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Re: Build failure for R3000 DECstation

To: Jun Sun <jsun@mvista.com>
Subject: Re: Build failure for R3000 DECstation
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Thu, 16 Nov 2000 14:23:41 +0100 (MET)
Cc: Harald Koerfgen <Harald.Koerfgen@home.ivm.de>, linux-mips@oss.sgi.com, Ralf Baechle <ralf@oss.sgi.com>
In-reply-to: <3A12F062.5E05CA0B@mvista.com>
Organization: Technical University of Gdansk
Reply-to: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Sender: owner-linux-mips@oss.sgi.com
On Wed, 15 Nov 2000, Jun Sun wrote:

> I gave more thoughts on this.  While your argument sounds plausible, the
> devil is in "retry" - without a lower-level atomic operation, you cannot
> "restore" the initial condition and conduct a re-try.

 You are right -- it's not that trivial, if at all possible (assuming O(1)
memory usage).

> Come up with a pseudo code to show I am wrong.

 I'm thinking -- I'll provide results if I invent something useful.

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: macro@ds2.pg.gda.pl, PGP key available        +


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