linux-kernel - Re: [PATCH 1/4] MIPS: Replace _PAGE_READ with _PAGE_NO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 18 Apr 2011 11:52:24 -0700
From:	David Daney <ddaney@...iumnetworks.com>
To:	Kevin Cernekee <cernekee@...il.com>
CC:	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] MIPS: Replace _PAGE_READ with _PAGE_NO_READ

On 04/18/2011 11:24 AM, Kevin Cernekee wrote:
> On Mon, Apr 18, 2011 at 10:32 AM, David Daney<ddaney@...iumnetworks.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/