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From: David Gibson <david@gibson.dropbear.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH qemu] spapr: Add /system-id
Date: Wed, 18 Nov 2015 21:49:28 +1100	[thread overview]
Message-ID: <20151118104927.GA3298@voom.fritz.box> (raw)
In-Reply-To: <564C2CA3.8000307@ozlabs.ru>

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On Wed, Nov 18, 2015 at 06:45:39PM +1100, Alexey Kardashevskiy wrote:
> On 11/09/2015 07:47 PM, David Gibson wrote:
> >On Mon, Nov 09, 2015 at 05:47:17PM +1100, Alexey Kardashevskiy wrote:
> >>Section B.6.2.1 Root Node Properties of PAPR specification defines
> >>a set of properties which shall be present in the device tree root,
> >>one of these properties is "system-id" which "should be unique across
> >>all systems and all manufacturers". Since UUID is meant to be unique,
> >>it makes sense to use it as "system-id".
> >>
> >>This adds "system-id" property to the device tree root when not empty.
> >>
> >>Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> >>---
> >>
> >>This might be expected by AIX so here is the patch.
> >>I am really not sure if it makes sense to initialize property when
> >>UUID is all zeroes as the requirement is "unique" and zero-uuid is
> >>not.
> >
> >Yeah, I think it would be better to omit system-id entirely when a
> >UUID hasn't been supplied.
> 
> 
> so this did not go anywhere yet, did it?

No.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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  reply	other threads:[~2015-11-18 10:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-09  6:47 [Qemu-devel] [PATCH qemu] spapr: Add /system-id Alexey Kardashevskiy
2015-11-09  8:47 ` David Gibson
2015-11-18  7:45   ` Alexey Kardashevskiy
2015-11-18 10:49     ` David Gibson [this message]
2015-11-25 15:15       ` [Qemu-devel] [Qemu-ppc] " Alexander Graf
2015-11-26  0:49         ` David Gibson
2015-11-26  4:29           ` Alexey Kardashevskiy
2015-11-26 11:04             ` Greg Kurz
2015-11-26 23:46             ` David Gibson

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