[PATCH v2] staging/rdma/hfi1: check for ARMED->ACTIVE transition in receive interrupt
Jubin John
jubin.john at intel.com
Tue Jan 5 18:48:17 UTC 2016
On Mon, Jan 04, 2016 at 10:23:46PM +0200, Leon Romanovsky wrote:
> On Mon, Jan 04, 2016 at 11:21:19AM -0500, Jubin John wrote:
> > From: Jim Snow <jim.m.snow at intel.com>
> >
> > } else {
> > + /* Auto activate link on non-SC15 packet receive */
> > + if (unlikely(rcd->ppd->host_link_state ==
> > + HLS_UP_ARMED))
> > + if (set_armed_to_active(rcd, packet, dd))
> > + goto bail;
>
> What is the advantage of double "if" over one "if"?
> Something like that
> + if (unlikely(rcd->ppd->host_link_state == HLS_UP_ARMED) && (set_armed_to_active(rcd, packet, dd))
> + goto bail;
I don't think there is an advantage to the double if, so I will change
it to the single if in v3.
>
> > last = process_rcv_packet(&packet, thread);
> > }
> >
> > @@ -984,6 +1020,42 @@ bail:
> > }
> >
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