From: | Alfred Perlstein <bright(at)wintelcom(dot)net> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Spinlocks may be broken. |
Date: | 2000-12-05 15:26:32 |
Message-ID: | 20001205072631.W8051@fw.wintelcom.net |
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Thread: | |
Lists: | pgsql-hackers |
* Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> [001205 07:24] wrote:
> 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?
My assembler is extremely rusty, you can probably find such code
in the NetBSD or Linux kernel for all the archs you want to do.
I wouldn't feel confident providing a patch, all I have is x86
hardware.
--
-Alfred Perlstein - [bright(at)wintelcom(dot)net|alfred(at)freebsd(dot)org]
"I have the heart of a child; I keep it in a jar on my desk."
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