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Re: R4600 V1.7 errata

To: Pete Popov <ppopov@mvista.com>
Subject: Re: R4600 V1.7 errata
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 4 Feb 2004 21:04:23 +0100
Cc: Linux/MIPS Development <linux-mips@linux-mips.org>
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On Wed, Feb 04, 2004 at 07:59:49AM -0800, Pete Popov wrote:

> > [...]
> > > I assume it's safe to test it now? I'll build it for my R4600 V2.0 and
> > > report in a while. Stay tuned.
> > 
> > Works now. Thanks, guys.
> 
> The latest cache updates break the Au1x kernel. I don't know yet exactly
> what the problem is, but I tested with a snapshot before and after the
> updates.

The cache updates should specifically only affects systems that explicitly
enable the cache workaround in <asm/war.h>; for any other the compiler
should totally eleminate the workaround from the binary.

Therefore my first guess would be pg-r4k.c.

  Ralf

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