KVM Virtualization Updates For Linux 5.5 Are Particularly Busy On The AMD/Intel Side
![VIRTUALIZATION](/assets/categories/virtualization.webp)
Some of the KVM changes to find with Linux 5.5 include:
- XSAVES (Save Processor Extended States Supervisor) support for AMD processors.
- Retpolines optimizations for helping with the Spectre V2 mitigation offset.
- Support for nested 5-level page tables (allowing access to more system memory).
- PMU virtualization optimizations as well as for nested PMU virtualization.
- IOAPIC optimizations.
- More tweaking around the TAA (TSX ASync Abort) code.
- Various Arm + S390 + PowerPC improvements.
The complete list of the KVM changes for Linux 5.5 can be found via the pull request.
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