[PATCH v2] drivers/virtio: Enable virtio mem for ARM64

[Gavin Shan]

On 1/18/22 4:48 PM, Gavin Shan wrote:
> This enables virtio-mem device support by allowing to enable the
> corresponding kernel config option (CONFIG_VIRTIO_MEM) on the
> architecture.
> 
> Signed-off-by: Gavin Shan <gshan at redhat.com>
> Acked-by: David Hildenbrand <david at redhat.com>
> ---
> v2: Improved the comments about the kernel config option (David)
> ---
>   drivers/virtio/Kconfig | 7 ++++---
>   1 file changed, 4 insertions(+), 3 deletions(-)

My git-sendemail should have been broken. A list of receivers are
dropped automatically though they were explicitly specified, but
linux-arm-kernel at lists.infradead.org was missed to be copied.
Fixing all of them through thunderbird :)

Thanks,
Gavin

> 
> diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
> index 34f80b7a8a64..74c8b0c7bc33 100644
> --- a/drivers/virtio/Kconfig
> +++ b/drivers/virtio/Kconfig
> @@ -106,7 +106,7 @@ config VIRTIO_BALLOON
>   config VIRTIO_MEM
>   	tristate "Virtio mem driver"
>   	default m
> -	depends on X86_64
> +	depends on X86_64 || ARM64
>   	depends on VIRTIO
>   	depends on MEMORY_HOTPLUG
>   	depends on MEMORY_HOTREMOVE
> @@ -116,8 +116,9 @@ config VIRTIO_MEM
>   	 This driver provides access to virtio-mem paravirtualized memory
>   	 devices, allowing to hotplug and hotunplug memory.
>   
> -	 This driver was only tested under x86-64, but should theoretically
> -	 work on all architectures that support memory hotplug and hotremove.
> +	 This driver was only tested under x86-64 and arm64, but should
> +	 theoretically work on all architectures that support memory hotplug
> +	 and hotremove.
>   
>   	 If unsure, say M.
>   
>