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| author | Andres Freund <andres@anarazel.de> | 2015-06-29 14:53:32 +0200 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2015-06-29 14:53:32 +0200 |
| commit | 07cb8b02ab4c8b65bb2e3b87ad2402fdc6cce978 (patch) | |
| tree | ce19e0ccdde4f7065524a15dfc3e7236f53e1e9f /doc/src/sgml/ref/postgres-ref.sgml | |
| parent | c5e5d444de85a7caff462443c5915544d4406a62 (diff) | |
| download | postgresql-07cb8b02ab4c8b65bb2e3b87ad2402fdc6cce978.tar.gz postgresql-07cb8b02ab4c8b65bb2e3b87ad2402fdc6cce978.zip | |
Replace ia64 S_UNLOCK compiler barrier with a full memory barrier.
_Asm_sched_fence() is just a compiler barrier, not a memory barrier. But
spinlock release on IA64 needs, at the very least, release
semantics. Use a full barrier instead.
This might be the cause for the occasional failures on buildfarm member
anole.
Discussion: 20150629101108.GB17640@alap3.anarazel.de
Diffstat (limited to 'doc/src/sgml/ref/postgres-ref.sgml')
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