Function report |
Source Code:arch\x86\include\asm\preempt.h |
Create Date:2022-07-28 05:35:15 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:We fold the NEED_RESCHED bit into the preempt count such that* preempt_enable() can decrement and test for needing to reschedule with a* single instruction.* We invert the actual bit, so that when the decrement hits 0 we know we both
Proto:static __always_inline void set_preempt_need_resched(void)
Type:void
Parameter:Nothing
Name | Describe |
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resched_curr | sched_curr - mark rq's current task 'to be rescheduled now'.* On UP this means the setting of the need_resched flag, on SMP it* might also involve a cross-CPU call to trigger the scheduler on* the target CPU. |
rcu_sched_clock_irq | This function is invoked from each scheduling-clock interrupt,* and checks to see if this CPU is in a non-context-switch quiescent* state, for example, user mode or idle loop. It also schedules RCU* core processing |
rcu_core | Perform RCU core processing work for the current CPU. |
rcu_sched_clock_irq | Check to see if the scheduling-clock interrupt came from an extended* quiescent state, and, if so, tell RCU about it. This function must* be called from hardirq context. It is normally called from the* scheduling-clock interrupt. |
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