KFunc bpf_cpumask_test_and_set_cpu

v6.3

Atomically test and set a CPU in a BPF cpumask.

Definition

cpu: The CPU being set and queried for. cpumask: The BPF cpumask being set and queried for containing a CPU.

Return: * true - cpu is set in the cpumask * false - cpu was not set in the cpumask, or cpu is invalid.

bool bpf_cpumask_test_and_set_cpu(u32 cpu, struct bpf_cpumask *cpumask)

Usage

Docs could be improved

This part of the docs is incomplete, contributions are very welcome

Program types

The following program types can make use of this kfunc:

• BPF_PROG_TYPE_LSM
• BPF_PROG_TYPE_STRUCT_OPS
• BPF_PROG_TYPE_TRACING

Example

Docs could be improved

This part of the docs is incomplete, contributions are very welcome