Page MenuHomeFreeBSD
Differential D22703

uma dbg: catch more corruption with atomics
ClosedPublic
Actions

Authored by rlibby on Dec 6 2019, 9:49 AM.
Tags
None
Referenced Files
F108006849: D22703.diff
Mon, Jan 20, 11:10 AM
Unknown Object (File)
Sat, Jan 11, 8:52 PM
Unknown Object (File)
Oct 3 2024, 7:04 AM
Unknown Object (File)
Oct 2 2024, 2:26 PM
Unknown Object (File)
Sep 30 2024, 10:21 PM
Unknown Object (File)
Sep 30 2024, 10:13 PM
Unknown Object (File)
Sep 30 2024, 3:31 AM
Unknown Object (File)
Sep 19 2024, 1:42 AM
View All 66 Files
Subscribers
cem
imp
kib

Details

Reviewers
jeff
markj
kib
cem
Commits
rG942951ba46ec: uma dbg: catch more corruption with atomics
Summary

Use atomic testandset and testandclear to catch concurrent double free,
and to reduce the number of atomic operations.

Submitted by: jeff

Diff Detail

Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 28002
Build 26161: arc lint + arc unit

Event Timeline

rlibby created this revision.Dec 6 2019, 9:49 AM
Harbormaster completed remote builds in B28002: Diff 65305.Dec 6 2019, 9:49 AM
kib accepted this revision.Dec 6 2019, 1:17 PM
This revision is now accepted and ready to land.Dec 6 2019, 1:17 PM
markj accepted this revision.Dec 6 2019, 3:28 PM
cem accepted this revision.Dec 6 2019, 6:06 PM
cem added a parent revision: D22702: bitset: implement BIT_TEST_CLR_ATOMIC & BIT_TEST_SET_ATOMIC.
rlibby mentioned this in D22702: bitset: implement BIT_TEST_CLR_ATOMIC & BIT_TEST_SET_ATOMIC.Dec 7 2019, 5:28 AM
rlibby mentioned this in D22963: Expand generic subword atomic primitives.Feb 5 2020, 7:24 PM
rlibby updated this revision to Diff 81397.Dec 31 2020, 12:49 AM

Rebase, over

This revision now requires review to proceed.Dec 31 2020, 12:49 AM
Herald added a subscriber: imp. · View Herald TranscriptDec 31 2020, 12:49 AM
Harbormaster completed remote builds in B35810: Diff 81397.Dec 31 2020, 12:49 AM
This revision was not accepted when it landed; it landed in state Needs Review.Dec 31 2020, 9:04 PM
Closed by commit rG942951ba46ec: uma dbg: catch more corruption with atomics (authored by rlibby). · Explain Why
This revision was automatically updated to reflect the committed changes.
rlibby added a commit: rG942951ba46ec: uma dbg: catch more corruption with atomics.

Revision Contents
Changeset List

PathSize
sys/
vm/
9 lines

Diff 65305

View Options

sys/vm/uma_core.c

Loading...