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Re: Bug in memmove

To: "Gleb O. Raiko" <raiko@niisi.msk.ru>
Subject: Re: Bug in memmove
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Mon, 25 Jun 2001 14:13:31 +0200 (MET DST)
Cc: Ralf Baechle <ralf@uni-koblenz.de>, linux-mips@oss.sgi.com
In-reply-to: <3B372893.7EB21D8C@niisi.msk.ru>
Organization: Technical University of Gdansk
Sender: owner-linux-mips@oss.sgi.com
On Mon, 25 Jun 2001, Gleb O. Raiko wrote:

> Considering your patch and my investigation though, it's not
> showstopper. In fact, there are a few places that call memmove, all of
> them aren't on "common path". However, I would consider that common path
> certainly depends on the way Linux is used. I may imagine the
> configuration where the bug may trigger.

 Note that the non-optimal code gets only invoked if the areas do really
overlap.

> Perhaps, eliminating that known "horror fix" (you know) is more
> important.

 Let's just let it remain in place until working optimization is done. 

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


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