Open-source News

CentOS ISA SIG Experimenting With New x86-64 Baseline For Better Performance

Phoronix - Mon, 08/28/2023 - 23:00
The CentOS ISA special interest group (SIG) has been evaluating the performance of CentOS Stream in the event its x86_64 baseline were to be raised from x86-64-v2 to x86-64-v3. Currently CentOS Stream 9 targets x86-64-v2 but in upping the support requirements to x86-64-v3, it would allow the ability to engage AVX/AVX2 by default and make use of other newer instruction set features. The x86-64-v3 baseline roughly correlates to Intel / AMD CPUs from 2015 and newer...

AMD Dynamic Boost Control Submitted For Linux 6.6

Phoronix - Mon, 08/28/2023 - 22:09
Back in April AMD Linux engineers posted enabling a new CPU feature called Dynamic Boost Control to be found with some unspecified Ryzen SoCs for tuning the processor cores for optimal performance. The Dynamic Boost Control functionality depends upon the AMD Cryptographic Co-Processor (CCP) / Platform Security Processor (PSP) and this functionality was submitted today as part of the crypto updates for Linux 6.6...

GNU Linux-libre 6.5-gnu Released With More Kernel Deblobbing

Phoronix - Mon, 08/28/2023 - 21:01
Building off yesterday's release of Linux 6.5, GNU Linux-libre 6.5-gnu is now available for this downstream kernel maintained by the Free Software Foundation Latin America crew that removes support for binary-only kernel modules and stripping out other kernel code that depends on non-free-software microcode/firmware and other elements not deemed in the interests of pure free software...

An Automated Gentoo Linux System Updater Developed Via GSoC

Phoronix - Mon, 08/28/2023 - 18:41
Thanks to this year's Google Summer of Code (GSoC), a student developer took the initiative in working on an automated Gentoo Linux system updater to help begineers and ease the roll-out of security updates to users...

Linux 6.6 Will Avoid Unnecessary Kernel Panics On AMD Zen Systems

Phoronix - Mon, 08/28/2023 - 18:18
As part of the Reliability, Availability and Serviceability (RAS) updates submitted today for the Linux 6.6 kernel is adding a quirk/workaround for dealing with current AMD Zen systems where a processor bug could lead to erroneously increased error severity and unneeded kernel panics...

Multi-Grained Timestamps Submitted For Linux 6.6

Phoronix - Mon, 08/28/2023 - 17:54
In addition to the fchmodat2 system call, another early pull request submitted by Microsoft's Christian Brauner even before the Linux 6.5 kernel was released is one to introduce multi-grained timestamps with Linux 6.6. Multi-grained timestamps are intended to address an issue exhibited with NFS around caching and the current coarse-grained timestamp handling used for (in)validating caches...

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