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Component PJ4B_ERRATA_4742

Component Type: kbuild config

Description: PJ4B Errata 4742: IDLE Wake Up Commands can Cause the CPU Core to Cease Operation

More info: When coming out of either a Wait for Interrupt (WFI) or a Wait for Event (WFE) IDLE states, a specific timing sensitivity exists between the retiring WFI/WFE instructions and the newly issued subsequent instructions. This sensitivity can result in a CPU hang scenario. Workaround: The software must insert either a Data Synchronization Barrier (DSB) or Data Memory Barrier (DMB) command immediately after the WFI/WFE instruction

Build project: Kconfig (Linux kconfig) (Path: arch\arm\Kconfig )

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