Open-source News

SR-IOV Will Only Be Supported On Intel Arc Pro Graphics Cards

Phoronix - Thu, 08/14/2025 - 04:36
SR-IOV for virtualization with the Intel Xe kernel graphics driver will only be supported on the Arc Pro products and -- unfortunately -- not the consumer Arc B-Series graphics cards...

Linux Preps For New "SoC Power Slider" With Upcoming Panther Lake

Phoronix - Thu, 08/14/2025 - 03:18
While it looked like Linux 6.17 was going to be a good baseline for support with upcoming Intel Panther Lake powered laptops given that this next kernel release ships with the Xe3 graphics enabled by default and other bits coming together, it looks like there is at least one late item only being presented today in patch form: a new "SoC Power Slider" feature as part of the Intel thermal driver for this new feature of Panther Lake SoCs...

Linux Lands Fix For Early 6.17 Regression Causing 37~43% Performance Hit

Phoronix - Thu, 08/14/2025 - 02:51
Back during the Linux 6.17 merge window was an optimization geared for ARM64 that could have a "16x reduction" in the number of calls. Unfortunately that commit ended up causing a rather significant regression for some systems that has now been addressed...

Google Develops KFuzzTest For Fuzzing Internal Linux Kernel Functions

Phoronix - Thu, 08/14/2025 - 01:52
Google engineers today introduced KFuzzTest as a new lightweight framework for in-kernel fuzz targets for internal kernel functions. KFuzzTest aims to make it easier to exercise Linux kernel code paths that are difficult to do from the system call boundary...

Intel ISPC 1.28 Adds Optimized Support For AMD Zen 4 & Zen 5 CPUs

Phoronix - Thu, 08/14/2025 - 01:21
A new version of the Intel Implicit SPMD Program Compiler "ISPC" was just published for supporting that C programming language variant optimized for single program. multiple data (SPMD) programming that is optimized for Intel's various hardware offerings. While catering to Intel hardware, ISPC 1.28 notably adds new AMD Zen 4 and Zen 5 processor targets...

Intel IDXD Accelerator Driver Cleaned Up For Some "Not So Happy Code Paths"

Phoronix - Wed, 08/13/2025 - 20:31
The IDXD Linux kernel driver used for the Data Streaming Accelerator (DSA) support on recent Xeon processors is being cleaned up for some "not so happy code paths" after an Intel engineer uncovered memory leaks and other troubles with the open-source driver code...

Pages