Maybe this is a dumb question...
I believe that the kernel expects virtual addresses to be passed to the
defined cache functions across all architectures. Looking at PowerPC
and Blackfin confirm this I think.
Can someone confirm this or point to where it's documented as I have dug
for it without finding any specific details?
Thanks,
John
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On Thu, Oct 29, 2009 at 12:26, John Linn wrote:
> Maybe this is a dumb question...
you should see the stuff people put into hardware ...
> I believe that the kernel expects virtual addresses to be passed to the
> defined cache functions across all architectures.
i believe they're virtual since most (sane) hardware virtual memory
implementations are done with caches based on virtual addresses, but
what do i know (leading into next point ...)
> Looking at PowerPC and Blackfin confirm this I think.
the Blackfin arch (which is what i work on) is a bad example as it
lacks virtual memory support
-mike