system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-09-30 00:04:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

hw/acpi/ich9: Remove dead code related to 'acpi_memory_hotplug'

Browse source 
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>
This commit is contained in:
Philippe Mathieu-Daudé 2024-03-27 10:03:38 +01:00
parent d0226c5823
commit 2529ea2d56
1 changed files with 6 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
hw/acpi/ich9.c
View file

@ -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) {