Messages in this thread | | | Date | Fri, 10 Mar 2006 08:54:52 -0800 | From | Greg KH <> | Subject | Re: [openib-general] Re: [PATCH 8 of 20] ipath - sysfs support for core driver |
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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,
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