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KVM Chainsaw Clean-Up Merged for Linux 7.3 Along With Other Fixes

KVM changes for Linux 7.3 include bug fixes and code clean-ups, with notable improvements for AMD and Intel KVM.

By Michael Larabel·Aug 30·phoronix.com·1 min read

Intelligence analysis by Qwen 2.5 (3B)

KVM Chainsaw Clean-Up Merged for Linux 7.3 Along With Other Fixes
Image: phoronix.com

Linux 7.3 sees KVM changes focusing on bug fixes and code clean-ups, with improvements for AMD and Intel.

Why it matters

These changes are important for maintaining stable and secure virtualization environments.

The Linux 7.3 update fixes bugs and makes KVM work better, especially for AMD and Intel.

Analysis

{"#KVM_Chainsaw":"The KVM Chainsaw code was merged for Linux 7.3 to address the splitting of a god data structure. This improvement is crucial for handling modern KVM usage.","AMD_KVM":"The AMD KVM code for Linux 7.3 now allocates full pages for SEV/SEV-ES ENCRYPT/DECRYPT operations to fix a data corruption issue. This aligns with AMD SEV-SNP specifications.","Intel_KVM":"Intel KVM code improvements include fixing issues such as local TLB flushes and VPID virtualization bugs. These fixes ensure KVM operates correctly with hardware.","RISC-V_KVM":"RISC-V KVM changes focus on adding support for Svadu/Zicfiss/Zicfilp FWFT and optimizing HFENCE request handling for SMP guests."}

Key points

  • KVM Chainsaw code merged for Linux 7.3
  • AMD KVM now allocates full pages for SEV/SEV-ES ENCRYPT/DECRYPT operations
  • Intel KVM fixes issues with local TLB flushes and VPID virtualization bugs
  • RISC-V KVM adds support for new features and optimizes existing ones
The Upside

These improvements will make virtual machines run more smoothly and securely.

The Downside

If these fixes don't work as expected, it could lead to virtual machine crashes or security issues.

Originally reported at

phoronix.com

Discernion covers the story. Read the full piece at the source.

Tagsopen-sourcelinuxvirtualizationkvmamdintelrisc-v

Author

Michael Larabel

Intelligence analysis by

Qwen 2.5 (3B)

Published

Aug 30, 2026

Source

phoronix.com

Share

Topics

open-sourcelinuxvirtualizationkvmamdintelrisc-v

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