[PATCH BACKPORT 3.10-3.15 0/4] MIPS: KVM: Fix MMU/TLB management issues

[James Hogan <james.hogan@xxxxxxxxxx>]

These patches backport fixes for several issues in the management of
MIPS KVM TLB faults to 3.15, and should apply back to 3.10 too.

Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: "Radim Krčmář" <rkrcmar@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: kvm@xxxxxxxxxxxxxxx
Cc: <stable@xxxxxxxxxxxxxxx>

James Hogan (4):
  MIPS: KVM: Fix mapped fault broken commpage handling
  MIPS: KVM: Add missing gfn range check
  MIPS: KVM: Fix gfn range check in kseg0 tlb faults
  MIPS: KVM: Propagate kseg0/mapped tlb fault errors

 arch/mips/kvm/kvm_mips_emul.c | 33 +++++++++++++------
 arch/mips/kvm/kvm_tlb.c       | 61 ++++++++++++++++++++++++------------
 2 files changed, 66 insertions(+), 28 deletions(-)

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