SLES 12 SP3, released late last year, received a couple of mostly performance and security-related updates in support of IBM z14 and LinuxONE through the maintenance web updates.
In particular:
- Instruction Execution Protection
- SIMD Extensions
- STHYI Support
- Transparent activation of new hardware features: This will enable a
set of performance-oriented hardware facilities of z14 that do not require hypervisor
changes.
This includes the following facilities: