[RFC] "indirect" DCR access (40x, BookE)

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Mar 19 15:00:53 EST 2004

On Sat, 2004-03-13 at 01:25, Kumar Gala wrote:
> Look in u-boot.  They have some user commands that allow
> reading/writing dcr's.  These commands are written with self modifying
> code, I would recommend that we reuse that.
> Also, it begs the question of should this be extended to SPRs, not that
> I have come across a case with SPRs that I need to iterate over a large
> list.

That would way too slow for DCRs used in drivers for example,

I much prefer Eugene's idea.


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