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Michael Pratt 7911f7c21d runtime: only increment extraMInUse when actually in use 
Currently lockextra always increments extraMInUse, even if the M won't
be used (or doesn't even exist), such as in addExtraM. addExtraM fails
to decrement extraMInUse, so it stays elevated forever.

Fix this bug and simplify the model by moving extraMInUse out of
lockextra to getExtraM, where we know the M will actually be used.

While we're here, remove the nilokay argument from getExtraM, which is
always false.

Fixes #60540.

Change-Id: I7a5d97456b3bc6ea1baeb06b5b2975e3b8dd96a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/499677
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
 		2023-06-01 14:05:01 +00:00
.github doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
api Revert "math: add Compare and Compare32" 2023-05-31 21:19:39 +00:00
doc doc/go1.21: document PGO GA and devirtualization 2023-06-01 13:54:10 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc misc/wasm: set PATH variable in exec 2023-05-26 17:21:14 +00:00
src runtime: only increment extraMInUse when actually in use 2023-06-01 14:05:01 +00:00
test go/types, types2: don't infer type argument for unused parameter in interfaces 2023-05-25 21:37:01 +00:00
.gitattributes
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.gitignore cmd/dist: refactor generated cgo-support logic 2023-04-20 17:26:46 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
LICENSE
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README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00
codereview.cfg
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go.env cmd/go: set default GOTOOLCHAIN in GOROOT/go.env 2023-05-23 18:06:37 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 4.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://go.dev/dl/.

After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.