[dpdk-stable] patch 'eventdev: fix MP/MC tail updates in event ring' has been queued to stable release 18.02.2

[luca.boccassi at gmail.com]

Hi,

FYI, your patch has been queued to stable release 18.02.2

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 05/02/18. So please
shout if anyone has objections.

Thanks.

Luca Boccassi

---
>From 4b55aba99c15faf76a4d9adc036240c08c8dd08c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mattias=20R=C3=B6nnblom?= <hofors at lysator.liu.se>
Date: Tue, 3 Apr 2018 10:19:03 +0200
Subject: [PATCH] eventdev: fix MP/MC tail updates in event ring
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

[ upstream commit 463dee906eeee3b2ed1715930083e2be90578de8 ]

rte_event_ring enqueue and dequeue tail updates were hardcoded for a
SC/SP configuration.

Fixes: dc39e2f359b5 ("eventdev: add ring structure for events")

Signed-off-by: Mattias Rönnblom <hofors at lysator.liu.se>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
---
 lib/librte_eventdev/rte_event_ring.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/librte_eventdev/rte_event_ring.h b/lib/librte_eventdev/rte_event_ring.h
index 29d4228ab..827a3209e 100644
--- a/lib/librte_eventdev/rte_event_ring.h
+++ b/lib/librte_eventdev/rte_event_ring.h
@@ -99,7 +99,7 @@ rte_event_ring_enqueue_burst(struct rte_event_ring *r,
 
 	ENQUEUE_PTRS(&r->r, &r[1], prod_head, events, n, struct rte_event);
 
-	update_tail(&r->r.prod, prod_head, prod_next, 1, 1);
+	update_tail(&r->r.prod, prod_head, prod_next, r->r.prod.single, 1);
 end:
 	if (free_space != NULL)
 		*free_space = free_entries - n;
@@ -140,7 +140,7 @@ rte_event_ring_dequeue_burst(struct rte_event_ring *r,
 
 	DEQUEUE_PTRS(&r->r, &r[1], cons_head, events, n, struct rte_event);
 
-	update_tail(&r->r.cons, cons_head, cons_next, 1, 0);
+	update_tail(&r->r.cons, cons_head, cons_next, r->r.cons.single, 0);
 
 end:
 	if (available != NULL)
-- 
2.14.2