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From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [patch 2/7] dt: dtb version: document chosen/dtb-info node binding
Date: Thu, 19 Mar 2015 18:53:06 +0000	[thread overview]
Message-ID: <20150319185306.GB11683@leverpostej> (raw)
In-Reply-To: <20150319184139.GG8656@n2100.arm.linux.org.uk>

> And yes, you are right - anything like this which we add immediately
> becames a user ABI which becomes *very* difficult to change later, so
> in order to accept anything like this, we have to be absolutely sure
> that this is something we really really really really want to do.  Let
> me put it another way: once this is accepted, it will probably be
> impossible to ever change it.

Agreed.

Having debugged issues with bad DTBs in the past without having this
information, I don't see it as being majorly helpful -- the DTB is
relatively simple and can be decompiled.

You don't gain much from being able to read which file it was built from
on a random server you don't have access to, and if you do have access
to the source it's relatively easy to discover the file it was built
from.

So unless there's a really compelling case for this, I don't see the
point in having it.

Mark.

  reply	other threads:[~2015-03-19 18:53 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-19  3:29 [patch 0/7] dt: dtb version: add version info to dtb Frank Rowand
2015-03-19  3:31 ` [patch 1/7] dt: dtb version: consolidate documentation of chosen node bindings Frank Rowand
2015-03-19 13:40   ` Mark Rutland
2015-03-19  3:33 ` [patch 2/7] dt: dtb version: document chosen/dtb-info node binding Frank Rowand
2015-03-19 13:23   ` Rob Herring
2015-03-19 16:42     ` Frank Rowand
2015-03-19 18:41     ` Russell King - ARM Linux
2015-03-19 18:53       ` Mark Rutland [this message]
2015-03-19 19:01       ` Frank Rowand
2015-03-19 19:32         ` Russell King - ARM Linux
2015-03-19 20:44           ` Frank Rowand
2015-03-20 14:42             ` Mark Rutland
2015-03-19 13:49   ` Mark Rutland
2015-03-19 17:02     ` Frank Rowand
2015-03-19 17:23       ` Geert Uytterhoeven
2015-03-19 19:12       ` Mark Rutland
2015-03-19 21:27         ` Frank Rowand
2015-03-20 15:25           ` Mark Rutland
2015-03-19 17:37   ` Frank Rowand
2015-03-19  3:34 ` [patch 3/7] dt: dtb version: arm dts Makefile Frank Rowand
2015-03-19  3:36 ` [patch 4/7] dt: dtb version: kernel Makefile Frank Rowand
2015-03-19  3:38 ` [patch 5/7] dt: dtb version: kbuild scripts Frank Rowand
2015-03-19  3:39 ` [patch 6/7] dt: dtb version: dtsi files Frank Rowand
2015-03-19 18:46   ` Sascha Hauer
2015-03-19  3:41 ` [patch 7/7] dt: dtb version: report dtb info Frank Rowand
2015-03-19  8:12 ` [patch 0/7] dt: dtb version: add version info to dtb Gregory CLEMENT
2015-03-19 17:05   ` Frank Rowand
2015-03-20 13:46 ` Rob Herring
2015-03-20 19:14   ` Uwe Kleine-König

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