Yocto has supported a PREEMPT_RT kernel as long as I can remember. There are recipes for linux-yocto-rt for the kernel itself, and a core-image-rt image recipe right in poky.
It's also pretty straightforward to use a different kernel recipe, such as one from a vendor, and apply the PREEMPT_RT patches in a .bbappend, provided the recipe version lines up with the patches. Thanks, Sent with [ProtonMail](https://protonmail.com) Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Wednesday, May 19, 2021 3:51 AM, Monsees, Steven C (US) via lists.yoctoproject.org <[email protected]> wrote: > Recently I heard somewhere that newer versions of the Linux Kernel will > include the PREEMPT_RT patches, and configuration settings would be used to > set how the Linux would operate in a specific system. > > Does Yocto support “PREEMPT_RT”, and what versions of Yocto have this option ? > > Is there documentation on this feature/option ? > > Thanks, > > Steve
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