Open-source News

Intel Posts New Linux Driver For "Versatile Processing Unit" Coming With 14th Gen CPUs

Phoronix - Thu, 07/28/2022 - 22:00
Intel has posted a new open-source Linux VPU driver today... Not Video Processing Unit, but it's for a Versatile Processing Unit coming with 14th Gen Core processors...

Linux 5.19 Features Many Intel & AMD Improvements, New Hardware Preparations

Phoronix - Thu, 07/28/2022 - 21:00
Linux 5.19 is set to be released this weekend, so here is a reminder about some of the big ticket items to find in this summer 2022 kernel release...

Retbleed Impact, Overall CPU Security Mitigation Cost For Intel Xeon E3 v5 Skylake

Phoronix - Thu, 07/28/2022 - 17:55
Since the disclosure of Retbleed earlier this month as the newest CPU security vulnerability around speculative execution, I've posted some Intel/AMD benchmarks looking at the mitigation cost for the affected older generations of processors. Last week I also looked at the accumulated CPU mitigation cost on AMD Zen 1. Today is a similar comparison over on the Intel Xeon E3 v5 "Skylake" side with looking at the cost of just the Retbleed mitigations and then the overall CPU mitigation cost when toggling all of the various vulnerabilities with the "mitigations=off" flag.

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