Re: [PATCH] Add support for TAS/S_UNLOCK for aarch64 - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [PATCH] Add support for TAS/S_UNLOCK for aarch64
Date
Msg-id 3101.1370375126@sss.pgh.pa.us
Whole thread Raw
In response to Re: [PATCH] Add support for TAS/S_UNLOCK for aarch64  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
I wrote:
> Mark Salter <msalter@redhat.com> writes:
>> On Tue, 2013-06-04 at 13:40 -0400, Tom Lane wrote:
>>> We got no response to the question of whether it couldn't be merged with
>>> the existing ARM32 code block.  I'd prefer not to have essentially
>>> duplicate sections in s_lock.h if it's not necessary.

>> Of course it could be. I don't think it should be. Aarch64 is a 
>> completely new architecture with faint resemblance to 32bit arm.

> OK, fair enough.

Applied in HEAD and 9.2.  If there's demand, we could patch further
back, but we don't have aarch64 in config.guess/config.sub before 9.2,
so we'd have to change that too.  Given that aarch64 is barely past the
vaporware stage, I'm not sure there's demand to install back-rev
Postgres on it.
        regards, tom lane



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