[19.10 FEAT] zKVM: Add hardware CPU Model - kernel part

[bugproxy]

Support of additional hardware instructions improving performance in KVM environments.

Will be made available with kernel 5.2

[Frank Heimes (fheimes)]

@IBM: Please also provide the relevant commit IDs, so that we can double check once 5.2 got released. Setting to Incomplete until 5.2 landed.

[bugproxy (bugproxy)]

Upstream patches are (in reverse order from git log)

8ec2fa52eac5 KVM: s390: enable MSA9 keywrapping functions depending on cpu
model
4f45b90e1c03 KVM: s390: add deflate conversion facilty to cpu model
173aec2d5a9f KVM: s390: add enhanced sort facilty to cpu model
d668139718a9 KVM: s390: provide query function for instructions returning 32
byte
13209ad0395c KVM: s390: add MSA9 to cpumodel
d5cb6ab1e3d4 KVM: s390: add vector BCD enhancements facility to cpumodel
7832e91cd33f KVM: s390: add vector enhancements facility 2 to cpumodel

[Frank Heimes (fheimes)]

$ rmadison --arch=s390x linux-generic | grep eoan-proposed
 linux-generic | 5.2.0.8.9 | eoan-proposed | s390x
$ git tag --contains 8ec2fa52eac5
Ubuntu-5.2.0-8.9
v5.2
$ git tag --contains 4f45b90e1c03
Ubuntu-5.2.0-8.9
v5.2
$ git tag --contains 173aec2d5a9f
Ubuntu-5.2.0-8.9
v5.2
$ git tag --contains d668139718a9
Ubuntu-5.2.0-8.9
v5.2
$ git tag --contains 13209ad0395c
Ubuntu-5.2.0-8.9
v5.2
$ git tag --contains d5cb6ab1e3d4
Ubuntu-5.2.0-8.9
v5.2
$ git tag --contains 7832e91cd33f
Ubuntu-5.2.0-8.9
v5.2

Hence changing status to Fix Committed.

[bugproxy (bugproxy)]

------- Comment From <email address hidden> 2019-07-01 06:38 EDT-------

[Frank Heimes (fheimes)]

Since kernel 5.2 eventually landed in eoan's release pocket:
  linux-generic | 5.2.0.8.9 | eoan | s390
I'm changing this LP ticket to Fix Released.

[bugproxy (bugproxy)]

------- Comment From <email address hidden> 2019-07-16 06:33 EDT-------
IBM bugzilla status -> closed, Fix Released with Eoan