remove ISB in AArch64's spin_delay() implementation

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v1, Patch count: 1, First patch: +10−6, All patches: +10−6

Topic

Performance

Tags

Created

2025-05-19 22:01:23

Last modified

2025-08-01 13:41:20 (2 weeks ago)

Latest email

2025-08-17 06:19:03 (17 hours ago)

Status

PG19-2 (2025-09-01 - 2025-09-30): Waiting on Author

PG19-1 (2025-07-01 - 2025-07-31): Moved to different CF

Target version

Authors

Reviewers

Nathan Bossart (bossartn)Become reviewer

Committer

Links

Emails

Remove Instruction Synchronization Barrier in spin_delay() for ARM64 architecture: First at 2025-04-29 21:49:14 by Salvatore Dipietro <dipietro.salvatore at gmail.com>
Latest at 2025-08-17 06:19:03 by Michael Paquier <michael at paquier.xyz>
Latest attachment (v1-0001-replace-p_s_s-entry-spinlocks-with-lwlocks.patch) at 2025-08-15 17:57:52 from Nathan Bossart <nathandbossart at gmail.com>
Attachment (v1-0001-replace-p_s_s-entry-spinlocks-with-lwlocks.patch) at 2025-08-15 17:57:52 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
Attachment (0001-Remove-Instruction-Synchronization-Barrier-in-spin_d.patch) at 2025-04-29 21:49:14 from Salvatore Dipietro <dipietro.salvatore at gmail.com> (Patch: Yes)

History

When	Who	What
2025-08-01 13:41:20	Nathan Bossart (bossartn)	Moved from CF PG19-1 to CF PG19-2
2025-06-04 13:44:33	Nathan Bossart (bossartn)	New status: Waiting on Author
2025-05-19 22:01:26	Nathan Bossart (bossartn)	Added bossartn as reviewer
2025-05-19 22:01:23	Nathan Bossart (bossartn)	Attached mail thread CAGnuAhW+b3smF7jGP7ijhdoUc3w1tw462OqTyEpwJtpmjaAtwA@mail.gmail.com
2025-05-19 22:01:23	Nathan Bossart (bossartn)	Created patch record