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| author | Michael Anthony Knyszek <mknyszek@google.com> | 2020-11-10 15:32:59 +0000 |
|---|---|---|
| committer | Michael Knyszek <mknyszek@google.com> | 2020-11-10 16:25:27 +0000 |
| commit | c68745b1308b7610217dce3683e2c48e04a3392c (patch) | |
| tree | 8f73910bbd51e57d6040d1080f4ae35e0eb48431 /src/runtime/lockrank.go | |
| parent | e3de852f3e776ca426d1d7af243dd698f0fee960 (diff) | |
| download | go-c68745b1308b7610217dce3683e2c48e04a3392c.tar.gz go-c68745b1308b7610217dce3683e2c48e04a3392c.zip | |
runtime: add lock rank partial order edge sweep -> mspanSpecial
This change adds a missing partial order edge. The edge captures the
case where the background sweeper handles some specials (i.e. finalizers
or memory profile sampling) and is otherwise correct.
Fixes #42472.
Change-Id: Ic45f6cc1635fd3d6bc6c91ff6f64d436088cef33
Reviewed-on: https://go-review.googlesource.com/c/go/+/268857
Trust: Michael Knyszek <mknyszek@google.com>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Diffstat (limited to 'src/runtime/lockrank.go')
| -rw-r--r-- | src/runtime/lockrank.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/lockrank.go b/src/runtime/lockrank.go index 0a52e8ed3d..5fb7f08c44 100644 --- a/src/runtime/lockrank.go +++ b/src/runtime/lockrank.go @@ -213,7 +213,7 @@ var lockPartialOrder [][]lockRank = [][]lockRank{ lockRankNotifyList: {}, lockRankTraceBuf: {lockRankSysmon, lockRankScavenge}, lockRankTraceStrings: {lockRankTraceBuf}, - lockRankMspanSpecial: {lockRankSysmon, lockRankScavenge, lockRankAssistQueue, lockRankCpuprof, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankHchan, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings}, + lockRankMspanSpecial: {lockRankSysmon, lockRankScavenge, lockRankAssistQueue, lockRankCpuprof, lockRankSweep, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankHchan, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings}, lockRankProf: {lockRankSysmon, lockRankScavenge, lockRankAssistQueue, lockRankCpuprof, lockRankSweep, lockRankSched, lockRankAllg, lockRankAllp, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings, lockRankHchan}, lockRankGcBitsArenas: {lockRankSysmon, lockRankScavenge, lockRankAssistQueue, lockRankCpuprof, lockRankSched, lockRankAllg, lockRankTimers, lockRankItab, lockRankReflectOffs, lockRankNotifyList, lockRankTraceBuf, lockRankTraceStrings, lockRankHchan}, lockRankRoot: {}, |