[PATCH v3] drivers/virtio: Enable virtio mem for ARM64
Michael S. Tsirkin
mst at redhat.com
Tue Jan 18 23:39:46 PST 2022
On Wed, Jan 19, 2022 at 09:05:51AM +0800, 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>
> Acked-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
> Acked-by: Michael S. Tsirkin <mst at redhat.com>
> ---
> v3: Pick ack-by tags from Jonathan and Michael
> ---
> drivers/virtio/Kconfig | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> 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.
>
BTW isn't there a symbol saying "memory hotplug" that we can depend on?
> If unsure, say M.
>
> --
> 2.23.0
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