[RFC] Initial attempt to make ARM use LMB

Tony Lindgren tony at atomide.com
Mon May 31 04:04:30 EDT 2010


* Russell King - ARM Linux <linux at arm.linux.org.uk> [100528 17:26]:
> On Tue, May 25, 2010 at 05:44:18PM -0700, Tony Lindgren wrote:
> > Also, the last patch in lmb branch "ARM: use LMB to allocate system
> > memory MMIO resource structures" causes both osk5912 and n900
> > to hang very early. Maybe I'm missing some patch again..
> 
> I'll drop this patch for the time being - we don't have stuff in the
> right order yet for lmb_alloc() to work immediately after arm_lmb_init()
> with highmem present - lmb_alloc tries to allocate from unmapped or high
> memory, which we then use __va() on and referencing the resulting pointer
> causes an abort.
> 
> However, using lmb_alloc() for the OMAP framebuffers shouldn't be an
> issue because the problem only happens if you want to immediately
> dereference the memory.

OK. Looks like your lmb branch still has it and is from the 23rd,
maybe you forgot to push out the update lmb branch?

Regards,

Tony



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