KVM: xinterface

(Applies to kvm.git/master:083e9e10)

For details, please read the patch headers.

[ Changelog:

     v2:
	*) We now re-use the vmfd as the binding token, instead of creating
           a new separate namespace
	*) Added support for switch_to(mm), which is much faster
	*) Added support for memslot-cache for exploiting slot locality
	*) Added support for scatter-gather access
	*) Added support for xioevent interface

      v1:
        *) Initial release
]

This series is included in upstream AlacrityVM and is well tested and
known to work properly.  Comments?

Kind Regards,
-Greg

---

Gregory Haskins (4):
      KVM: add scatterlist support to xinterface
      KVM: add io services to xinterface
      KVM: introduce "xinterface" API for external interaction with guests
      mm: export use_mm() and unuse_mm() to modules


 arch/x86/kvm/Makefile          |    2 
 include/linux/kvm_host.h       |    3 
 include/linux/kvm_xinterface.h |  165 +++++++++++
 kernel/fork.c                  |    1 
 mm/mmu_context.c               |    3 
 virt/kvm/kvm_main.c            |   24 ++
 virt/kvm/xinterface.c          |  587 ++++++++++++++++++++++++++++++++++++++++
 7 files changed, 784 insertions(+), 1 deletions(-)
 create mode 100644 include/linux/kvm_xinterface.h
 create mode 100644 virt/kvm/xinterface.c

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