From: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Date: Thu, 25 Aug 2022 04:25:32 +0000 (+0700)
Subject: runtime: remove gcCPULimiterState padding for atomic fields alignment
X-Git-Tag: go1.20rc1~1389
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=a52f4952cbc03538cacea78a663ac5bf61af165e;p=gostls13.git

runtime: remove gcCPULimiterState padding for atomic fields alignment

assistTimePool and lastUpdate are now atomic.Int64, so they are
guaranteed to have 64-bit alignment, even on 32-bit platforms.

Change-Id: Ib6062a47c3a92d46d43899e1ae9d119e7f5b8bb0
Reviewed-on: https://go-review.googlesource.com/c/go/+/425460
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
---

diff --git a/src/runtime/mgclimit.go b/src/runtime/mgclimit.go
index 485a59bdf7..b6fbcb14cf 100644
--- a/src/runtime/mgclimit.go
+++ b/src/runtime/mgclimit.go
@@ -55,8 +55,6 @@ type gcCPULimiterState struct {
 	// the mark and sweep phases.
 	transitioning bool
 
-	_ uint32 // Align assistTimePool and lastUpdate on 32-bit platforms.
-
 	// assistTimePool is the accumulated assist time since the last update.
 	assistTimePool atomic.Int64