drivers/virtio: Enable virtio mem for ARM64

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@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20220119010551.181405-1-gshan@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 492fc26..b5adf6a 100644 (file)
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -105,7 +105,7 @@ config VIRTIO_BALLOON
 
 config VIRTIO_MEM
        tristate "Virtio mem driver"
-       depends on X86_64
+       depends on X86_64 || ARM64
        depends on VIRTIO
        depends on MEMORY_HOTPLUG
        depends on MEMORY_HOTREMOVE
@@ -115,8 +115,9 @@ 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.