riscv: use the common sub-word {,f}cmpset implementation
ClosedPublic
Actions

Authored by kevans on Oct 3 2019, 7:25 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Sun, Feb 8, 11:40 AM

	Unknown Object (File)
	Sat, Feb 7, 6:09 PM

	Unknown Object (File)
	Sat, Jan 31, 10:25 AM

	Unknown Object (File)
	Dec 31 2025, 9:51 AM

	Unknown Object (File)
	Dec 17 2025, 12:39 PM

	Unknown Object (File)
	Nov 28 2025, 8:40 AM

	Unknown Object (File)
	Nov 24 2025, 1:14 PM

	Unknown Object (File)
	Nov 21 2025, 6:12 PM

View All 93 Files

Subscribers

imp

Details

Reviewers

mhorne
markj

Commits

rS353131: riscv: use the common sub-word {,f}cmpset implementation

Summary

(For now? I do not know if riscv includes necessary instructions to do sub-word atomics)

Diff Detail

Repository

rS FreeBSD src repository - subversion

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

kevans created this revision.Oct 3 2019, 7:25 PM

Herald added a subscriber: imp. · View Herald TranscriptOct 3 2019, 7:25 PM

Harbormaster completed remote builds in B26851: Diff 62880.Oct 3 2019, 7:25 PM

Looks good to me. There are no sub-word atomic instructions for RISC-V.

This revision is now accepted and ready to land.Oct 4 2019, 2:35 AM

Closed by commit rS353131: riscv: use the common sub-word {,f}cmpset implementation (authored by kevans). · Explain WhyOct 6 2019, 1:35 AM

This revision was automatically updated to reflect the committed changes.

kevans added a commit: rS353131: riscv: use the common sub-word {,f}cmpset implementation.

Revision Contents
Changeset List

Path

Size

head/

sys/

riscv/

include/

atomic.h

154 lines

Diff 62950

View Options

head/sys/riscv/include/atomic.h

riscv: use the common sub-word {,f}cmpset implementationClosedPublicActions