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| author | Bryan C. Mills <bcmills@google.com> | 2019-11-07 14:09:23 +0000 |
|---|---|---|
| committer | Bryan C. Mills <bcmills@google.com> | 2019-11-07 15:04:03 +0000 |
| commit | 73d57bf80f42eda964768e1761b02ce9257638dc (patch) | |
| tree | 3ba21d66f67576c718ba4383ddc85214599a4d0f /src/sync | |
| parent | e8f01d591f9be2653bfb13c0214c4c96b64aa028 (diff) | |
| download | go-73d57bf80f42eda964768e1761b02ce9257638dc.tar.gz go-73d57bf80f42eda964768e1761b02ce9257638dc.zip | |
Revert "sync: yield to the waiter when unlocking a starving mutex"
This reverts CL 200577.
Reason for revert: broke linux-arm64-packet and solaris-amd64-oraclerel builders
Fixes #35424
Updates #33747
Change-Id: I2575fd84d37995d458183caae54704f15d8b8426
Reviewed-on: https://go-review.googlesource.com/c/go/+/205817
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/sync')
| -rw-r--r-- | src/sync/mutex.go | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/sync/mutex.go b/src/sync/mutex.go index 3028552f74..11ad20c975 100644 --- a/src/sync/mutex.go +++ b/src/sync/mutex.go @@ -216,8 +216,7 @@ func (m *Mutex) unlockSlow(new int32) { old = m.state } } else { - // Starving mode: handoff mutex ownership to the next waiter, and yield - // our time slice so that the next waiter can start to run immediately. + // Starving mode: handoff mutex ownership to the next waiter. // Note: mutexLocked is not set, the waiter will set it after wakeup. // But mutex is still considered locked if mutexStarving is set, // so new coming goroutines won't acquire it. |