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Re: [Qemu-devel] [PATCH] build: introduce target CONFIG_ variables and u

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] build: introduce target CONFIG_ variables and use them for kvm
Date: Sun, 1 Jul 2012 14:49:47 +0100

On 1 July 2012 14:37, Paolo Bonzini <address@hidden> wrote:
> Il 23/06/2012 12:30, Peter Maydell ha scritto:
>>> > Can't it go in hw/arm/kvm (mimicking the final desired place, which
>>> > will be target-arm/hw/kvm)? And hw/kvm can be moved to hw/i386/kvm, or
>>> > we can leave it there for now until we're ready to move it to
>>> > target-i386/hw/kvm.
>> Why's the final desired place target-arm/hw/kvm ? That doesn't
>> make much sense to me...
> Doesn't it have some dependency on target-arm/kvm.c?

Well, it does at the moment, but I'm not entirely sure it
should (this is on my list of things to look at). I would
expect that "insert interrupt into the KVM kernel irqchip"
should be a generic interface the same way that KVM hooks
into cpu_interrupt(), only it doesn't seem to be handled
that way for eg PPC. Having device models in hw/ make
direct calls to per-target KVM functions in target-*/kvm.c
seems like a bit of a layering violation to me.

-- PMM

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