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| author | Gerd Hoffmann <kraxel@redhat.com> | 2010-12-14 18:40:46 +0000 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-01-11 14:30:52 -0500 |
| commit | ab31523c2fcac557226bac72cbdf5fafe01f9a26 (patch) | |
| tree | d846311151a68cb0c3bf55b2c77f34a33e0b02fd /drivers/xen/Kconfig | |
| parent | f07745325cbd93afc5d8bcf7539a063d33134075 (diff) | |
| download | lwn-ab31523c2fcac557226bac72cbdf5fafe01f9a26.tar.gz lwn-ab31523c2fcac557226bac72cbdf5fafe01f9a26.zip | |
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/Kconfig | 7 |
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 |