[SRU][Xenial][Patch v2 0/3] Follow-up fixes for CVE-2017-5715 (Spectre v2) for s390x

[Kleber Sacilotto de Souza]

Patches requested by IBM for Spectre v2.

Backports done by IBM, build-tested for s390x.

Martin Schwidefsky (3):
  s390: detect etoken facility
  s390/lib: use expoline for all bcr instructions
  UBUNTU: SAUCE: s390: use expoline thunks for all branches generated by
    the BPF JIT

 arch/s390/kernel/nospec-branch.c | 12 +++++++++++-
 arch/s390/kernel/nospec-sysfs.c  |  2 ++
 arch/s390/lib/mem.S              |  9 ++++++---
 arch/s390/net/bpf_jit_comp.c     |  9 +++++++--
 4 files changed, 26 insertions(+), 6 deletions(-)

-- 
2.17.1