On Mon, 4 Jun 2018 15:19:05 +0200
Daniel Borkmann <dan...@iogearbox.net> wrote:
> > +static void ixgbe_xdp_ring_update_tail(struct ixgbe_ring *ring)
> > +{
> > + /* Force memory writes to complete before letting h/w know there
> > + * are new descriptors to fetch.
> > + */
> > + wmb();
> > + writel(ring->next_to_use, ring->tail);
> > +}
>
> Did you double check that this doesn't become a function call? Should this
> get an __always_inline attribute?
I did check this doesn't become a function call. The same kind of code
happens other places in the driver, but I choose not to generalize
this, exactly to avoid this becoming a function call ;-)
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
