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The irqmask define the environment variable IRQBALANCE_BANNED_CPUS. It sould ignore some CPU and never assign interrupts (more details here, the irqbalance manual). This variable is a mask where the first CPU is the least signifiant bit and specified CPUs in cpusystem should be set to 0. The workqueuemask is his negation and it's used to configure the kernel.
Example:
| Variable | cpusystem | irqbalance | workqueuemask |
|---|---|---|---|
| Value | 0,12 | ffeffe | 1001 |
Kernel configuration
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