x86/mm: Allow dummy responses on the mem_event ring.
authorAndres Lagar-Cavilla <andres@lagarcavilla.org>
Tue, 6 Dec 2011 20:10:32 +0000 (20:10 +0000)
committerAndres Lagar-Cavilla <andres@lagarcavilla.org>
Tue, 6 Dec 2011 20:10:32 +0000 (20:10 +0000)
commit4803908397f076691052684a3b42fcf2d4109420
tree41ab3730fe5ea189056a815a4e1352d1f9784c57
parent151d4bf8d6e5638115d0e60fb0e61ea61efcc38c
x86/mm: Allow dummy responses on the mem_event ring.

Ring semantics require that for every request, a response be put. This
allows consumer to place a dummy response if need be.

Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Signed-off-by: Tim Deegan <tim@xen.org>
Committed-by: Tim Deegan <tim@xen.org>
xen/arch/x86/mm/mem_sharing.c
xen/arch/x86/mm/p2m.c
xen/include/public/mem_event.h