Messages in this thread | | | From | Konrad Rzeszutek Wilk <> | Subject | [PATCH] Add grant references for fbfront/kbdfront | Date | Tue, 15 Mar 2011 10:11:11 -0400 |
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This patchset is proposed for 2.6.39.
The patchset description from: http://lists.colo.xensource.com/archives/html/xen-devel/2011-03/msg00381.html
This series fixes the interface for the fbfront and kbdfront devices, which were storing MFNs in xenstore rather than creating grant table entries. To maintain backwards compatibility, a different xenstore key is used (page-gref instead of page-ref) and the use of grants must be requested for fbfront (because two levels of page references are embedded within the shared page). This makes it possible to move a display server out of dom0 without giving the display domain full access to other domain's memory.
Changes since v1: Updated xenstore key to "feature-grants"
Updated frontend patch has been sent to qemu-devel.
drivers/input/xen-kbdfront.c | 39 +++++++++---- drivers/video/xen-fbfront.c | 126 ++++++++++++++++++++++++++++++++++------- 2 files changed, 132 insertions(+), 33 deletions(-)
Daniel De Graaf (3): xen-fbfront: Read width/height from backend xen-kbdfront: Add grant reference for shared page xen-fbfront: Use grant references when requested
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