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Date: Wed, 20 Aug 2014 15:18:55 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 2/3] ioh3420: Provide a unique bus name and
 an interrupt mapping function
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To: Markus Armbruster <armbru@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>
Cc: Juan Quintela <quintela@redhat.com>, Alexey Kardashevskiy <aik@ozlabs.ru>, Marcel Apfelbaum <marcel.a@redhat.com>, Knut Omang <knut.omang@oracle.com>, qemu-devel@nongnu.org, Gonglei <arei.gonglei@huawei.com>, Igor Mammedov <imammedo@redhat.com>

Il 20/08/2014 15:03, Markus Armbruster ha scritto:
>> >
>> > This is for the root bus, I think it won't help Knut who's trying to
>> > add devices behind root ports.
> Read again, more slowly :)
> 
> Yes, I null the name of the root bus.  That makes the qdev machinery
> derive the very same "pcie.0" name via rule 3 instead of rule 1, with
> the side effect that future (non-root) PCIE buses get different names.
> In particular, the next one named via rule 3 will be called "pcie.1"
> instead of "pcie.0", making it actually accessible.

I agree that this is a big improvement.

Paolo