Bug #47213 InnoDB mutex/rw_lock should be conscious about memory ordering other than Intel
Submitted: 9 Sep 2009 9:46 Modified: 18 Jul 2014 9:20
Reporter: Yasufumi Kinoshita Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.0, 5.1.36 + plugin 1.0.3 OS:Linux (PowerPC SMP)
Assigned to: Yasufumi Kinoshita CPU Architecture:ARM
Tags: Contribution

Contributions can be accepted to Open bugs only.

[27 May 2014 2:08] Stewart Smith 
Fix test and set/release of InnoDB mutex lock_word

(*) I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it.

Attachment: mysql-power-sync-mutex-lockword.patch (text/x-patch), 1.16 KiB.
[30 May 2014 7:11] Stewart Smith 
(very quick) port of Yasufumi patch to 5.7.4 - good enough for benchmarking!

(*) I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it.

Attachment: memory_barrier-experimental_5.7.4.diff (text/x-patch), 8.53 KiB.