[go] runtime: use new list type for spanSPMCs

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Gopher Robot (Gerrit)

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Nov 11, 2025, 4:30:00 PM (yesterday) Nov 11

to Michael Pratt, goph...@pubsubhelper.golang.org, golang-...@googlegroups.com, Go LUCI, Michael Knyszek, golang-co...@googlegroups.com

Gopher Robot submitted the change with unreviewed changes

Unreviewed changes

12 is the latest approved patch-set.
The change was submitted with unreviewed changes in the following files:

```
The name of the file: src/runtime/mgc.go
Insertions: 1, Deletions: 1.

@@ -359,7 +359,7 @@
 	}
 
 	// Restore 64-bit alignment on 32-bit.
-	_ uint32
+	// _ uint32
 
 	// bytesMarked is the number of bytes marked this cycle. This
 	// includes bytes blackened in scanned objects, noscan objects
```

Change information

Commit message:

runtime: use new list type for spanSPMCs

Now that we have a reusable list type, use it to replace the custom
linked list code for spanSPMCs.

Change-Id: I6a6a636ca54f2ba4b5c7dddba607c94ebf3c3ac8

Reviewed-on: https://go-review.googlesource.com/c/go/+/714021

Reviewed-by: Michael Knyszek <mkny...@google.com>

Auto-Submit: Michael Pratt <mpr...@google.com>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Files:

M src/runtime/mgc.go
M src/runtime/mgcmark_greenteagc.go
M src/runtime/mgcmark_nogreenteagc.go

Change size: M

Delta: 3 files changed, 15 insertions(+), 45 deletions(-)

Branch: refs/heads/master

Submit Requirements:

Code-Review: +2 by Michael Knyszek
TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI

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