Differential D37223

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

Details

Reviewers

emaste

Group Reviewers

linuxkpi

Commits

rG51a1eac57dc0: LinuxKPI: implement cpumask_of()
rGe2361e04b02a: LinuxKPI: implement cpumask_of()

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

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

bz created this revision.Oct 31 2022, 2:39 PM

Herald added subscribers: emaste, imp. · View Herald TranscriptOct 31 2022, 2:39 PM

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

Harbormaster completed remote builds in B48104: Diff 112438.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

Harbormaster completed remote builds in B48207: Diff 112728.Nov 7 2022, 1:14 PM

emaste accepted this revision.Nov 7 2022, 3:34 PM

This revision is now accepted and ready to land.Nov 7 2022, 3:34 PM

Closed by commit rGe2361e04b02a: LinuxKPI: implement cpumask_of() (authored by bz). · Explain WhyNov 8 2022, 6:15 PM

This revision was automatically updated to reflect the committed changes.

bz added a commit: rGe2361e04b02a: LinuxKPI: implement cpumask_of().

bz added a commit: rG51a1eac57dc0: LinuxKPI: implement cpumask_of().Nov 28 2022, 5:30 PM

Revision Contents
Changeset List

Path

Size

sys/

compat/

linuxkpi/

common/

include/

linux/

cpu.h

4 lines

src/

linux_compat.c

20 lines

Diff 112781

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sys/compat/linuxkpi/common/include/linux/cpu.h