On Mon, Feb 18, 2008 at 12:27:42PM -0800, David Brownell wrote:

> > Actually I think David might have been wrong about mips.  afaict its
> > dma_free_coherent() is callable under local_irq_disable(), so ARM SMP is
> > the sole exception?  
> 
> All I recall at this point was getting some arch-specific patches in that
> area; I thought it was MIPS, maybe it was PPC.  The arch code may have
> changed since then too.

Mostly to avoid code duplication on the MIPS side but the core of the
implementation has always been similar to what it is currently.

  Ralf
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