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| author | 徐志强 <shore.cloud@gmail.com> | 2019-12-11 05:51:33 +0000 |
|---|---|---|
| committer | Brad Fitzpatrick <bradfitz@golang.org> | 2020-05-07 04:59:13 +0000 |
| commit | 85162292af601a1bebb8ec3d63314e39b648829f (patch) | |
| tree | fb8fdeabecffbace6ac83437ef7ad3ba8467333e /src | |
| parent | 9e8157805fed930c292d5593aab3016ce6d9c8ed (diff) | |
| download | go-85162292af601a1bebb8ec3d63314e39b648829f.tar.xz | |
runtime: call osyield directly in lockextra
The `yield := osyield` line doesn't serve any purpose, it's committed in `2015`, time to delete that line:)
Change-Id: I382d4d32cf320f054f011f3b6684c868cbcb0ff2
GitHub-Last-Rev: 7a0aa25e555edd901add25a1101e7b145d1f3bd8
GitHub-Pull-Request: golang/go#36078
Reviewed-on: https://go-review.googlesource.com/c/go/+/210837
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/proc.go | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/runtime/proc.go b/src/runtime/proc.go index bd114496b2..fe7da0bc87 100644 --- a/src/runtime/proc.go +++ b/src/runtime/proc.go @@ -1691,8 +1691,7 @@ func lockextra(nilokay bool) *m { for { old := atomic.Loaduintptr(&extram) if old == locked { - yield := osyield - yield() + osyield() continue } if old == 0 && !nilokay { @@ -1709,8 +1708,7 @@ func lockextra(nilokay bool) *m { if atomic.Casuintptr(&extram, old, locked) { return (*m)(unsafe.Pointer(old)) } - yield := osyield - yield() + osyield() continue } } |