Date: Tue, 25 Apr 2006 23:05:52 -0700 (PDT) From: Matthew Jacob <mj@feral.com> To: Scott Long <scottl@samsco.org> 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 Message-ID: <20060425230508.X66143@ns1.feral.com> In-Reply-To: <444F0D58.9020000@samsco.org> References: <444E7750.206@samsco.org> <200604251540.00170.jhb@freebsd.org> <444E7BFE.4040800@samsco.org> <20060425.173236.74726638.imp@bsdimp.com> <444EB6A1.3060901@samsco.org> <20060426103623.M1847@epsplex.bde.org> <20060425223519.F65802@ns1.feral.com> <444F0923.8050508@samsco.org> <20060425224750.K65869@ns1.feral.com> <444F0D58.9020000@samsco.org>
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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 > >
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