c5ebcd2c8a
With the hybrid barrier, rescanning stacks is no longer necessary so the rescan list is no longer necessary. Remove it. This leaves the gcrescanstacks GODEBUG variable, since it's useful for debugging, but changes it to simply walk all of the Gs to rescan stacks rather than using the rescan list. We could also remove g.gcscanvalid, which is effectively a distributed rescan list. However, it's still useful for gcrescanstacks mode and it adds little complexity, so we'll leave it in. Fixes #17099. Updates #17503. Change-Id: I776d43f0729567335ef1bfd145b75c74de2cc7a9 Reviewed-on: https://go-review.googlesource.com/36619 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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