lkml.org 
[lkml]   [2006]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: RFC: ipath ioctls and their replacements
From
Date
On Wed, 2006-01-18 at 21:39 -0800, Greg KH wrote:

> Ok, that's fair enough. But if you want to do something like ptys, then
> why not just have your own filesystem for this driver?

If you think it's appropriate to implement a new filesystem to replace a
single ioctl that returns two integers, we can probably do that, but
more realistically, the GETPORT ioctl can probably live a long and
untroubled life as another netlink message.

> You are just making your own type of special interface up as you
> go, so the complexity is also there (this complexity would normally be
> in some core code, which I am hoping that your code will turn into for
> other devices of the same type, right?)

The most important chunk of likely common code I can see at the moment
is the stuff for bodging user page mappings that we got hammered over
already. The drivers/infiniband/ tree already has code that does
something like this, and a few other not-yet-in-tree network drivers
that support RDMA have similar needs, too.

<b

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-01-19 06:55    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site