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LWN.net

Racing karts on a Rust GPU kernel driver (Collabora blog)

In July, Collabora announced the Rust-based Tyr GPU driver for Arm Mali GPUs. Daniel Almeida has posted an update on progress with a prototype of the driver running on a Rock 5B board with the Rockchip RK3588 system-on-chip: The Tyr prototype has progressed from basic GPU job execution to running GNOME, Weston, and full-screen 3D games like SuperTuxKart, demonstrating a functional, high-performance Rust driver that matches C-driver performance and paves the way for eventual upstream integration! [...] Tyr is not ready to be used as a daily-driver, and it will still take time to replicate this upstream, although it is now clear that we will surely get there. And as a mere prototype, it has a lot of shortcuts that we would not have in an upstream version, even though it can run on top of an unmodified (i.e., upstream) version of Mesa. That said, this prototype can serve as an experimental driver and as a testbed for all the Rust abstraction work taking place upstream. It will let us expe

Phoronix

Canonical Gets Flutter Up And Running On RISC-V For Ubuntu

Canonical has been bullish on RISC-V with Ubuntu being one of the most common Linux distributions endorsed by RISC-V board vendors. Canonical also has been bullish on the Flutter toolkit for crafting their desktop installer UI and other modern UI/app interfaces. But these two together haven't panned out with Flutter not currently supporting RISC-V. Canonical has submitted pull requests now for enabling RISC-V support with Flutter...

LWN.net

[$] BPF and io_uring, two different ways

BPF allows programs uploaded from user space to be run, safely, within the kernel. The io_uring subsystem, too, can be thought of as a way of loading programs in the kernel, though the programs in question are mostly a sequence of I/O-related system calls. It has sometimes seemed inevitable that io_uring would, like many other parts of the kernel, gain BPF capabilities as a way of providing more flexibility to user space. That has not yet happened, but there are currently two patches sets under consideration that take different approaches to the problem.

LWN.net

Security updates for Thursday

Security updates have been issued by AlmaLinux (bind, bind9.18, container-tools:rhel8, expat, grub2, haproxy, idm:DL1, kernel, kernel-rt, lasso, libsoup, libssh, libtiff, pcs, podman, python-kdcproxy, qt5-qt3d, redis, redis:7, runc, shadow-utils, sqlite, squid, vim, webkit2gtk3, xorg-x11-server, xorg-x11-server-Xwayland, and zziplib), Debian (chromium), Oracle (lasso and postgresql), SUSE (erlang27, ghostscript, grub2, kernel, libIex-3_4-33, python312, and sbctl), and Ubuntu (linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp, linux-aws-6.8, linux-fips, linux-aws-fips, linux-gcp-fips, linux-oracle, and mysql-8.0, mysql-8.4).

Phoronix

Updated Steam Runtime Switches To Debian 13 Libraries, SDL2 Using Compatibility Layer

An updated version of the Steam Linux Runtime 4 branch was rolled out that has now shifted from Debian 11 to Debian 13 libraries for some significant upgrades. In the process more libraries have gone x86_64 only in foregoing the i386 builds. In addition, the SDL 2 library support for the Steam Runtime is now provided by sdl2-compat as the compatibility layer for SDL2 atop SDL3...