Re: Erroneous PPC spinlock code

Reinhard Max <max@suse.de>

From: Reinhard Max <max@suse.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter_e@gmx.net>, PostgreSQL Development <pgsql-hackers@postgresql.org>, Marcus Meissner <meissner@suse.de>
Date: 2003-11-05T23:08:56Z
Lists: pgsql-hackers
On Wed, 5 Nov 2003 at 13:28, Tom Lane wrote:

> Peter Eisentraut <peter_e@gmx.net> writes:
>
> > The SuSE PPC guru said that the PPC spinlock code we currently use
> > may behave erroneously on multiprocessor systems.
>
> What's his evidence for that claim?

Let's ask himself.

> The code we have is based directly on the recommendations in the PPC
> manuals, and has been tested on multi-CPU systems.

Marcus, can you explain the details, please?


cu
	Reinhard