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Re: [Qemu-devel] [PATCH 0/2] ccw interpretation AR compliance improvemen

From: Halil Pasic
Subject: Re: [Qemu-devel] [PATCH 0/2] ccw interpretation AR compliance improvements
Date: Thu, 27 Jul 2017 15:52:23 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0

On 07/27/2017 03:40 PM, Cornelia Huck wrote:
> On Thu, 27 Jul 2017 15:18:01 +0200
> Halil Pasic <address@hidden> wrote:
>> [Re-posting my previous reply because I've accidentally
>> dropped almost all addresses.]
>> On 07/27/2017 10:26 AM, Cornelia Huck wrote:
>>> On Wed, 26 Jul 2017 00:44:40 +0200
>>> Halil Pasic <address@hidden> wrote:
>>>> Regarding testing: did not do much more than a simple smoke test
>>>> with virtio-ccw.  
>>> I think we need a way to throw random channel programs at a channel
>>> device...
>> By random do you mean random random, or do you mean carefully crafted
>> to provoke (and verify) certain responses. If it's more like the second
>> case I've actually wrote something (a kernel driver) for 'internal use'
>> but at the moment it's limited to indirect data access support (no test
>> cases for invalid invalid channel programs).
> That's what I've been thinking of. Standalone guest code would be even
> better (can be integrated into automatic testing), but it's certainly
> useful.
>> The 'internal guys' say it
>> probably ain't interesting for the rest of the world make this external,
>> but if you are interested I could send you the patch these days.
> Would be great if you could make this available. It is especially
> interesting for me, but possibly for other folks working on s390 as well.

It is very wip and I don't feel comfortable with sharing it
with the world yet. But I'm definitely interested in making this
available. I haven't figured out what would be the best way to make
it available, and I hope you can help me with that.

> Might be good together with an "eat this" channel device in qemu.

If course I do have a qemu counterpart.

To sum it up, one I'm done with the next iteration I'm gonna send
you with the patches unless you say otherwise.


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