commit | 5ebc77de83c7b74543de774afa7395b3b790e65e | [log] [tgz] |
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author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | Wed Sep 10 22:49:30 2014 +0000 |
committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | Thu Sep 11 18:11:52 2014 +0000 |
tree | ed73142a80e34fc36e66ac52231b66446ca9f72a | |
parent | 0b5a50635fc916cf46e3de0b819a61fc3f17e7ee [diff] |
xen/arm: introduce XENFEAT_grant_map_identity The flag tells us that the hypervisor maps a grant page to guest physical address == machine address of the page in addition to the normal grant mapping address. It is needed to properly issue cache maintenance operation at the completion of a DMA operation involving a foreign grant. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Tested-by: Denis Schneider <v1ne2go@gmail.com>