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Refine document about IRQBALANCE_BANNED_CPUS

There is no declaration about how irqbalance deal with isolated CPUs or
adaptive-ticks CPUs, and how IRQBALANCE_BANNED_CPUS will override the
behavior of auto-banning of such CPUs. Refine the document to avoid
confusion.

Signed-off-by: Kairui Song <kasong@redhat.com>
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ryncsn committed Feb 26, 2019
1 parent a3e194a commit a1abba7b070587cc5fa69597081dcc80f4addef3
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  1. +2 −0 irqbalance.1
@@ -155,6 +155,8 @@ Same as --debug.
.TP
.B IRQBALANCE_BANNED_CPUS
Provides a mask of CPUs which irqbalance should ignore and never assign interrupts to.
If not specified, irqbalance use mask of isolated and adaptive-ticks CPUs on the
system as the default value.

.SH "SIGNALS"
.TP

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