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LinuxKPI: implement cpumask_of()
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Authored by bz on Oct 31 2022, 2:39 PM.
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Details

Summary

Add a static set of cpumasks for all (possible) cpus with only the one
indexed cpu enabled in each set.
This is needed for cpumask_of(_cpuid) which returns a cpumask (cpuset)
with only cpu _cpuid enabled and is used by one wireless driver at least.

MFC after: 3 days

Diff Detail

Repository
rG FreeBSD src repository
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Lint Passed
Unit
No Test Coverage
Build Status
Buildable 48207
Build 45094: arc lint + arc unit

Event Timeline

bz requested review of this revision.Oct 31 2022, 2:39 PM

IMO this ought to have a brief comment somewhere explaining the pregenerated masks.

This revision is now accepted and ready to land.Oct 31 2022, 4:14 PM

Add a comment for when generating these 1-CPU masks.

This revision now requires review to proceed.Nov 7 2022, 1:13 PM
This revision is now accepted and ready to land.Nov 7 2022, 3:34 PM
This revision was automatically updated to reflect the committed changes.