Re: [microblaze-uclinux] [patch] boot memory allocator cleanup 3

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Yashi,

I'm having some problems with this one.  When I boot with this patch 
applied I get a BUG in open()...  which almost certainly means 
something's broken in the memory mapping.  see my comments below:

Yasushi SHOJI wrote:

> * arch/microblaze/kernel/mbvanilla.c: finally used _ramstart
>   fixed: _ramstart definition

OK

> * arch/microblaze/mbvanilla.ld: remove unsed bootmap section
>   
> * arch/microblaze/mm/init.c: reserve memory from start of bss to
> _ramstart, which is the end of romfs.
>   removed: _bootmap fixed:
>   fixed: finally use _ramstart

Here's where it seems to break.

Specifically, if I just use bootmap=_ramstart it works OK, but as soon 
as I actually remove the bootmap region from the link script, it breaks.

The .bss section comes afterimmediately the bootmap, so it's probably 
related.  I'm still trying to work out why...

Any thoughts?  I'll keep looking for a bit longer.

Thanks,

John
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