Open-source News

Amazon Exploring MM-Local Memory Allocations To Help With Current/Future Speculation Attacks

Phoronix - Sun, 06/23/2024 - 21:42
Back in 2019 after various speculation-based CPU vulnerabilities began coming to light, Amazon engineers proposed process-local memory allocations for hiding KVM secrets. They were striving for an alternative mitigation for vulnerabilities like L1TF by essentially providing some memory regions for kernel allocations out of view/access from other kernel code. Amazon engineers this week laid out a new proposal after five years of ongoing Linux kernel improvements for MM-local memory allocations for dealing with current and future speculation-based cross-process attacks...

Longtime Linux Wireless Developer Passes Away

Phoronix - Sun, 06/23/2024 - 18:41
The Linux kernel community has sadly lost one of its longtime, prolific contributors to the wireless (WiFi) drivers...

Rust Coreutils 0.0.27 Continues The Climb Of Better GNU Coreutils Interoperability

Phoronix - Sun, 06/23/2024 - 18:31
The uutils project has released Rust Coreutils 0.0.27 as the newest feature update to this Rust-written, drop-in replacement to the GNU Coreutils as the common set of utilities found on Linux systems and other platforms...

AMD Readies More Kernel Graphics Driver Code For Linux 6.11, Enables DCC For RDNA4

Phoronix - Sun, 06/23/2024 - 18:19
On Friday more AMDGPU/AMDKFD kernel driver changes were submitted for the upcoming Linux 6.11 cycle by way of DRM-Next. We're nearing the end of feature work to DRM-Next before the Linux 6.11 merge window begins in mid-July while this latest AMD pull request continues preparing for upcoming RDNA4 graphics hardware among other changes...

Red Hat Proposes Queue PerCPU Work "QPW" For Better Handling Per-CPU Work On RT Linux

Phoronix - Sun, 06/23/2024 - 18:00
Red Hat engineer Leonardo Bras has laid out a proposal for QPWs, or "Queue PerCPU Work", as a better means of handling per-CPU operations within the Linux kernel especially for real-time (RT) workloads...

Flathub Has Now Served More Than Two Billion Downloads For Flatpaks

Phoronix - Sun, 06/23/2024 - 09:45
Flathub as the centralized repository for serving Flatpak sandboxed Linux applications crossed the threshold this weekend of serving more than two billion downloads...

Bcachefs Making Tiny Steps Toward Full Self-Healing Capabilities

Phoronix - Sun, 06/23/2024 - 04:09
Another round of Bcachefs file-system fixes were merged today for the in-development Linux 6.10 kernel...

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