Followup to: <email@example.com>
By author: "Henning P. Schmiedehausen" <firstname.lastname@example.org>
In newsgroup: linux.dev.kernel
> Jens Axboe <email@example.com> writes:
> >I dunno what the purpose of that would be exactly, I guess to cater to
> >some hardware odditites?
> Wild guess: You can use larger transfer sizes with the 48 bit
> interface, even when adressing the lower 28 bit space?
> This might be a win for applications that stream large contigous
> blocks from/to a HD (Video, Audio...)
Right, Jens basically does something like:
use_48_bits := (address+length > 2^28) || (length >= 2^16)
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This archive was generated by hypermail 2b29 : Wed May 07 2003 - 22:00:33 EST