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xen/granttable: Support transitive grants
authorAnnie Li <annie.li@oracle.com>
Mon, 12 Dec 2011 10:15:07 +0000 (18:15 +0800)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 2 Feb 2012 19:07:04 +0000 (14:07 -0500)
commit144e6c1b3bc2f54f7fd9eff33761e5e994f41b63
tree8f237be2d623298b6a74c345355360f9073c319btree
parent81bae3ce9d8b76ef9eca92eba6070a7fafe5250bcommit | diff
xen/granttable: Support transitive grants

These allow a domain A which has been granted access on a page of domain B's
memory to issue domain C with a copy-grant on the same page.  This is useful
e.g. for forwarding packets between domains.

Signed-off-by: Annie Li <annie.li@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
drivers/xen/grant-table.c diff | blob | history
include/xen/grant_table.h diff | blob | history
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