Re: [PATCH 0/7] IB/hfi1: Remove write() and use ioctl() for user access

From: Christoph Hellwig
Date: Tue Apr 19 2016 - 14:40:29 EST


On Mon, Apr 18, 2016 at 11:45:49PM -0400, Ira Weiny wrote:
> I'm a bit confused by what you are suggesting that "people will have to patch
> the driver with some vendor version if they really need it."?
>
> Could you elaborate?

There are lots of drivers where we simply did not accept these vendor
specific extensions at all. Especially for networking drivers it's
pretty common. I'm not proposing this here, just saying that we have
lots of examples for it.