Date: Wed, 16 May 2007 13:33:31 -0600 From: Scott Long <scottl@samsco.org> To: Tom Judge <tom@tomjudge.com>, Jack Vogel <jfvogel@gmail.com>, FreeBSD Stable List <freebsd-stable@freebsd.org> Subject: Re: EM and TSO Message-ID: <464B5C8B.1040203@samsco.org> In-Reply-To: <20070516181530.GA48926@icarus.home.lan> References: <2a41acea0705161030k40831aa5o168b5bc40fcf3352@mail.gmail.com> <464B48EB.20906@tomjudge.com> <20070516181530.GA48926@icarus.home.lan>
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Jeremy Chadwick wrote: > On Wed, May 16, 2007 at 07:09:47PM +0100, Tom Judge wrote: >> Jack Vogel wrote: >>> I introduced a change yesterday that limited TSO to PCI Express >>> adapters, I did this more for avoidance rather than a bug fix, and >>> I'm not 100% sure its the right thing, so I thought I would poll >>> everyone, do you have a PCI-X adapter and are using TSO without >>> problems and wish to keep the support in? >>> If no one is then I'll just leave it as is. >>> Jack > > This is for Jack: > > Did you mean PCI Express instead of PCI-X in your latter sentence? > PCI Express != PCI-X. > > If you did mean PCI-X, then I would assume the change could also > affect standard PCI devices... > Considering that Intel has been a driving member of the PCI-SIG and one of the core proponents of PCIe, I would imagine that every Intel engineer has this knowledge drilled directly into their brains within a few hours of stepping foot on the Intel campus =-) Scott
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