do_softirq()

Creator

Creator

Seonglae Cho

Created

Created

2023 Oct 18 6:44

Editor

Editor

Seonglae Cho

Edited

Edited

2023 Oct 24 16:56

Refs

Refs

Nested Interrupt

kernel/softirq.c:irq_exit()→do_softirq();

kernel/softirq.c:ksoftirqd()→do_softirq();

net/core/dev.c:netif_rx_ni()→do_softirq();

net/core/pktgen.c:pktgen_thread_worker()→do_softirq();

`__do_softirq(void)`

notion image

While block scan pending interrupts. if (pending) rescan interrupt occurred during softirq. so MAX_SOFTIRQ_RESTART specify maximum rescan trial.

`do_softirq(void)`

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