On Sun, 29 Jul 2012 12:31:16 +0000 (UTC)
Mijzelf [off-list ref] wrote:

Looking at this it seems to me it must be some compiler-inserted
memory barrier, or something like that. But that memcpy baffles me.

You did a great job tracking down the problem.  I think the next step
would be to ask in the mips mailing list.  The wireless subsystem has
nothing to do with that problem.

I think I'll just add a dummy _flush_cache. My target system is
single core, I suppose it would be safe.

I think it's worth trying.

-- 
Regards,
Pavel Roskin