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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-05-12 16:10:55 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-05-12 17:55:40 -0400
commita4c348580e65c95d4b278bb6f154f622df12b893 (patch)
tree768e1fc7132dfa752e83cb50918756c1276f89be /drivers/block
parentb9fc02968c5dd3c0461b4bb126499a17b13fb86e (diff)
xen/blkback: Flesh out the description in the Kconfig.
with more details. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 9abb6468971..717d6e4e18d 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -478,6 +478,19 @@ config XEN_BLKDEV_BACKEND
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