Message-ID: <4DAC8868.4090003@caviumnetworks.com>
Date: Mon, 18 Apr 2011 11:52:24 -0700
From: David Daney <ddaney@caviumnetworks.com>
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To: Kevin Cernekee <cernekee@gmail.com>
CC: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] MIPS: Replace _PAGE_READ with _PAGE_NO_READ
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On 04/18/2011 11:24 AM, Kevin Cernekee wrote:
> On Mon, Apr 18, 2011 at 10:32 AM, David Daney<ddaney@caviumnetworks.com>  wrote:
>> How much testing have you done on non-RI/XI CPUs?
>
> On a non-RIXI CPU I was able to boot the system, run a basic GUI
> application, create R/W shared mappings to /dev/mem, insert/remove
> kernel modules, run a broken program that dumps core, etc.
>
> I guess it would be a good idea to make sure swap still works.  Didn't
> try that yet.
>
> Can you think of anything else that might exercise the bits that were
> touched by the patch?  Were there any tests you ran during the
> development of RIXI support which uncovered subtle issues?
>

We run the LTP, I think it tests these things.  We also have a small 
test case that tests for both the no-read and no-execute parts, but that 
would be expected to fail on platforms that don't have RI/XI bits.

David Daney
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