Re: libata+SGIO: is .dma_boundary respected?

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On Tue, 2006-03-21 at 20:46 +0100, Jens Axboe wrote:
> Do <insert random device here> really never have segment or boundary
> restrictions outside of IDE? Seems to me that supporting that would be
> the conservative and sane thing to do.

Well the only machines that actually turn on virtual merging are sparc
and parisc.  They have a small list of "certified" devices for them,
none of which seems to have aribtrary segment boundary restrictions
(although most of them have the standard 4GB one).

When I brought this up the last time it degenerated into a slanging
match over the value of virtual merging (which no-one can seem to
provide a definitive answer to).

James


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