qemu-devel
[Top][All Lists]
Advanced

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

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


From: David Hildenbrand
Subject: Re: [Qemu-devel] [PATCH v2 5/5] s390x/cpumodel: Set up CPU model for AP device support
Date: Tue, 27 Feb 2018 18:56:36 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2

>> Hm, do you need this twice?
> 
> In my opinion this has only value if we assume that HW and/or KVM is buggy and
> we are running host model (or it's expansion).
> 

The "sanity" checks in KVM sensing code don't really hurt. But I agree,
sane KVM should not produce this.

> And even the we would get a warning, and nothing bad would happen with a linux
> guest.
> 
> While I'm not strongly opposing this, I would not mind it dropped. If we want
> to make sure things are consistent I would prefer the consistency check being
> generating an error (instead of a warning).
> 

We use a warning as it is helpful for development (e.g. under TCG you
can enable msa5, although we yield a warning due to a failing
consistency check).

-- 

Thanks,

David / dhildenb



reply via email to

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