85c22bc3a5
The hybrid barrier requires allocate-black, but there's one case where we don't currently allocate black: the tiny allocator. If we allocate a *new* tiny alloc block during GC, it will be allocated black, but if we allocated the current block before GC, it won't be black, and the further allocations from it won't mark it, which means we may free a reachable tiny block during sweeping. Fix this by passing over all mcaches at the beginning of mark, while the world is still stopped, and greying their tiny blocks. Updates #17503. Change-Id: I04d4df7cc2f553f8f7b1e4cb0b52e2946588111a Reviewed-on: https://go-review.googlesource.com/31456 Reviewed-by: Rick Hudson <rlh@golang.org> |
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README.md
The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
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.
Go is the work of hundreds of contributors. We appreciate your help!
To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
Note that we do not accept pull requests and that we use the issue tracker for bug reports and proposals only. Please ask questions on https://forum.golangbridge.org or https://groups.google.com/forum/#!forum/golang-nuts.
Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
--
Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.