dc42509049
During device attachment, all interrupt sources will bind to the BSP, as it is the only processor online. This means interrupts must be redistributed ("shuffled") later, during SI_SUB_SMP. For the EARLY_AP_STARTUP case, this is no longer true. SI_SUB_SMP will execute much earlier, meaning APs will be online and available before devices begin attachment, and there will therefore be nothing to shuffle. All PIC-conforming interrupt controllers will handle this early distribution properly, except for RISC-V's PLIC. Make the necessary tweak to the PLIC driver. While here, convert irq_assign_cpu from a boolean_t to a bool. Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D25693 |
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sifive |