Function report |
Source Code:kernel\sched\psi.c |
Create Date:2022-07-28 09:46:59 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:psi_trigger_poll
Proto:__poll_t psi_trigger_poll(void **trigger_ptr, struct file *file, poll_table *wait)
Type:__poll_t
Parameter:
Type | Parameter | Name |
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void ** | trigger_ptr | |
struct file * | file | |
poll_table * | wait |
1164 | ret = DEFAULT_POLLMASK |
1167 | If static_branch_likely( & psi_disabled) Then Return DEFAULT_POLLMASK | EPOLLERR | EPOLLPRI |
1172 | t = fetch RCU-protected pointer for dereferencing( * (void__rcu__force * * )trigger_ptr) |
1173 | If Not t Then |
1175 | Return DEFAULT_POLLMASK | EPOLLERR | EPOLLPRI |
1181 | poll_wait(file, & event_wait, wait) |
1188 | Return ret |
Name | Describe |
---|---|
psi_fop_poll |
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