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

[Joel Sherrill (@joel)]

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

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Joel Sherrill started a new discussion on cpukit/dhrl/dhrl.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148338

 > +/**

Add SPDX header.

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Joel Sherrill started a new discussion on cpukit/dhrl/dhrl.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148339

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

Is this applicable to non-SMP configurations?

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Joel Sherrill started a new discussion on cpukit/include/rtems/dhrl.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148340

 > +/**

Add SPDX headers.

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Joel Sherrill started a new discussion on cpukit/dhrl/dhrl.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148341

 > +
 > +  // Initialize Worker B
 > +  sc = rtems_task_create(

If you go to self-contained objects, I don't know how you would be able to set the affinity.

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Joel Sherrill started a new discussion on cpukit/dhrl/dhrl.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_148342

 > +
 > +  CPU_ZERO( &cpuset );
 > +  CPU_SET( core_b, &cpuset );

I don't remember if it was fixed or not but the scheduler with affinity support may need to be touched to add a missing scheduler operation.


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