Open-source News

Linux 5.10.5 Released - It Disables FBCON Accelerated Scrolling

Phoronix - Thu, 01/07/2021 - 09:23
Linux 5.10.5 LTS is out today with at least one rather interesting addition...

A Look At The CPU Security Mitigation Costs Three Years After Spectre/Meltdown

Phoronix - Thu, 01/07/2021 - 04:17
With this week marking three years since Spectre and Meltdown were made public in ushering in a wave of CPU security disclosures that followed and mitigations that often resulted in measurable performance hits, here is a look at how the performance costs stand today with various new and older Intel CPUs as well as AMD processors too. This article is looking at the current performance costs under Linux with the default mitigations and then the run-time disabling of the relevant mitigations for each of the processors under test while using an up-to-date Ubuntu 20.10 paired with the new Linux 5.10 LTS kernel.

AMD's "AMDVLK" Vulkan Driver Making It Easier To Switch To RADV Driver

Phoronix - Thu, 01/07/2021 - 02:52
AMD has begun staging their new open-source driver code ahead of the next AMDVLK driver release that will likely occur this week or next. With this latest AMDVLK code dump, there is easy run-time switching support between the AMDVLK and RADV Vulkan drivers...

OpenZFS 2.0.1 Released With Linux 5.10 Support, Many Fixes

Phoronix - Thu, 01/07/2021 - 02:33
Released at the end of November was the much anticipated OpenZFS 2.0 open-source ZFS file-system implementation for Linux and FreeBSD systems. Today that has been succeeded by OpenZFS 2.0.1 with support for newer Linux kernels and many bug fixes...

Fedora 34 Looks To Sign Individual Files Within RPMs

Phoronix - Wed, 01/06/2021 - 23:39
Yet another big change being eyed for Fedora 34 is to sign individual files within shipped RPM packages. The signatures will use the Linux Integrity Measurement Architecture (IMA) and in turn can be used to enforce run-time policies around only allowing the execution of trusted files...

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