Re: Getting physical addresses of mmap'd pages from userspace

[Robert Schwebel <r.schwebel@pengutronix.de>]

On Mon, Oct 13, 2008 at 11:58:20AM -0400, George G. Davis wrote:
> It comes down to decisions of bill-of-materials and performance, the
> MBX/SGX options mentioned already are part of the SoCs and have high
> bandwidth connections to the processor. External options increase cost
> and won't match bandwidth of on chip options, but that's just my
> ignorant opinion w/o looking at the low-level detail comparisons.
> Unless you intend to encourage the SoC vendors to use the SM50x
> instead?  : )  Of course, that won't help for the current and planned
> generation(s) of devices...

The BoM argument is probably true for high volume consumer or automotive
use cases. For industrial usage, long term maintainability and thus
availability of documentation and code is usually a more important
argument.

Just my 0.02 ct. I'm just a poor open source guy :)

rsc
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