dev_map_flush_old

Name:dev_map_flush_old

Proto:static void dev_map_flush_old(struct bpf_dtab_netdev *dev)

Type:void

Parameter:

Type	Parameter	Name
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

520

for_each_online_cpu(cpu)

521

bq = per_cpu_ptr(bulkq, cpu)

522

bq_xmit_all(bq, doorbell signal consumer , false)

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**
Name	Describe
__dev_map_entry_free

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