commit | 6ad33be2d9d6b24aa741b3007a4bcd52db222c41 | [log] [tgz] |
---|---|---|
author | Srdjan Petrovic <spetrovic@google.com> | Thu Apr 16 14:32:18 2015 -0700 |
committer | David Crawshaw <crawshaw@golang.org> | Fri Apr 24 16:53:26 2015 +0000 |
tree | 904764e1cb4fcf37f7bd4022c43eae35d45b6bfb | |
parent | 8566979972d51236c37b2823d2c0d52c6efe5406 [diff] |
runtime: implement xadduintptr and update system mstats using it The motivation is that sysAlloc/Free() currently aren't safe to be called without a valid G, because arm's xadd64() uses locks that require a valid G. The solution here was proposed by Dmitry Vyukov: use xadduintptr() instead of xadd64(), until arm can support xadd64 on all of its architectures (not a trivial task for arm). Change-Id: I250252079357ea2e4360e1235958b1c22051498f Reviewed-on: https://go-review.googlesource.com/9002 Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
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