函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\vector.c Create Date:2022-07-27 09:27:56
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：activate_managed

函数原型：static int activate_managed(struct irq_data *irqd)

返回类型：int

参数：

类型参数名称
struct irq_data *irqd
417  dest等于irq_data_get_affinity_mask(irqd)
420  pumask_and - *dstp = *src1p & *src2p*@dstp: the cpumask result*@src1p: the first input*@src2p: the second input* If *@dstp is empty, returns 0, else returns 1
421  如果WARN_ON_ONCE(pumask_empty - *srcp == 0*@srcp: the cpumask to that all cpus < nr_cpu_ids are clear.)则
423  打印错误信息("Managed startup for irq %u, but no CPU\n", 中断号)
424  返回:负EINVAL
427  ret等于assign_managed_vector(irqd, vector_searchmask)
432  如果WARN_ON_ONCE(ret < 0)则
433  打印错误信息("Managed startup irq %u, no vector available\n", 中断号)
436  返回:ret
调用者
名称描述
x86_vector_activate