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authorGerd Hoffmann <kraxel@redhat.com>2010-12-14 18:40:46 +0000
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-01-11 14:30:52 -0500
commitab31523c2fcac557226bac72cbdf5fafe01f9a26 (patch)
treed846311151a68cb0c3bf55b2c77f34a33e0b02fd /drivers/xen/Kconfig
parentf07745325cbd93afc5d8bcf7539a063d33134075 (diff)
downloadlinux-ab31523c2fcac557226bac72cbdf5fafe01f9a26.tar.gz
xen/gntdev: allow usermode to map granted pages
The gntdev driver allows usermode to map granted pages from other domains. This is typically used to implement a Xen backend driver in user mode. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/Kconfig')
-rw-r--r--drivers/xen/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 6e6180ccd726..bd3095f0dff2 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -62,6 +62,13 @@ config XEN_SYS_HYPERVISOR
virtual environment, /sys/hypervisor will still be present,
but will have no xen contents.
+config XEN_GNTDEV
+ tristate "userspace grant access device driver"
+ depends on XEN
+ select MMU_NOTIFIER
+ help
+ Allows userspace processes to use grants.
+
config XEN_PLATFORM_PCI
tristate "xen platform pci device driver"
depends on XEN_PVHVM