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Re: Spinlocks may be broken. - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Spinlocks may be broken.
Date
Msg-id 14457.976029847@sss.pgh.pa.us
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In response to Spinlocks may be broken.  (Alfred Perlstein <bright@wintelcom.net>)
Responses Re: Spinlocks may be broken.  (Alfred Perlstein <bright@wintelcom.net>)
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Alfred Perlstein <bright@wintelcom.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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