ACK: [SRU][Bionic][v4 0/6] Follow-up fixes for CVE-2017-5715 (Spectre v2) for s390x

[Stefan Bader]

On 05.09.2018 18:54, Khalid Elmously wrote:
> 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
> 
> Martin Schwidefsky (4):
>   s390: detect etoken facility
>   s390/lib: use expoline for all bcr instructions
>   s390: fix br_r1_trampoline for machines without exrl
>   UBUNTU: SAUCE: bpf, s390x: remove ld_abs/ld_ind
> 
>  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(-)
> 
Acked-by: Stefan Bader <stefan.bader at canonical.com>

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