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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Salil Mehta <salil.mehta@huawei.com>
Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, maz@kernel.org,
	jean-philippe@linaro.org, jonathan.cameron@huawei.com,
	lpieralisi@kernel.org, peter.maydell@linaro.org,
	richard.henderson@linaro.org, imammedo@redhat.com,
	andrew.jones@linux.dev, david@redhat.com, philmd@linaro.org,
	eric.auger@redhat.com, oliver.upton@linux.dev,
	pbonzini@redhat.com, mst@redhat.com, will@kernel.org,
	gshan@redhat.com, rafael@kernel.org, linux@armlinux.org.uk,
	darren@os.amperecomputing.com, ilkka@os.amperecomputing.com,
	vishnu@os.amperecomputing.com, karl.heubaum@oracle.com,
	miguel.luis@oracle.com, salil.mehta@opnsrc.net,
	zhukeqian1@huawei.com, wangxiongfeng2@huawei.com,
	wangyanan55@huawei.com, jiakernel2@gmail.com,
	maobibo@loongson.cn, lixianglai@loongson.cn, linuxarm@huawei.com
Subject: Re: [PATCH 3/9] hw/acpi: Add ACPI CPU hotplug init stub
Date: Fri, 29 Sep 2023 15:27:27 +0100	[thread overview]
Message-ID: <87y1gpnjf9.fsf@linaro.org> (raw)
In-Reply-To: <20230929124304.13672-4-salil.mehta@huawei.com>


Salil Mehta <salil.mehta@huawei.com> writes:

> ACPI CPU hotplug related initialization should only happen if ACPI_CPU_HOTPLUG
> support has been enabled for particular architecture. Add cpu_hotplug_hw_init()
> stub to avoid compilation break.

When does the compilation break? It's usually ok to include stubs with
that commit.

>
> Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
> ---
>  hw/acpi/acpi-cpu-hotplug-stub.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/hw/acpi/acpi-cpu-hotplug-stub.c b/hw/acpi/acpi-cpu-hotplug-stub.c
> index 3fc4b14c26..c6c61bb9cd 100644
> --- a/hw/acpi/acpi-cpu-hotplug-stub.c
> +++ b/hw/acpi/acpi-cpu-hotplug-stub.c
> @@ -19,6 +19,12 @@ void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner,
>      return;
>  }
>  
> +void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
> +                         CPUHotplugState *state, hwaddr base_addr)
> +{
> +    return;
> +}
> +
>  void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list)
>  {
>      return;


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro

  reply	other threads:[~2023-09-29 14:27 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-29 12:42 [PATCH 0/9] Add architecture agnostic code to support vCPU Hotplug Salil Mehta
2023-09-29 12:42 ` Salil Mehta via
2023-09-29 12:42 ` [PATCH 1/9] accel/kvm: Extract common KVM vCPU {creation,parking} code Salil Mehta
2023-09-29 12:42   ` [PATCH 1/9] accel/kvm: Extract common KVM vCPU {creation, parking} code Salil Mehta via
2023-09-29 13:32   ` [PATCH 1/9] accel/kvm: Extract common KVM vCPU {creation,parking} code Alex Bennée
2023-09-29 15:22     ` Salil Mehta
2023-09-29 15:22       ` [PATCH 1/9] accel/kvm: Extract common KVM vCPU {creation, parking} code Salil Mehta via
2023-09-29 16:45       ` [PATCH 1/9] accel/kvm: Extract common KVM vCPU {creation,parking} code Alex Bennée
2023-09-29 12:42 ` [PATCH 2/9] hw/acpi: Move CPU ctrl-dev MMIO region len macro to common header file Salil Mehta
2023-09-29 12:42   ` Salil Mehta via
2023-09-29 14:03   ` Alex Bennée
2023-09-29 15:24     ` Salil Mehta
2023-09-29 15:24       ` Salil Mehta via
2023-09-29 12:42 ` [PATCH 3/9] hw/acpi: Add ACPI CPU hotplug init stub Salil Mehta
2023-09-29 12:42   ` Salil Mehta via
2023-09-29 14:27   ` Alex Bennée [this message]
2023-09-29 15:47     ` Salil Mehta
2023-09-29 15:47       ` Salil Mehta via
2023-10-02  6:11       ` Philippe Mathieu-Daudé
2023-09-29 12:42 ` [PATCH 4/9] hw/acpi: Init GED framework with cpu hotplug events Salil Mehta
2023-09-29 12:42   ` Salil Mehta via
2023-10-02 16:06   ` Jonathan Cameron
2023-10-02 16:06     ` Jonathan Cameron via
2023-10-03 10:24     ` Salil Mehta
2023-10-03 10:24       ` Salil Mehta via
2023-09-29 12:43 ` [PATCH 5/9] hw/acpi: Update CPUs AML with cpu-(ctrl)dev change Salil Mehta
2023-09-29 12:43   ` Salil Mehta via
2023-09-29 12:43 ` [PATCH 6/9] hw/acpi: Update GED _EVT method AML with cpu scan Salil Mehta
2023-09-29 12:43   ` Salil Mehta via
2023-09-29 12:43 ` [PATCH 7/9] hw/acpi: Update ACPI GED framework to support vCPU Hotplug Salil Mehta
2023-09-29 12:43   ` Salil Mehta via
2023-09-29 12:43 ` [PATCH 8/9] physmem,gdbstub: Add helper functions to help *unrealize* vCPU object Salil Mehta
2023-09-29 12:43   ` [PATCH 8/9] physmem, gdbstub: " Salil Mehta via
2023-09-29 14:34   ` [PATCH 8/9] physmem,gdbstub: " Alex Bennée
2023-09-29 16:00     ` Salil Mehta
2023-09-29 16:00       ` Salil Mehta via
2023-09-29 12:43 ` [PATCH 9/9] target/arm/kvm: Write CPU state back to KVM on reset Salil Mehta
2023-09-29 12:43   ` Salil Mehta via
2023-09-29 14:39   ` Alex Bennée
2023-09-29 16:01     ` Salil Mehta
2023-09-29 16:01       ` Salil Mehta via

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