diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/mgc.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go index 1c1248936c..20709c0b54 100644 --- a/src/runtime/mgc.go +++ b/src/runtime/mgc.go @@ -339,7 +339,7 @@ func gc(mode int) { }) } else { // For non-concurrent GC (mode != gcBackgroundMode) - // g stack have not been scanned so set gcscanvalid + // The g stacks have not been scanned so set gcscanvalid // such that mark termination scans all stacks. // No races here since we are in a STW phase. for _, gp := range allgs { @@ -381,6 +381,14 @@ func gc(mode int) { if debug.gctrace > 1 { startTime = nanotime() + // The g stacks have been scanned so + // they have gcscanvalid==true and gcworkdone==true. + // Reset these so that all stacks will be rescanned. + // No races here since we are in a STW phase. + for _, gp := range allgs { + gp.gcworkdone = false // set to true in gcphasework + gp.gcscanvalid = false // stack has not been scanned + } finishsweep_m() gcMark(startTime) gcSweep(mode) |