KVM: x86: break the xAPIC barrier

This series allows userspace to create and send interrupts to VCPUs with
APIC ID > 255.

v2:
dropped "KVM: x86: use u16 for logical VCPU mask in lapic" [Paolo]
[1,5,8,9,12/13] r-b Paolo
[7,10,13/13] new [Paolo]
[2/13] do not point to out-of-scope value (return &src) [Paolo]
[3/13]
 * split from the next patch [Paolo]
 * handle all sizes of the lapic array [Paolo]
[4/13]
 * replaced size with max_apic_id to minimize chances of overflow [Andrew]
 * fixed allocation size [Paolo]
[6/13]
 * removed an obvious comment about recalculate_apic_id in state_set
 * refactor kvm_apic_state_fixup and kvm_apic_post_state_restore [Paolo]
 * reset apic id on xapic->disabled->xapic transitions [Paolo]
[11/13]
 * pass struct kvm into kvm_set_msi_irq [Paolo]
 * trace address_hi [David]
 * use hex dst, like other tracepoins
 * strict reserved MSI bits checking [Paolo]
 * loose reserved capability bits checking [Paolo]
 * improved documentation [Paolo]

v1: http://www.spinics.net/lists/kvm/msg134921.html


Radim Krčmář (13):
  KVM: x86: bump KVM_SOFT_MAX_VCPUS to 240
  KVM: x86: add kvm_apic_map_get_dest_lapic
  KVM: x86: use physical LAPIC array for logical x2APIC
  KVM: x86: dynamic kvm_apic_map
  KVM: x86: use generic function for MSI parsing
  KVM: x86: use hardware-compatible format for APIC ID register
  KVM: x86: reset APIC ID when enabling LAPIC
  KVM: VMX: optimize APIC ID read with APICv
  KVM: x86: reset lapic base in kvm_lapic_reset
  KVM: pass struct kvm to kvm_set_routing_entry
  KVM: x86: add KVM_CAP_X2APIC_API
  KVM: x86: bump MAX_VCPUS to 288
  KVM: x86: bump KVM_MAX_VCPU_ID to 1023

 Documentation/virtual/kvm/api.txt |  32 ++++
 arch/powerpc/kvm/mpic.c           |   3 +-
 arch/s390/kvm/interrupt.c         |   3 +-
 arch/x86/include/asm/kvm_host.h   |  18 +-
 arch/x86/kvm/irq_comm.c           |  44 +++--
 arch/x86/kvm/lapic.c              | 380 +++++++++++++++++++-------------------
 arch/x86/kvm/lapic.h              |  10 +-
 arch/x86/kvm/vmx.c                |   5 +-
 arch/x86/kvm/x86.c                |  17 +-
 include/linux/kvm_host.h          |   3 +-
 include/trace/events/kvm.h        |   5 +-
 include/uapi/linux/kvm.h          |   1 +
 virt/kvm/irqchip.c                |   7 +-
 13 files changed, 300 insertions(+), 228 deletions(-)

-- 
2.9.0

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