Function report |
Source Code:kernel\rcu\tree.c |
Create Date:2022-07-28 10:26:26 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Record a quiescent state for the specified CPU to that CPU's rcu_data* structure. This must be called from the specified CPU.
Proto:static void rcu_report_qs_rdp(int cpu, struct rcu_data *rdp)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
int | cpu | |
struct rcu_data * | rdp |
1973 | bool needwake = false |
1974 | offloaded = IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_RCU_NOCB_CPU) && Is the specified rcu_segcblist offloaded? |
1978 | rnp = This CPU's leaf of hierarchy |
1980 | If norm || Track rsp->rcu_gp_seq counter. != Track rsp->rcu_gp_seq. || Possible ->gp_seq wrap. Then |
1994 | If (CPUs or groups that need to switch in & mask) == 0 Then |
1996 | Else |
2001 | If Not offloaded Then needwake = If there is room, assign a ->gp_seq number to any callbacks on this* CPU that have not already been assigned |
2007 | If needwake Then Awaken the grace-period kthread |
Name | Describe |
---|---|
rcu_check_quiescent_state | Check to see if there is a new grace period of which this CPU* is not yet aware, and if so, set up local rcu_data state for it.* Otherwise, see if this CPU has just passed through its first |
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