[Xen-devel] [PATCH 0 of 5] Mem event interface improvements

[Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>]

In this patch series we add a series of improevements to the memory
event interface. Namely:
- Allow batched consumption of multiple outstanding responses
- Signal Xen to consume responses solely with an event channel kick
- Extra flag to tag events generated byforeign-domains
- Allow placing dummy domains in the ring, to keep it in sync if
 a state transition does not require an explicit response.

All these changes are orthogonal to the outstanding proposals for 
enhancing ring management.

Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
Signed-off-by: Adin Scannell <adin@xxxxxxxxxxx>
Signed-off-by: Keir Fraser <keir@xxxxxxx>

 xen/arch/x86/mm/mem_event.c     |   6 +++
 xen/include/public/mem_event.h  |   1 +
 xen/arch/ia64/vmx/vmx_init.c    |   2 +-
 xen/arch/x86/hvm/hvm.c          |   7 ++-
 xen/arch/x86/mm/mem_event.c     |   3 +-
 xen/common/event_channel.c      |  75 +++++++++++++++++++++++++++++++---------
 xen/include/xen/event.h         |   5 ++-
 xen/include/xen/sched.h         |   2 +-
 xen/arch/x86/mm/mem_event.c     |  26 ++++++++++---
 xen/arch/x86/mm/mem_event.c     |  10 ++++-
 xen/arch/x86/mm/mem_sharing.c   |  13 +++---
 xen/arch/x86/mm/p2m.c           |  52 ++++++++++++++-------------
 xen/include/asm-x86/mem_event.h |   2 +-
 xen/arch/x86/mm/mem_sharing.c   |   2 +
 xen/arch/x86/mm/p2m.c           |   4 ++
 xen/include/public/mem_event.h  |   7 +++
 16 files changed, 154 insertions(+), 63 deletions(-)

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