF_LIST()
@@ -335,11 +328,9 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, qemu_irq sci_irq)
legacy_acpi_cpu_hotplug_init(pci_address_space_io(lpc_pci),
OBJECT(lpc_pci), &pm->gpe_cpu, ICH9_CPU_HOTPLUG_IO_BASE);
- if (pm->acpi_memory_hotplug.is_enabled) {
- acpi_memory_hotplug_init(pci_address_space_io(lpc_pci), OBJECT(lpc_pci),
- &pm->acpi_memory_hotplug,
- ACPI_MEMORY_HOTPLUG_BASE);
- }
+ acpi_memory_hotplug_init(pci_address_space_io(lpc_pci), OBJECT(lpc_pci),
+ &pm->acpi_memory_hotplug,
+ ACPI_MEMORY_HOTPLUG_BASE);
}
static void ich9_pm_get_gpe0_blk(Object *obj, Visitor *v, const char *name,
@@ -460,12 +451,7 @@ void ich9_pm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
return;
}
- if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) &&
- !lpc->pm.acpi_memory_hotplug.is_enabled) {
- error_setg(errp,
- "memory hotplug is not enabled: %s.memory-hotplug-support "
- "is not set", object_get_typename(OBJECT(lpc)));
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
+ if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
uint64_t negotiated = lpc->smi_negotiated_features;
if (negotiated & BIT_ULL(ICH9_LPC_SMI_F_BROADCAST_BIT) &&
@@ -509,8 +495,7 @@ void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev,
{
ICH9LPCState *lpc = ICH9_LPC_DEVICE(hotplug_dev);
- if (lpc->pm.acpi_memory_hotplug.is_enabled &&
- object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
acpi_memory_unplug_request_cb(hotplug_dev,
&lpc->pm.acpi_memory_hotplug, dev,
errp);
@@ -545,8 +530,7 @@ void ich9_pm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
{
ICH9LPCState *lpc = ICH9_LPC_DEVICE(hotplug_dev);
- if (lpc->pm.acpi_memory_hotplug.is_enabled &&
- object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
acpi_memory_unplug_cb(&lpc->pm.acpi_memory_hotplug, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU) &&
!lpc->pm.cpu_hotplug_legacy) {