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Cc: src-committers@FreeBSD.org, jhb@FreeBSD.org, Bruce Evans <bde@zeta.org.au>,
	cvs-src@FreeBSD.org, cvs-all@FreeBSD.org,
	Matthew Jacob <mj@feral.com>, Warner Losh <imp@bsdimp.com>
Subject: Re: cvs commit: src/sys/dev/bce if_bcereg.h
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> And actually, it's 100% impossible to do a transfer larger than 2^32 on
> PCI Express due to the protocol requiring that a transfer not cross a
> 4GB boundary.

You could still have a device that you program with > 2^32 and it'll 
take care of the segment issues.

> So, I think that we are pretty safe with this typedef for
> the next 5-10 years.

Nope. I give it 3 years max.

>  Of course, I'll be honored when Linus calls me a
> moron for this 7 years from now =-)
>
> Scott
>
>