With this patches loading 100M initrd takes ~10s instead of ~40s without.

Changelog:
 v1->v2
   - add segment check and mask rcx/rdi correctly drying increment.

Gleb Natapov (5):
  Provide userspace IO exit completion callback.
  KVM: emulator: make x86 emulation modes enum instead of defines
  KVM: emulator: move some address manipulation function out of
    emulator code.
  KVM: emulator: move linearize() out of emulator code.
  KVM: Provide fast path for "rep ins" emulation if possible.

 arch/x86/include/asm/kvm_emulate.h |   36 +++--
 arch/x86/include/asm/kvm_host.h    |   32 ++++
 arch/x86/kvm/emulate.c             |  103 ++-----------
 arch/x86/kvm/svm.c                 |   20 ++-
 arch/x86/kvm/vmx.c                 |   25 ++-
 arch/x86/kvm/x86.c                 |  317 ++++++++++++++++++++++++++++++------
 6 files changed, 364 insertions(+), 169 deletions(-)

-- 
1.7.7.3

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