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Re: [Qemu-devel] [PATCH 2/2] hw/arm/virt: no ITS on older machine types

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH 2/2] hw/arm/virt: no ITS on older machine types
Date: Thu, 26 Jan 2017 10:41:28 +0000

On 26 January 2017 at 07:58, Auger Eric <address@hidden> wrote:
> On 20/01/2017 16:52, Peter Maydell wrote:
>> So this patch added a no_its flag which gets set for virt-2.7
>> and earlier, but there's no user-facing way to say "I'd like
>> a virt-2.8 board with no ITS", right? That's a bit unfortunate
>> because the ITS can't be migrated, which means there's no way
>> to ask for a post-2.7 virt board which can be migrated...
> Sorry for the delay.
> For 2.9 machine I can add a new property that would allow the user to
> deselect the ITS. Would that make sense?

Maybe, but Christoffer pointed out to me that we can't do
migration of the GICv3 yet anyway, so I was getting a bit
ahead of myself -- non-migratable ITS doesn't break something
that worked previously. So perhaps we're OK the way we are?

-- PMM

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