| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Noah Misch <noah(at)leadboat(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Remove last traces of HPPA support |
| Date: | 2023-10-20 19:59:42 |
| Message-ID: | 3978044.1697831982@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> In addition to the point Tom has made, I think it's also not correct that hppa
> doesn't impose a burden: hppa is the only of our architectures that doesn't
> actually support atomic operations, requiring us to have infrastructure to
> backfill atomics using spinlocks. This does preclude some uses of atomics,
> e.g. in signal handlers - I think Thomas wanted to do so for some concurrency
> primitive.
Hmm, are you saying there's more of port/atomics/ that could be
removed? What exactly? Do we really want to assume that all
future architectures will have atomic operations?
regards, tom lane
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