| commit | 475425201a735762bccbc77d00b00a799d425a9f | [log] [tgz] |
|---|---|---|
| author | Austin Clements <austin@google.com> | Thu May 18 14:35:53 2017 -0400 |
| committer | Austin Clements <austin@google.com> | Tue May 23 20:11:18 2017 +0000 |
| tree | b7d475b19e17eea188dabc32010d7dd4e13071ba | |
| parent | 8a1c5b2e486be7a2df7667582a1b8cd53c8c7745 [diff] |
runtime: fix stackCache=0 debug mode Setting stackCache to 0 to disable stack caches for debugging hasn't worked for a long time. It causes stackalloc to fall back to full span allocation, round sub-page stacks down to 0 pages, and blow up. Fix this debug mode so it disables the per-P caches, but continues to use the global stack pools for small stacks, which correctly handle sub-page stacks. While we're here, rename stackCache to stackNoCache so it acts like the rest of the stack allocator debug modes where "0" is the right default value. Fixes #17291. Change-Id: If401c41cee3448513cbd7bb2e9334a8efab257a7 Reviewed-on: https://go-review.googlesource.com/43637 Reviewed-by: Keith Randall <khr@golang.org>
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