APPLIED: [SRU][B][D][Patch 0/9] zKVM: Add hardware CPU Model - kernel part (LP: 1836153)

[Kleber Souza]

On 7/16/19 8:54 AM, frank.heimes at canonical.com wrote:
> Buglink: https://bugs.launchpad.net/bugs/1836153
> 
> SRU Justification:
> 
> [Impact]
> 
> * New hardware is not supported by qemu and won't run run, due to missing hardware CPU model
> 
> [Fix]
> 
> * 11ba5961a2156a4f210627ed8421387e2531b100 11ba596 "KVM: s390: add debug logging for cpu model subfunctions"
> 
> * 346fa2f891c71a9b98014f8f62c15f4c7dd95ec1 346fa2f "KVM: s390: implement subfunction processor calls"
> 
> * 7832e91cd33f21f3cf82b003478c292915a1ec14 7832e91 "KVM: s390: add vector enhancements facility 2 to cpumodel"
> 
> * d5cb6ab1e3d4d7e0648a167f6290e89f6e86964e d5cb6ab "KVM: s390: add vector BCD enhancements facility to cpumodel"
> 
> * 13209ad0395c4de7fa48108b1dac72e341d5c089 13209ad "KVM: s390: add MSA9 to cpumodel"
> 
> * d668139718a9e2260702777bd8d86d71c30b6539 d668139 "KVM: s390: provide query function for instructions returning 32 byte"
> 
> * 173aec2d5a9fa5f40e462661a8283fcafe04764f 173aec2 "KVM: s390: add enhanced sort facilty to cpu model"
> 
> * 4f45b90e1c03466202fca7f62eaf32243f220830 4f45b90 "KVM: s390: add deflate conversion facilty to cpu model"
> 
> * 8ec2fa52eac53bff7ef1cedbc4ad8af650ec937c 8ec2fa5 "KVM: s390: enable MSA9 keywrapping functions depending on cpu model"
> 
> [Test Case]
> 
> * need to be tested by IBM on pre-rel. hardware or simulator
> 
> [Regression Potential] 
> 
> * The regression potential can be considered as low since these changes are limited to arch/s390
> 
> * changes are in support for new and upcoming hardware and shouldn't affect existing s390x systems
> 
> [Other Info]
> 
> * the first 2 commits are the key ones, the other 7 are needed to make them applly cleanly
> 
> * these patches are already all included in upstream kernel 5.2, hence they are in eoan's kernel 5.2
> 
> * qemu package SRU in LP 1836154 complements this SRU - for testing both need to be in place
> 
> * commit IDs applied cleanly with 'cherry-picks --strategy=recursive -X theirs' - checked that no patches on top were pulled in
> 
> Christian Borntraeger (9):
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
>   From: Christian Borntraeger <borntraeger at de.ibm.com>
> 
>  Documentation/virtual/kvm/devices/vm.txt |   3 +-
>  arch/s390/include/asm/cpacf.h            |   1 +
>  arch/s390/include/asm/kvm_host.h         |   2 +
>  arch/s390/include/uapi/asm/kvm.h         |   5 +-
>  arch/s390/kvm/kvm-s390.c                 | 271 +++++++++++++++++++++++++++++--
>  arch/s390/kvm/vsie.c                     |   5 +-
>  arch/s390/tools/gen_facilities.c         |   3 +
>  tools/arch/s390/include/uapi/asm/kvm.h   |   3 +-
>  8 files changed, 275 insertions(+), 18 deletions(-)
> 

Applied to bionic and disco master-next branches.

Thanks,
Kleber