Function report |
Source Code:kernel\rcu\tree.c |
Create Date:2022-07-28 10:25:41 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Exit an RCU extended quiescent state, which can be either the* idle loop or adaptive-tickless usermode execution.* We crowbar the ->dynticks_nmi_nesting field to DYNTICK_IRQ_NONIDLE to* allow for the possibility of usermode upcalls messing up our count of
Proto:static void rcu_eqs_exit(bool user)
Type:void
Parameter:
Type | Parameter | Name |
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bool | user |
738 | rdp = this_cpu_ptr( & rcu_data) |
740 | WARN_ON_ONCE(IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_RCU_EQS_DEBUG) && oldval < 0) |
741 | If oldval Then |
742 | Track process nesting level. ++ |
743 | Return |
745 | rcu_dynticks_task_exit() |
747 | rcu_cleanup_after_idle() |
750 | WRITE_ONCE(Track process nesting level. , 1) |
752 | WRITE_ONCE(Track irq/NMI nesting level. , Offset to allow distinguishing irq vs. task-based idle entry/exit. ) |
Name | Describe |
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rcu_idle_exit | _idle_exit - inform RCU that current CPU is leaving idle* Exit idle mode, in other words, -enter- the mode in which RCU* read-side critical sections can occur.* If you add or remove a call to rcu_idle_exit(), be sure to test with* CONFIG_RCU_EQS_DEBUG=y. |
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