Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\vector.c Create Date:2022-07-28 08:28:16
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:activate_managed

Proto:static int activate_managed(struct irq_data *irqd)

Type:int

Parameter:

TypeParameterName
struct irq_data *irqd
417  dest = 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  If WARN_ON_ONCE(pumask_empty - *srcp == 0*@srcp: the cpumask to that all cpus < nr_cpu_ids are clear.) Then
423  pr_err("Managed startup for irq %u, but no CPU\n", irq)
424  Return -EINVAL
427  ret = assign_managed_vector(irqd, vector_searchmask)
432  If WARN_ON_ONCE(ret < 0) Then
433  pr_err("Managed startup irq %u, no vector available\n", irq)
436  Return ret
Caller
NameDescribe
x86_vector_activate