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Diffstat (limited to 'drivers/block/Kconfig')
-rw-r--r-- | drivers/block/Kconfig | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 83c32cb..717d6e4 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -470,6 +470,27 @@ config XEN_BLKDEV_FRONTEND block device driver. It communicates with a back-end driver in another domain which drives the actual block device. +config XEN_BLKDEV_BACKEND + tristate "Block-device backend driver" + depends on XEN_BACKEND + help + The block-device backend driver allows the kernel to export its + block devices to other guests via a high-performance shared-memory + interface. + + The corresponding Linux frontend driver is enabled by the + CONFIG_XEN_BLKDEV_FRONTEND configuration option. + + The backend driver attaches itself to a any block device specified + in the XenBus configuration. There are no limits to what the block + device as long as it has a major and minor. + + If you are compiling a kernel to run in a Xen block backend driver + domain (often this is domain 0) you should say Y here. To + compile this driver as a module, chose M here: the module + will be called xen-blkback. + + config VIRTIO_BLK tristate "Virtio block driver (EXPERIMENTAL)" depends on EXPERIMENTAL && VIRTIO |