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Linux: Encryption, AMDVLK and Intel DRM Driver

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Linux
  • diff -u: Adding Encryption To printk()

    A patch from Dan Aloni recently came in to create the option to encrypt printk() output. This would make all dmesg information completely inaccessible to users, including hostile attackers. His idea was that the less information available to hostile users, the better.

    The problem with this, as Steven Rostedt pointed out, was that it was essentially just a way for device makers and Linux distributions to shut out users from meaningfully understanding what their systems were doing. On the other hand, Steven said, he wouldn't be opposed to including an option like that if a device maker or Linux distribution actually would find it legitimately useful.

  • AMDVLK Driver Updated With New Extension, Better Geometry Shader Support

    The AMD developers working on their official, cross-platform Vulkan driver have carried out another weekly update to their AMDVLK public source tree.

    This week the updates to the AMDVLK open-source driver are fairly interesting. First up there is now VK_EXT_external_memory_host support. Coincidentally, this week RADV also wired in this extension. EXT_external_memory_host is used for importing host allocations and host-mapped foreign device memory to become Vulkan memory objects.

  • Selectable Platform Support Proposed Again For Intel's DRM Driver

    It seems like every few years or so comes a patch series proposing to allow the Intel DRM driver to limit its platform support in the name of saving a few bytes from the kernel build. This week the latest "selectable platform support" patches are out there.

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