Page MenuHomeFreeBSD

umtx: Add umtxq_requeue Linux emulation layer extension.
ClosedPublic

Authored by dchagin on Jul 20 2021, 2:10 PM.
Tags
None
Referenced Files
F133303603: D31235.id92597.diff
Fri, Oct 24, 7:17 PM
Unknown Object (File)
Fri, Oct 17, 6:29 AM
Unknown Object (File)
Thu, Oct 16, 4:01 AM
Unknown Object (File)
Sun, Oct 12, 4:59 AM
Unknown Object (File)
Thu, Oct 9, 9:30 AM
Unknown Object (File)
Thu, Oct 9, 2:51 AM
Unknown Object (File)
Fri, Sep 26, 5:18 PM
Unknown Object (File)
Sep 16 2025, 11:01 PM
Subscribers

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 40605
Build 37494: arc lint + arc unit

Event Timeline

This revision is now accepted and ready to land.Jul 21 2021, 7:34 PM
sys/kern/kern_umtx.c
652

umtxq_sleep() cannot tolerate the queue hash changing like this. It will wake up with the wrong hash chain lock held.