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From: Andrew Morton <akpm@osdl.org>
To: "Ph. Marek" <philipp.marek@bmlv.gv.at>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] optional use "gzip --rsyncable" for bzImage
Date: Wed, 16 Nov 2005 17:54:13 -0800	[thread overview]
Message-ID: <20051116175413.208d27db.akpm@osdl.org> (raw)
In-Reply-To: <200511161408.49287.philipp.marek@bmlv.gv.at>

"Ph. Marek" <philipp.marek@bmlv.gv.at> wrote:
>
>  As (at least in debian) gzip has the "--rsyncable" parameter included, 
>  I'd like to suggest this patch to (configurable) use this for bzImage creation.

I'd doubt if this works with a compressed a.out.  Most changes one would
make to a kernel at the source level will cause changes all over the
generated binary, so rsync will send the whole compressed file anyway.

For example, a few-byte change in size of a function will cause a huge
number of `call xxxxxxxx' opcodes to turn into `call xxxxxxxx+N'.

So I'll need some convincing.  But even if convinced, this seems like an
exceedingly obscure thing that not many people would be interested in.

echo `/usr/bin/gzip --rsyncable $*' > ~/bin/gzip ;)

  reply	other threads:[~2005-11-17  1:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-16 13:08 Ph. Marek
2005-11-17  1:54 ` Andrew Morton [this message]
2005-11-19  0:34   ` Alistair John Strachan

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