patch 'eventdev/eth_tx: fix queue delete' has been queued to stable release 21.11.2

[luca.boccassi at gmail.com]

Hi,

FYI, your patch has been queued to stable release 21.11.2

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 07/08/22. So please
shout if anyone has objections.

Also note that after the patch there's a diff of the upstream commit vs the
patch applied to the branch. This will indicate if there was any rebasing
needed to apply to the stable branch. If there were code changes for rebasing
(ie: not only metadata diffs), please double check that the rebase was
correctly done.

Queued patches are on a temporary branch at:
https://github.com/kevintraynor/dpdk-stable

This queued commit can be viewed at:
https://github.com/kevintraynor/dpdk-stable/commit/49cc0b73a033688bf15e3d98a1e3247eb8b0ac7e

Thanks.

Luca Boccassi

---
>From 49cc0b73a033688bf15e3d98a1e3247eb8b0ac7e Mon Sep 17 00:00:00 2001
From: Naga Harish K S V <s.v.naga.harish.k at intel.com>
Date: Thu, 23 Jun 2022 15:35:11 +0530
Subject: [PATCH] eventdev/eth_tx: fix queue delete

[ upstream commit 881d4b4d8587419197815db57b94fc58ee487445 ]

Add spinlock protection in queue delete function.
This protects the data path while the queue delete operation
is in progress.

Fixes: a3bbf2e09756 ("eventdev: add eth Tx adapter implementation")

Signed-off-by: Naga Harish K S V <s.v.naga.harish.k at intel.com>
Acked-by: Jay Jayatheerthan <jay.jayatheerthan at intel.com>
---
 lib/eventdev/rte_event_eth_tx_adapter.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c b/lib/eventdev/rte_event_eth_tx_adapter.c
index c700fb7b1f..b4b37f1cae 100644
--- a/lib/eventdev/rte_event_eth_tx_adapter.c
+++ b/lib/eventdev/rte_event_eth_tx_adapter.c
@@ -891,9 +891,10 @@ txa_service_queue_del(uint8_t id,
 
 	txa = txa_service_id_to_data(id);
 
+	rte_spinlock_lock(&txa->tx_lock);
 	tqi = txa_service_queue(txa, port_id, tx_queue_id);
 	if (tqi == NULL || !tqi->added)
-		return 0;
+		goto ret_unlock;
 
 	tb = tqi->tx_buf;
 	tqi->added = 0;
@@ -903,6 +904,9 @@ txa_service_queue_del(uint8_t id,
 	txa->txa_ethdev[port_id].nb_queues--;
 
 	txa_service_queue_array_free(txa, port_id);
+
+ret_unlock:
+	rte_spinlock_unlock(&txa->tx_lock);
 	return 0;
 }
 
-- 
2.34.1

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2022-07-06 21:07:53.844956826 +0100
+++ 0008-eventdev-eth_tx-fix-queue-delete.patch	2022-07-06 21:07:53.531518477 +0100
@@ -1 +1 @@
-From 881d4b4d8587419197815db57b94fc58ee487445 Mon Sep 17 00:00:00 2001
+From 49cc0b73a033688bf15e3d98a1e3247eb8b0ac7e Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit 881d4b4d8587419197815db57b94fc58ee487445 ]
+
@@ -11 +12,0 @@
-Cc: stable at dpdk.org