linux-mips
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Re: Serious bug in uaccess.h

To: Fabrice Bellard <bellard@email.enst.fr>
Subject: Re: Serious bug in uaccess.h
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Tue, 27 Feb 2001 18:54:22 +0100 (MET)
Cc: linux-mips@oss.sgi.com
In-reply-to: <Pine.GSO.4.02.10102271629230.22188-100000@donjuan.enst.fr>
Organization: Technical University of Gdansk
Sender: owner-linux-mips@oss.sgi.com
On Tue, 27 Feb 2001, Fabrice Bellard wrote:

> I read the gcc docs and you are right, so it seems to be a gcc bug. I am
> using gcc 2.95.2. Which version of gcc is OK to compile a linux mips
> kernel ?

 Patched 2.95.2 should be fine; RPM packages of what I use are available
at 'ftp://ftp.ds2.pg.gda.pl/pub/macro/'. 

> BTW, the kernel would be smaller by moving all the asm around __copy_user
> in __copy_user itself. I am currently doing that. The cost is an added
> 'jr' to jump to __memcpy. Do you think it is worthwhile to do that ?

 What asm do you mean?

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


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