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Re: [Qemu-arm] [Qemu-devel] [PATCH] hw/arm/virt: Reject gic-version=host

From: Peter Maydell
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH] hw/arm/virt: Reject gic-version=host for non-KVM
Date: Fri, 17 Jun 2016 15:49:38 +0100

On 26 May 2016 at 15:53, Peter Maydell <address@hidden> wrote:
> On 26 May 2016 at 15:46, Richard W.M. Jones <address@hidden> wrote:
>> The problem with this is if I'm using TCG fallback mode, how
>> can I specify the right gic-version?  ie:
>>   -M virt,gic-version=host,accel=kvm:tcg
>> Only qemu knows if KVM is going to be enabled.
>> The same problem happens with '-cpu host' BTW.  I really want a "make
>> it work" option, as I've said on several previous occasions on this
>> list eg:
>> https://lists.nongnu.org/archive/html/qemu-devel/2014-08/msg04173.html
> I agree that we really need to do better here (thinking about
> the problem is on my todo list but generally other more pressing
> issues intervene). I'd welcome suggestions for semantics which
> (a) do what you want (b) are reasonably in line with what we do
> on other host architectures (c) don't break existing command lines.
> (I think those are the main requirements.)

...so does anybody have any concrete suggestions? We could fix
this for 2.7 but we're starting to run low on time for that.

-- PMM

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