[RFC PATCH V6 04/19] memory-hotplug: offline and remove memory when removing the memory device

[Vasilis Liaskovitis]

Hi,

> We should offline and remove memory when removing the memory device.
> The memory device can be removed by 2 ways:
> 1. send eject request by SCI
> 2. echo 1 >/sys/bus/pci/devices/PNP0C80:XX/eject
>

[snip]

> +
> +static int acpi_memory_disable_device(struct acpi_memory_device *mem_device)
> +{
> +       int result;
> +
> +       /*
> +        * Ask the VM to offline this memory range.
> +        * Note: Assume that this function returns zero on success
> +        */
> +       result = acpi_memory_device_remove_memory(mem_device);
> +

here we should check the result of acpi_memory_device_remove_memory()
and not continue if it failed.

>         /* Power-off and eject the device */
>         result = acpi_memory_powerdown_device(mem_device);
>         if (result) {

thanks,

- Vasilis