On 19.01.22 08:46, Gavin Shan wrote: > Hi Michael, > > On 1/19/22 3:39 PM, Michael S. Tsirkin wrote: >> 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@xxxxxxxxxx> >>> Acked-by: David Hildenbrand <david@xxxxxxxxxx> >>> Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> >>> Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> >>> --- >>> 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? >> You mean depends on MEMORY_HOTPLUG depends on MEMORY_HOTREMOVE We still need a manual opt-in from architectures, because devil's in the detail. (e.g., memblock stuff we had to adjust) -- Thanks, David / dhildenb _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
