Question: Which of the following function call causes the processor to directly resume the execution of scheduler ( ) ? Which of the following function call

Which of the following function call causes the processor to directly resume the execution of scheduler()?
Which of the following function call causes the processor to directly resume the execution of scheduler()?
swtch(&cpu->scheduler, proc->context)
yield()
swtch(&proc->context, cpu->scheduler)
sched()
trap(struct trapframe *tf)

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