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Re: [PATCH 2/3] hw/acpi/cpu_hotplug: Rename 'parent' MemoryRegion as 'co
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH 2/3] hw/acpi/cpu_hotplug: Rename 'parent' MemoryRegion as 'container' |
Date: |
Tue, 28 Feb 2023 16:43:59 -0500 |
On Fri, Feb 03, 2023 at 05:30:20PM +0100, Philippe Mathieu-Daudé wrote:
> No logical change, rename for clarity.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Can't say container is clearer. If we are changing things
I'd like to see a real improvement.
> ---
> hw/acpi/acpi-cpu-hotplug-stub.c | 2 +-
> hw/acpi/cpu_hotplug.c | 10 +++++-----
> hw/acpi/piix4.c | 10 +++++-----
> include/hw/acpi/cpu_hotplug.h | 2 +-
> 4 files changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/hw/acpi/acpi-cpu-hotplug-stub.c b/hw/acpi/acpi-cpu-hotplug-stub.c
> index b590ad57e1..cbd7a6ec00 100644
> --- a/hw/acpi/acpi-cpu-hotplug-stub.c
> +++ b/hw/acpi/acpi-cpu-hotplug-stub.c
> @@ -13,7 +13,7 @@ void acpi_switch_to_modern_cphp(AcpiCpuHotplug *gpe,
> return;
> }
>
> -void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner,
> +void legacy_acpi_cpu_hotplug_init(MemoryRegion *container, Object *owner,
> AcpiCpuHotplug *gpe, uint16_t base)
> {
> return;
> diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c
> index 3cfa4f45dc..636e985c50 100644
> --- a/hw/acpi/cpu_hotplug.c
> +++ b/hw/acpi/cpu_hotplug.c
> @@ -81,14 +81,14 @@ void legacy_acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
> AcpiCpuHotplug *gpe,
> acpi_send_event(DEVICE(hotplug_dev), ACPI_CPU_HOTPLUG_STATUS);
> }
>
> -void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner,
> +void legacy_acpi_cpu_hotplug_init(MemoryRegion *container, Object *owner,
> AcpiCpuHotplug *gpe, uint16_t base)
> {
> CPUState *cpu;
>
> memory_region_init_io(&gpe->io, owner, &AcpiCpuHotplug_ops,
> gpe, "acpi-cpu-hotplug", ACPI_GPE_PROC_LEN);
> - memory_region_add_subregion(parent, base, &gpe->io);
> + memory_region_add_subregion(container, base, &gpe->io);
> gpe->device = owner;
>
> CPU_FOREACH(cpu) {
> @@ -100,10 +100,10 @@ void acpi_switch_to_modern_cphp(AcpiCpuHotplug *gpe,
> CPUHotplugState *cpuhp_state,
> uint16_t io_port)
> {
> - MemoryRegion *parent = pci_address_space_io(PCI_DEVICE(gpe->device));
> + MemoryRegion *container = pci_address_space_io(PCI_DEVICE(gpe->device));
>
> - memory_region_del_subregion(parent, &gpe->io);
> - cpu_hotplug_hw_init(parent, gpe->device, cpuhp_state, io_port);
> + memory_region_del_subregion(container, &gpe->io);
> + cpu_hotplug_hw_init(container, gpe->device, cpuhp_state, io_port);
> }
>
> void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState *machine,
> diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
> index c702d83f27..5595fe5be5 100644
> --- a/hw/acpi/piix4.c
> +++ b/hw/acpi/piix4.c
> @@ -555,15 +555,15 @@ static void piix4_set_cpu_hotplug_legacy(Object *obj,
> bool value, Error **errp)
> s->cpu_hotplug_legacy = value;
> }
>
> -static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
> +static void piix4_acpi_system_hot_add_init(MemoryRegion *container,
> PCIBus *bus, PIIX4PMState *s)
> {
> memory_region_init_io(&s->io_gpe, OBJECT(s), &piix4_gpe_ops, s,
> "acpi-gpe0", GPE_LEN);
> - memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe);
> + memory_region_add_subregion(container, GPE_BASE, &s->io_gpe);
>
> if (s->use_acpi_hotplug_bridge || s->use_acpi_root_pci_hotplug) {
> - acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent,
> + acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, container,
> s->use_acpi_hotplug_bridge, ACPI_PCIHP_ADDR_PIIX4);
> }
>
> @@ -571,11 +571,11 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion
> *parent,
> object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy",
> piix4_get_cpu_hotplug_legacy,
> piix4_set_cpu_hotplug_legacy);
> - legacy_acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe,
> + legacy_acpi_cpu_hotplug_init(container, OBJECT(s), &s->gpe,
> PIIX4_CPU_HOTPLUG_IO_BASE);
>
> if (s->acpi_memory_hotplug.is_enabled) {
> - acpi_memory_hotplug_init(parent, OBJECT(s), &s->acpi_memory_hotplug,
> + acpi_memory_hotplug_init(container, OBJECT(s),
> &s->acpi_memory_hotplug,
> ACPI_MEMORY_HOTPLUG_BASE);
> }
> }
> diff --git a/include/hw/acpi/cpu_hotplug.h b/include/hw/acpi/cpu_hotplug.h
> index 99c11b7151..5ff24ec417 100644
> --- a/include/hw/acpi/cpu_hotplug.h
> +++ b/include/hw/acpi/cpu_hotplug.h
> @@ -28,7 +28,7 @@ typedef struct AcpiCpuHotplug {
> void legacy_acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, AcpiCpuHotplug
> *gpe,
> DeviceState *dev, Error **errp);
>
> -void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner,
> +void legacy_acpi_cpu_hotplug_init(MemoryRegion *container, Object *owner,
> AcpiCpuHotplug *gpe, uint16_t base);
>
> void acpi_switch_to_modern_cphp(AcpiCpuHotplug *gpe,
> --
> 2.38.1
Re: [PATCH 0/3] hw/acpi/cpu_hotplug: Convert 'Object *device' -> 'DeviceState *parent', Philippe Mathieu-Daudé, 2023/02/22