Re: Spinlocks may be broken.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alfred Perlstein <bright(at)wintelcom(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Spinlocks may be broken.
Date: 2000-12-05 15:24:07
Message-ID: 14457.976029847@sss.pgh.pa.us
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Alfred Perlstein <bright(at)wintelcom(dot)net> writes:
> I'm pretty sure you guys need memory barrier ops.

On a machine that requires such a thing, the assembly code for UNLOCK
should include it. Want to provide a patch?

regards, tom lane

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