[SRU][Bionic][v3 0/6] Follow-up fixes for CVE-2017-5715 (Spectre v2) for s390x

[Khalid Elmously]

Patches requested by IBM for Spectre v2.

Build-tested for s390x

Christian Borntraeger (2):
  KVM: s390: implement CPU model only facilities
  KVM: s390: add etoken support for guests

Khalid Elmously (1):
  UBUNTU: SAUCE: bpf, s390x: remove ld_abs/ld_ind

Martin Schwidefsky (3):
  s390: detect etoken facility
  s390/lib: use expoline for all bcr instructions
  s390: fix br_r1_trampoline for machines without exrl

 arch/s390/include/asm/kvm_host.h |  1 +
 arch/s390/include/uapi/asm/kvm.h |  5 ++-
 arch/s390/kernel/nospec-branch.c | 12 ++++++-
 arch/s390/kernel/nospec-sysfs.c  |  2 ++
 arch/s390/kvm/kvm-s390.c         | 61 +++++++++++++++++++++-----------
 arch/s390/kvm/kvm-s390.h         |  2 --
 arch/s390/kvm/vsie.c             |  9 +++--
 arch/s390/lib/mem.S              | 16 +++++----
 arch/s390/net/bpf_jit_comp.c     | 11 +++---
 arch/s390/tools/gen_facilities.c | 23 +++++++++++-
 10 files changed, 104 insertions(+), 38 deletions(-)

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2.17.1