The Many Changes Lining Up So Far For The Linux 5.1 Kernel
Written by Michael Larabel in Linux Kernel on 18 February 2019 at 07:42 AM EST. 1 Comment
LINUX KERNEL --
While Linux 5.0 isn't even out yet, there are a lot of changes building up for the Linux 5.1 cycle that have us excited.

In our close monitoring of the mailing list activity and many "-next" Git branches, here is some of what is on the table for the Linux 5.1 kernel cycle that will kick off in the weeks ahead:

- Io_uring for fast and efficient I/O that should be quite promising over the long-term.

- Better boot performance for big NUMA servers.

- Shared Virtual Memory for Nouveau with this open-source NVIDIA driver beginning to tap into the Linux kernel's Heterogeneous Memory Management (HMM) infrastructure.

- Intel has finally enabled Fastboot support by default for recent generations of graphics hardware.

- Coffeelake GVT support for Intel graphics virtualization.

- A user-space API addition to the Intel driver for working with Icelake and Intel's new VA-API media driver.

- AMDGPU DC seamless boot was merged along with various fixes and improvements.

- The Arm Komeda driver is being added to the DRM subsystem.

- Bitmain SoC support for the BM1880 and Sophon Edge developer board. This is a 64-bit ARM chip plus having a tensor platform and also a RISC-V core albeit not yet supported by the current code.

- Qualcomm FastRPC is being mainlined for offloading work from the application processor to the DSP on supported SoCs.

- Also on the Qualcomm front is mainlining its vibrator driver.

- Better AVX-512 tracking to allow for user-space to work on more optimal task placement.

- MacBook Pro keyboard/touchpad support for the latest generations of devices, albeit this might be pushed back from 5.1 as the code hasn't been staged yet.

- Improved Thunderbolt support for older Apple hardware.

- A new async driver probing option.

- Addressing more quirky hardware on the HID front, mostly various ASUS and Lenovo laptops.

- Intel WiFi support for Cyclone Peak and other new WiFi chips.

- Devlink health reporting and recovery system made it into the networking subsystem.

- The Google Chrome OS Wilco driver has now been staged in its 5.1 branch for this new embedded controller (EC) for new Chromebooks.

- Support for the Fireface UCX high-end audio solution.

- The new TEO CPU idle governor for tickless systems.

- Atomic replace support for kernel livepatching.

- The XGI display driver is being EOL'ed.

Stay tuned for more coverage of the Linux 5.1 kernel cycle once it kicks off and then the subsequent benchmarks.
About The Author
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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