Re: [PATCH 05/15] arm: convert to use __HEAD and HEAD_TEXT macros.

[Ralf Baechle]

On Mon, Apr 27, 2009 at 10:06:26AM -0700, Linus Torvalds wrote:

> On Mon, 27 Apr 2009, Tim Abbott wrote:
> > 
> > Does .head.text actually need its own output section here?
> 
> Probably not. Does the ARM build system massage the end result some way 
> looking for that .text.head section in the end? As you note, nobody else 
> cares, and the proper patch may be more along the lines of something 
> below.
> 
> Of course, most other architectures put the "init" section at the end, and 
> leave the HEAD_TEXT in the regular text section, but I suspect the ARM way 
> of laying things out (init text first) is probably better, since it allows 
> you to free that head code too.

There are a few platforms were due to excess bootloader primitivity (read
the boot format is a simple blob) it is desireable to have the entry point
at the lowest address of the final image - because that is what the firmware
is expecting.

  Ralf
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