Merge tag 'for-linus-20160106' of git://git.infradead.org/linux-mtd

[firefly-linux-kernel-4.4.55.git] / drivers / vhost / Kconfig

diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
index 017a1e8a8f6fcf4eb092fa48584aef00dddf5f17..533eaf04f12faff85ba90791647c08a1f7a17599 100644 (file)
--- a/drivers/vhost/Kconfig
+++ b/drivers/vhost/Kconfig
@@ -32,3 +32,18 @@ config VHOST
        ---help---
          This option is selected by any driver which needs to access
          the core of vhost.
+
+config VHOST_CROSS_ENDIAN_LEGACY
+       bool "Cross-endian support for vhost"
+       default n
+       ---help---
+         This option allows vhost to support guests with a different byte
+         ordering from host while using legacy virtio.
+
+         Userspace programs can control the feature using the
+         VHOST_SET_VRING_ENDIAN and VHOST_GET_VRING_ENDIAN ioctls.
+
+         This is only useful on a few platforms (ppc64 and arm64). Since it
+         adds some overhead, it is disabled by default.
+
+         If unsure, say "N".