AMD TLBI Erratum #1718 was worked around in CPU microcode for addressing a defect in certain Zen CPUs where the Translation Lookaside Buffer Invalidate Instruction use could lead to to stale translation entries. But for those on affected AMD CPUs and not running the updated microcode, a kernel workaround is being introduced with today's Linux 7.3-rc7 kernel and to be back-ported to prior kernel versions...

Microsoft is contributing a new kernel driver for the upcoming Linux 7.4 cycle. Queued up into the IOMMU subsystem's "-next" branch is a new para-virtualized IOMMU driver for benefiting Linux guest VMs running on Microsoft's Hyper-V virtualization platform...

The Linux kernel build for RISC-V doesn't currently make use of the CPU ISA's Vector extension. but leveraging it with compiler auto vectorization is showing the ability to provide nice performance results for enhancing RISC-V Linux performance...

Drgn is the open-source project out of Meta developing a very versatile debugger with the intent being a debugger focused on programmability with it striving to "make scripting as natural as possible so that debugging feels like coding." Drgn 0.3 released this weekend with the latest round of improvements...

Sent out today as part of this week's input subsystem fixes are device ID additions to the XPad driver for enabling two more gaming controllers to work nicely under Linux...