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Re: [Qemu-devel] [PATCH 1/2] pc-dimm: remove check on pc-dimm hotpluggab
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] pc-dimm: remove check on pc-dimm hotpluggable |
Date: |
Tue, 19 Feb 2019 13:29:38 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 |
On 2/19/19 7:07 AM, Wei Yang wrote:
> Function acpi_memory_plug_cb() is only invoked when dev is a PCDIMM,
> which is hotpluggable. This means it is not necessary to check this
> property again.
>
> This patch removes this check.
>
> Signed-off-by: Wei Yang <address@hidden>
> ---
> hw/acpi/memory_hotplug.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c
> index 8c7c1013f3..b19673d337 100644
> --- a/hw/acpi/memory_hotplug.c
> +++ b/hw/acpi/memory_hotplug.c
> @@ -266,10 +266,6 @@ void acpi_memory_plug_cb(HotplugHandler *hotplug_dev,
> MemHotplugState *mem_st,
> MemStatus *mdev;
> DeviceClass *dc = DEVICE_GET_CLASS(dev);
You have to remove the 'dc' variable now:
CC hw/acpi/memory_hotplug.o
hw/acpi/memory_hotplug.c: In function ‘acpi_memory_plug_cb’:
hw/acpi/memory_hotplug.c:267:18: error: unused variable ‘dc’
[-Werror=unused-variable]
DeviceClass *dc = DEVICE_GET_CLASS(dev);
^~
Once removed:
Tested-by: Philippe Mathieu-Daudé <address@hidden>
>
> - if (!dc->hotpluggable) {
> - return;
> - }
> -
> mdev = acpi_memory_slot_status(mem_st, dev, errp);
> if (!mdev) {
> return;
>