svn commit: r188350 - in head/sys: amd64/amd64 arm/arm dev/usb2/core i386/i386 ia64/ia64 sys

Marcel Moolenaar xcllnt at mac.com
Mon Feb 9 09:48:59 PST 2009


On Feb 9, 2009, at 6:31 AM, Scott Long wrote:

> Marcel Moolenaar wrote:
>> On Feb 8, 2009, at 5:00 PM, Scott Long wrote:
>>> Busdma allows you to request bouncing for realignment.
>> How exactly?
>
> By specifying an alignment greater than 1 in the tag.

This does not guarantee bounce buffering and without
bounce buffering you don't have realignment.

-- 
Marcel Moolenaar
xcllnt at mac.com





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