[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [qemu-s390x] [Qemu-devel] [PATCH v2 5/5] s390x/cpumodel: Set up CPU

From: Halil Pasic
Subject: Re: [qemu-s390x] [Qemu-devel] [PATCH v2 5/5] s390x/cpumodel: Set up CPU model for AP device support
Date: Thu, 1 Mar 2018 16:49:48 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 03/01/2018 03:36 PM, David Hildenbrand wrote:
>> I have a concern with this proposition and with the original code:
> Very good, this is exactly what I talked to Conny about yesterday.
> Short version: CPU model is guest ABI, everything else is configuration.


> So I think for now we are fine. Later, this might be tricky to check but
> not impossible.

I think we are all in agreement on the important stuff. I think, we also all
agree, that certain things need to be improved. E.g. the KVM code
manipulating ECA.28, -cpu xxx,ap=on needs to imply no Operation Exception when
guest executes an AP instruction (this is currently not the case as
we can have a vm a vfio-ap device -- so open won't get called -- but with 

Hope Tony will address these in the next version.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]