Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\devmap.c Create Date:2022-07-28 13:22:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:dev_map_flush_old

Proto:static void dev_map_flush_old(struct bpf_dtab_netdev *dev)

Type:void

Parameter:

TypeParameterName
struct bpf_dtab_netdev *dev
515  If ndo_xdp_xmit Then
519  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
521  bq = per_cpu_ptr(bulkq, cpu)
524  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
Caller
NameDescribe
__dev_map_entry_free