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Linux Fixing A "Hilarious/Revolting Performance Regression" Around Intel KVM Virtualization

news.movim.eu / Phoronix • 15 December, 2024

It's not too often that "fixes" to the Kernel-based Virtual Machine (KVM) are noteworthy but today is an interesting exception with among the KVM fixes sent in today ahead of the Linux 6.13-rc3 tagging is for beginning to deal with a "hilarious/revolting" performance regression affecting recent generations of Intel processors. This performance regression won't be fully worked around until Linux 6.14 but at least there is an interim step in place once the code is merged later today...

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Xfce 4.20 Desktop Released With Wayland Improvements & New Features

news.movim.eu / Phoronix • 15 December, 2024

After roughly two years of development the Xfce 4.20 lightweight desktop has been released ahead of the year end holidays...

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Btrfs Working On RAID1 Round-Robin Read Balancing

news.movim.eu / Phoronix • 15 December, 2024

It's been a while since there has been anything new to report on the Btrfs file-system's built-in RAID functionality but that is changing with RAID1 round-robin read balancing...

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Linux 6.14 To Add Sensor Monitoring For A ~$180 ASRock AM5 Motherboard

news.movim.eu / Phoronix • 15 December, 2024

In addition to Linux 6.14 set to add sensor monitoring support for the ASUS TUF GAMING X670E PLUS, another lower-cost AMD AM5 motherboard is also set to see sensor monitoring support with this next version of the Linux kernel...

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Linux 6.6.66 LTS Kernel Released With New Hardware Support & Many Fixes

news.movim.eu / Phoronix • 14 December, 2024

Linux 6.6.66 was released today alongside other updated Long Term Support (LTS) kernel versions...

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Some Qualcomm CPUs Left Exposed To Spectre Vulnerabilities On Mainline Linux

news.movim.eu / Phoronix • 14 December, 2024

Some Qualcomm processors/SoCs on the mainline Linux kernel are left vulnerable to Spectre security issues since Qualcomm hasn't upstreamed patches for properly treating affected CPU cores to their relevant mitigations. But a new patch series from a Google engineer is working to get those Qualcomm CPU security mitigations in order...

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Intel P-State Energy Aware Scheduling Patches Updated For Lunar Lake

news.movim.eu / Phoronix • 14 December, 2024

As covered last month on Phoronix, Intel has been experimenting with Energy Aware Scheduling (EAS) for the Intel P-State driver with a goal of enhancing the power efficiency of Core Ultra "Lunar Lake" processors. Recently a second iteration of that work was posted for review ahead of possible inclusion in a future version of the Linux kernel...

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Mesa 25.0 Introduces Standard Library For Driver OpenCL C

news.movim.eu / Phoronix • 14 December, 2024

An interesting addition to Mesa 25.0 this week is Alyssa Rosenzweig adding a standard library for the driver OpenCL C code, including the initial abbility to support assert() on device and other standard C constructs for the OpenCL C code...

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NTSYNC Linux Driver Updated With API Design Improvements

news.movim.eu / Phoronix • 14 December, 2024

After some six months of silence, this past week the NTSYNC LInux kernel driver patches were revived for completing this open-source driver to better match the Windows NT synchronization primitives to help with Wine / Proton (Steam Play) Windows gaming performance on Linux. Following those "v6" patches posted a few days ago, on Friday evening a seventh iteration of the patches were volleyed to offer up some API design improvements for this NTSYNC driver...