[openib-general] Re: [PATCH 8 of 20] ipath - sysfs support for core driver

[Hal Rosenstock]

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).

-- Hal

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