550dfc8ae1
Before STW and concurrent GC were unified, there could be either one or two root marking passes per GC cycle. There were several tasks we had to make sure happened once and only once (whether that was at the beginning of concurrent mark for concurrent GC or during mark termination for STW GC). We kept track of this in work.markrootdone. Now that STW and concurrent GC both use the concurrent marking code and we've eliminated all work done by the second root marking pass, we only ever need a single root marking pass. Hence, we can eliminate work.markrootdone and all of the code that's conditional on it. Updates #26903. Change-Id: I654a0f5e21b9322279525560a31e64b8d33b790f Reviewed-on: https://go-review.googlesource.com/c/134784 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rick Hudson <rlh@golang.org> |
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