Horton

Re: [PATCH] Native spinlock support on RISC-V

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Marek Szuba <marecki@gentoo.org>, pgsql-hackers@postgresql.org
Date: 2021-08-13T17:25:05Z
Lists: pgsql-hackers 
I wrote:
> Andres Freund <andres@anarazel.de> writes:
>> Should we backpatch this? It's not like we're going to break existing
>> risc-v systems by enabling spinlock support...

> Yeah, why not?  If you were building with --disable-spinlocks before,
> this shouldn't change anything for you.
> (I haven't actually looked at the patch, mind you, but in principle
> it shouldn't break anything that worked before.)

I now have looked at the patch, and it seems good as far as it goes,
but I wonder whether some effort ought to be expended in
src/include/port/atomics/.

			regards, tom lane

Commits

  1. Add RISC-V spinlock support in s_lock.h.