diff options
Diffstat (limited to 'libgo/go/runtime/mgcwork.go')
| -rw-r--r-- | libgo/go/runtime/mgcwork.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libgo/go/runtime/mgcwork.go b/libgo/go/runtime/mgcwork.go index a1b61ad..d23d640 100644 --- a/libgo/go/runtime/mgcwork.go +++ b/libgo/go/runtime/mgcwork.go @@ -177,6 +177,10 @@ func (w *gcWork) put(obj uintptr) { flushed := false wbuf := w.wbuf1 + // Record that this may acquire the wbufSpans or heap lock to + // allocate a workbuf. + lockWithRankMayAcquire(&work.wbufSpans.lock, lockRankWbufSpans) + lockWithRankMayAcquire(&mheap_.lock, lockRankMheap) if wbuf == nil { w.init() wbuf = w.wbuf1 @@ -422,6 +426,10 @@ func getempty() *workbuf { b.checkempty() } } + // Record that this may acquire the wbufSpans or heap lock to + // allocate a workbuf. + lockWithRankMayAcquire(&work.wbufSpans.lock, lockRankWbufSpans) + lockWithRankMayAcquire(&mheap_.lock, lockRankMheap) if b == nil { // Allocate more workbufs. var s *mspan |