Function report |
Source Code:kernel\rcu\tree.c |
Create Date:2022-07-28 10:25:13 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Set the special (bottom) bit of the specified CPU so that it* will take special action (such as flushing its TLB) on the* next exit from an extended quiescent state. Returns true if* the bit was successfully set, or false if the CPU was not in
Proto:bool rcu_eqs_special_set(int cpu)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
int | cpu |
347 | Do |
348 | old = atomic_read( & Even value for idle, else odd. ) |
349 | If old & RCU_DYNTICK_CTRL_CTR Then Return false |
352 | When atomic_cmpxchg( & Even value for idle, else odd. , old, new) != old cycle |
353 | Return true |
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