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From: Segher Boessenkool <segher@kernel.crashing.org>
To: Joel Schopp <jschopp@austin.ibm.com>
Cc: linuxppc-dev@ozlabs.org, linuxppc64-dev@ozlabs.org
Subject: Re: Merging ppc32 and ppc64
Date: Tue, 9 Aug 2005 15:09:02 +0200	[thread overview]
Message-ID: <bb9b1e9e1ebdc3ac5b23b3cab327bfd5@kernel.crashing.org> (raw)
In-Reply-To: <42F79D89.3040709@austin.ibm.com>

>> I don't see the merge as changing the actual code that gets executed
>> on any given platform very much, except in one respect: we are going
>> to standardize on a flattened device tree as the way that information
>> about the platform gets passed from the boot loader to the kernel.
>> Comments? Flames? :)
>
> There are several userspace applications that parse the non-flat 
> device tree in /proc/device-tree on pSeries.  While I like the idea of 
> the flattened device tree I think we need to consider how many apps we 
> are going to break with it.

_Please_ don't throw the real device tree away; I'm happy with
the flattened device tree if and only if it is a _minimum_
requirement, and having a _real_ device tree (or even real
Open Firmware support) is still an option.


Segher

  parent reply	other threads:[~2005-08-09 13:08 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-03  3:07 Merging ppc32 and ppc64 Paul Mackerras
2005-08-03  5:48 ` Fwd: " Kumar Gala
2005-08-08 17:59 ` Joel Schopp
2005-08-08 23:48   ` Paul Mackerras
2005-08-09 13:09   ` Segher Boessenkool [this message]
2005-08-09 13:11     ` Geert Uytterhoeven
2005-08-09 13:30       ` Segher Boessenkool
2005-08-09 14:12         ` Kumar Gala
2005-08-09 14:47           ` Arnd Bergmann
2005-08-09 15:01             ` Kumar Gala
2005-08-09 16:21               ` Tom Rini
2005-08-09 17:41                 ` Kumar Gala
2005-08-09 17:47                   ` Tom Rini
2005-08-09 18:49                     ` Kumar Gala
2005-08-09 15:16           ` Segher Boessenkool
2005-08-09 22:55         ` Paul Mackerras
2005-08-09 23:00           ` Kumar Gala
2005-08-10 10:15           ` Segher Boessenkool
2005-08-09 14:52     ` Olof Johansson
2005-08-09 22:48     ` Paul Mackerras
2005-08-10 10:51       ` Benjamin Herrenschmidt
  -- strict thread matches above, loose matches on Subject: below --
2005-08-04  2:37 Goodman, Brad

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