Kernel: Mesa, Linux 5.4 and More
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Mesa Vulkan Drivers Now Tracking Game Engine/Version For Handling More Workarounds
Currently the Mesa OpenGL/Vulkan drivers have relied upon matching executable names for applying game/application-specific workarounds. But with Vulkan as part of the instance creation information and VkApplicationInfo it's possible to optionally advertise the rendering engine and version in use. The Mesa Vulkan drivers are now making use of that information to allow for more uniform workarounds.
Rather than having to match and apply workarounds to each specific game in the case of broad game engine defects, the Radeon RADV and Intel ANV drivers have introduced the infrastructure for tracking the exposed engine name and version for allowing workarounds to be applied at that higher-level rather than just each executable name.
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Intel Continues Investing In Execute-Only Memory Support For The Linux Kernel
One of the steps Intel's open-source developers continue working on for Linux is supporting "execute only memory" that will already work with some of today's processors and serve as another defense for bettering the security of systems particularly in a virtualized environment.
Ultimately they have been working on an implementation to create execute-only memory for user-space programs similar to work already done for other architectures as well as the kernel itself. This "not-readable" memory would help when paired with other precautions like address space layout randomization (ASLR) for leaking less data about the system (i.e. where different bits are in memory) to make other exploits more difficult.
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AMD Dali APU Spotted On Linux Patch, Mobile Devices Could Have Budget APU in 2020
Salvador Dali apparently is going to be the inspiration for the next generation of APUs besides the Renoir APUs that have already been discussed because we’re actually finding out in Linux drivers that there is potentially a new AMD APU class called Dali. It’s not clear what this is going to be, especially since Renoir is supposed to be Zen 2 CPU with Vega graphics. Maybe, potentially this is nice pit balling Dali is likely going to be Zen + CPU with Nova graphics and they’re just gonna complicate everything in differentiating APUs. Last week updated Linux patch appeared on Freedesktop.
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Linux 5.4 Cycle To Begin With exFAT Driver, EPYC Improvements & New GPU Support
The Linux 5.3 kernel is expected to be released as stable today and that will mark the opening of the two-week Linux 5.4 merge window. Here is a look ahead at some of the material expected to make it into this next version of the Linux kernel that will also be the last major stable release of 2019.
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This PPA Lets You Try an exFat Kernel Module Based on Samsung Code
A new PPA gives Ubuntu users the opportunity to try an alternative exFAT kernel module based on the latest Samsung code.
You may recall that, back in August, Microsoft announced it would help bring exFAT to the Linux kernel under a permissible license. This move ended years of legal uncertainty and should allow exFAT to be fully supported in the mainline Linux kernel.
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An Alternative exFAT Linux File-System Driver Based On Samsung's sdFAT
While the upcoming Linux 5.4 kernel cycle is finally bringing a driver for Microsoft exFAT file-system read/write support, it's dated on an old Samsung code drop that has seen little public work over the years. Since queued for staging-next, there has been a big uptick in clean-ups and other activity, but there also exists another alternative out-of-tree exFAT Linux driver.
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