Feature/smp granular locks v4#1154

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sudeep-mohanty wants to merge 37 commits into

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sudeep-mohanty:feature/smp_granular_locks_v4

Commits on Oct 13, 2025

refactor(freertos/smp): Move critical sections inside xTaskPriorityInherit()

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feat(freertos/smp): Allow vTaskPreemptionEnable() to be nested

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feat(freertos/smp): Add granular locking port macros checks

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feat(granular_locks): Add granular locking functions

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change(freertos/smp): Update tasks.c locking

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change(freertos/smp): Update queue.c locking

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change(freertos/smp): Update event_groups.c locking

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change(freertos/smp): Update stream_buffer.c locking

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change(freertos/smp): Update timers.c locking

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feat(freertos/smp): Add Granular Locking V4 proposal documents

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feat(freertos-smp): Light Weight Preemption Disable Locks
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fix(freertos-smp): Fixed Lightweight Critical Sections for deferred state change
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fix(freertos-smp): Stop unconditional yielding in vTaskPreemptionEnable
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fix(freertos-smp): Fix yielding decisions based on preemption state of task
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fix(freertos-smp): Miscellaneous fixes for granular locks
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feat(freertos-smp): Create private function for task preemption enable
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feat(freertos-smp): Update event groups unlock to use taskDATA_GROUP_UNLOCK()
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fix(freertos-smp): Remove scheduler suspension from event_groups.c
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feat(freertos-smp): Remove xTaskUnlockCanYield() and make it inline
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remove(freertos-smp): Remove support for light-weight critical sections
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feat(freertos-smp): Added xTaskRemoveFromEventListFromISR()
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feat(freertos-smp): Reintroduce Light Weight Critical Sections
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feat(freertos-smp): Use light weight locks for preemption disable/enable
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feat(freertos-smp): Update queueUNLOCK() to receive yield status
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feat(freertos-smp): Optimize prvLockQueue() and prvUnlockQueue()
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fix(freertos-smp): Always take ISR locks in vTaskEnter/ExitCriticalFromISR
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Commits on Oct 14, 2025

Commits on Jun 5, 2026