From: Scott Wood <scottwood@freescale.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Chris Wright <chrisw@redhat.com>,
kvm@vger.kernel.org, qemu-devel@nongnu.org,
Markus Armbruster <armbru@redhat.com>,
Blue Swirl <blauwirbel@gmail.com>
Subject: Re: [Qemu-devel] KVM call minutes for Feb 8
Date: Thu, 10 Feb 2011 13:29:52 -0600 [thread overview]
Message-ID: <20110210132952.4531bb71@udp111988uds> (raw)
In-Reply-To: <AANLkTimOaOQOAYRs29wiYvZHcCrZdDGxhhawpb+zT6k4@mail.gmail.com>
On Thu, 10 Feb 2011 19:22:38 +0000
Peter Maydell <peter.maydell@linaro.org> wrote:
> On 10 February 2011 19:17, Scott Wood <scottwood@freescale.com> wrote:
> > On Thu, 10 Feb 2011 08:16:15 +0000
> > Peter Maydell <peter.maydell@linaro.org> wrote:
> >> On 10 February 2011 07:47, Anthony Liguori <anthony@codemonkey.ws> wrote:
> >> > So very concretely, I'm suggesting we do the following to target-i386:
> >>
> >> > 2) get rid of the entire concept of machines. Creating a i440fx is
> >> > essentially equivalent to creating a bare machine.
> >>
> >> Does that make any sense for anything other than target-i386?
>
> > It makes a lot of sense for us on powerpc. Maybe it has to do with a
> > longer tradition of using device trees versus opaque machine IDs -- I don't
> > think the hardware itself makes any substantial difference. Currently we
> > end up having everything pretend to be an mpc8544ds (with some differences
> > described by the guest device tree that the user feeds in), which is ugly.
>
> Hmm. Device tree is coming to ARM, but just at the moment it's
> generally one-kernel-one-machine still. (We've only just gained the
> ability to compile one kernel for both UP and SMP...)
>
> I kind of think you're still defining a "machine", you're just doing it
> in your device tree blob rather than in C.
Right, that's the point -- the definition is just a definition, it's not
tied up with implementation. This reduces the amount of duplication in
implementation (or inappropriate sharing, as in the "use mpc8544ds for
all 85xx" case).
-Scott
next prev parent reply other threads:[~2011-02-10 19:30 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-08 15:55 [Qemu-devel] KVM call minutes for Feb 8 Chris Wright
2011-02-08 16:14 ` [Qemu-devel] " Stefan Hajnoczi
2011-02-08 16:39 ` [Qemu-devel] " Anthony Liguori
2011-02-08 17:13 ` Markus Armbruster
2011-02-08 19:02 ` Peter Maydell
2011-02-08 21:11 ` Anthony Liguori
2011-02-09 8:11 ` Markus Armbruster
2011-02-09 8:20 ` Peter Maydell
2011-02-09 9:02 ` Markus Armbruster
2011-02-08 19:30 ` Alexander Graf
2011-02-08 19:30 ` Aurelien Jarno
2011-02-09 8:23 ` Markus Armbruster
2011-02-09 10:43 ` Anthony Liguori
2011-02-09 17:38 ` Blue Swirl
2011-02-08 21:12 ` Anthony Liguori
2011-02-09 8:01 ` Markus Armbruster
2011-02-09 10:31 ` Anthony Liguori
2011-02-09 12:28 ` Markus Armbruster
2011-02-09 14:44 ` Anthony Liguori
2011-02-09 17:48 ` Blue Swirl
2011-02-09 19:53 ` Anthony Liguori
2011-02-09 19:59 ` Anthony Liguori
2011-02-09 20:15 ` Blue Swirl
2011-02-10 7:47 ` Anthony Liguori
2011-02-10 8:16 ` Peter Maydell
2011-02-10 8:36 ` Anthony Liguori
2011-02-10 9:04 ` Peter Maydell
2011-02-10 10:13 ` Anthony Liguori
2011-02-10 10:38 ` Peter Maydell
2011-02-10 11:24 ` Gleb Natapov
2011-02-10 12:23 ` Anthony Liguori
2011-02-10 13:06 ` Peter Maydell
2011-02-10 19:17 ` Scott Wood
2011-02-10 19:22 ` Peter Maydell
2011-02-10 19:29 ` Scott Wood [this message]
2011-02-10 9:07 ` Gleb Natapov
2011-02-10 10:00 ` Anthony Liguori
2011-02-10 10:10 ` Gleb Natapov
2011-02-10 10:19 ` Anthony Liguori
2011-02-10 10:49 ` Gleb Natapov
2011-02-10 12:47 ` Anthony Liguori
2011-02-10 13:12 ` Gleb Natapov
2011-02-10 10:25 ` Avi Kivity
2011-02-10 11:13 ` Gleb Natapov
2011-02-10 12:51 ` Anthony Liguori
2011-02-10 13:00 ` Avi Kivity
2011-02-10 13:29 ` Gleb Natapov
2011-02-10 14:00 ` Anthony Liguori
2011-02-10 13:27 ` Gleb Natapov
2011-02-10 14:04 ` Anthony Liguori
2011-02-10 14:20 ` Gleb Natapov
2011-02-10 16:05 ` Anthony Liguori
2011-02-11 18:14 ` Blue Swirl
2011-02-13 9:24 ` Gleb Natapov
2011-02-13 15:31 ` Anthony Liguori
2011-02-13 19:37 ` Blue Swirl
2011-02-13 19:57 ` Anthony Liguori
2011-02-13 21:00 ` Blue Swirl
2011-02-13 22:42 ` Anthony Liguori
2011-02-14 17:31 ` Blue Swirl
2011-02-14 20:53 ` Anthony Liguori
2011-02-14 21:25 ` Blue Swirl
2011-02-14 21:47 ` Anthony Liguori
2011-02-15 17:11 ` Blue Swirl
2011-02-15 23:07 ` Anthony Liguori
2011-02-16 9:52 ` Gleb Natapov
2011-02-14 9:44 ` Paolo Bonzini
2011-02-10 10:29 ` Avi Kivity
2011-02-13 15:38 ` Anthony Liguori
2011-02-13 15:56 ` Avi Kivity
2011-02-13 16:56 ` Anthony Liguori
2011-02-13 18:08 ` Gleb Natapov
2011-02-13 19:38 ` Anthony Liguori
2011-02-14 10:23 ` Gleb Natapov
2011-02-13 21:24 ` Peter Maydell
2011-02-13 22:43 ` Anthony Liguori
2011-02-13 23:35 ` Peter Maydell
2011-02-13 15:39 ` Anthony Liguori
2011-02-11 17:54 ` Blue Swirl
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