RTEMS | Draft: cpukit: Create DHRL Library for DRAM Latency Mitigation (!1193)

Wayne Thornton (@wmthornton-dev) gitlab at rtems.org
Fri Apr 10 13:57:39 UTC 2026



Merge request https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193 was reviewed by Wayne Thornton

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Wayne Thornton commented on a discussion on cpukit/dhrl/dhrl.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148379

 > +  }
 > +
 > +  CPU_ZERO( &cpuset );

No. This library requires an SMP-capable BSP and the --with-rtems-smp flag must be passed during the compilation of the BSP. Additionally, RTEMS_DHRL = True must be present in the config.ini file for the library to compile. I am considering the best way to add a flag for that during compilation.

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Wayne Thornton commented on a discussion on cpukit/include/rtems/dhrl.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148380

 > +/**

SPDX headers have been added.

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Wayne Thornton commented on a discussion on cpukit/dhrl/dhrl.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148381

 > +/**

SPDX headers have been added.


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View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193
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