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    SubjectRe: [openib-general] Re: [PATCH 8 of 20] ipath - sysfs support for core driver
    On Fri, Mar 10, 2006 at 10:08:10AM -0500, Hal Rosenstock wrote:
    > On Fri, 2006-03-10 at 09:59, Roland Dreier wrote:
    > > Greg> The main issue is that if you create a sysfs file like this,
    > > Greg> and then in 3 months realize that you need to change one of
    > > Greg> those characters to be something else, you are in big
    > > Greg> trouble...
    > >
    > > I think that PortInfo and NodeInfo might be fair game for sysfs files,
    > > because they are actually defined in the IB spec with a binary format
    > > that is sent on the wire. So they're not going to change.
    >
    > Not true; There have been and likely will be more upward compatible
    > changes (especially to PortInfo).

    Great, that means they should NOT be exported to userspace in this
    fashion...

    > > On the other hand it's not clear to me why using that wire protocol as
    > > an interface to userspace is a good idea...

    Agreed.

    thanks,

    greg k-h
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