Re: set_fs(KERNEL_DS) vs iovec

[Benjamin Herrenschmidt]

On Tue, 2018-05-22 at 03:20 -0700, Christoph Hellwig wrote:
> On Tue, May 22, 2018 at 03:08:35PM +1000, Benjamin Herrenschmidt wrote:
> > Hence my question: Is is still acceptable these days to use
> > set_fs(KERNEL_DS) for simple cases like this ?
> 
> Not at all.
> 
> > Or is it really
> > deprecated and all new users should use the iovec's ?
> 
> Yes, please use iov_iter.  It should actually make your code simpler,
> too.

In this case it really doesn't :-) But that doesn't matter, I get the
message, I'll fix the driver accordingly.

Cheers,
Ben.