ACK: [SRU][Artful][Bionic][PATCH 0/1] KVM: s390: wire up bpb feature

[Khaled Elmously]

On 2018-02-02 17:45:45 , Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1747090
> 
> == SRU Justification ==
> Mainline commit 35b3fde6203b9 is a KVM patch for s390x to provide facility 
> bits 81 (ppa15) and 82 (bpb).  This is required for branch prediction behaviour 
> changes.      
> 
> This is the public bug for SRU.  There is also a priave bug report:
> http://bugs.launchpad.net/bugs/1743560
> 
> There is a qemu portion to this fix:
> http://patchwork.ozlabs.org/cover/862801/
> 
> This fix is also requred in Xenial, but Xenial requires a prereq commit.  The 
> Xenial SRU request will be sent separatly.
> 
> == Fix ==
> commit 35b3fde6203b932b2b1a5b53b3d8808abc9c4f60
> Author: Christian Borntraeger <borntraeger at de.ibm.com>
> Date:   Wed Jan 17 14:44:34 2018 +0100
> 
>     KVM: s390: wire up bpb feature
> 
> 
> == Regression Potential ==
> Low, this fix is limited to s390.
> 
> == Test Case ==
> A test kernel was built with this patch and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> Christian Borntraeger (1):
>   KVM: s390: wire up bpb feature
> 
>  arch/s390/include/asm/kvm_host.h |  3 ++-
>  arch/s390/include/uapi/asm/kvm.h |  5 ++++-
>  arch/s390/kvm/kvm-s390.c         | 12 ++++++++++++
>  arch/s390/kvm/vsie.c             | 10 ++++++++++
>  include/uapi/linux/kvm.h         |  1 +
>  5 files changed, 29 insertions(+), 2 deletions(-)
> 
Acked-by: Khalid Elmously <khalid.elmously at canonical.com>