Re: [PATCH] arm: dma-mapping: move consistent_init toearly_initcall

[Russell King - ARM Linux]

On Thu, Dec 02, 2010 at 02:11:18PM -0800, Jeff Ohlstein wrote:
> Some machines require the use of coherent memory to bring up auxillary
> cpus, and thus want to use dma_alloc_coherent prior to smp_init
> completing.

I'd like to see the rest of the code to indicate why you need DMA
coherent memory for SMP boot.  It seems to me quite unnecessary.
DMA coherent memory is meant for talking to devices, not to other
CPUs which will be part of the symmetric part of the system.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/