| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, Noah Misch <noah(at)leadboat(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: AIX support - alignment issues |
| Date: | 2022-07-04 00:47:21 |
| Message-ID: | 1420389.1656895641@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2022-07-03 20:08:19 -0400, Tom Lane wrote:
>> I do still feel that HPPA is of interest, to keep us honest
>> about spinlock support
> I.e. forgetting to initialize them? Or the weird alignment stuff it has?
The nonzero initialization mainly, and to a lesser extent the weird
size of a lock. I think the fact that the active word is only part
of the lock struct is pretty well encapsulated.
> I'd started to work a patch to detect missing initialization for both
> spinlocks and lwlocks, I think that'd be good to have for more common cases.
No objection to having more than one check for this ;-)
regards, tom lane
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