diff options
Diffstat (limited to 'src/runtime/mgc.go')
| -rw-r--r-- | src/runtime/mgc.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go index b82569bb3e..8eba5a8bc2 100644 --- a/src/runtime/mgc.go +++ b/src/runtime/mgc.go @@ -333,6 +333,12 @@ func gc(mode int) { var gcw gcWork gcDrain(&gcw) gcw.dispose() + // Despite the barrier in gcDrain, gcDrainNs may still + // be doing work at this point. This is okay because + // 1) the gcDrainNs happen on the system stack, so + // they will flush their work to the global queues + // before we can stop the world, and 2) it's fine if + // we go into mark termination with some work queued. // Begin mark termination. gctimer.cycle.markterm = nanotime() |