[dpdk-stable] patch 'examples/service_cores: fix lcore count check' has been queued to stable release 20.11.4

[Xueming Li]

Hi,

FYI, your patch has been queued to stable release 20.11.4

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/12/21. 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/steevenlee/dpdk

This queued commit can be viewed at:
https://github.com/steevenlee/dpdk/commit/64c6120185910f01dcf36fe8f42f94c4aa7ad995

Thanks.

Xueming Li <xuemingl at nvidia.com>

---
>From 64c6120185910f01dcf36fe8f42f94c4aa7ad995 Mon Sep 17 00:00:00 2001
From: Ruifeng Wang <ruifeng.wang at arm.com>
Date: Mon, 30 Aug 2021 16:04:12 +0800
Subject: [PATCH] examples/service_cores: fix lcore count check
Cc: Xueming Li <xuemingl at nvidia.com>

[ upstream commit 328720c594f235aa44c78fe360e8e6f31b5e989f ]

The example has various profiles to run services on specified
number of lcores. Due to incorrect boundary condition, service
can be dispatched to a core that does not exist. This puts main
core into endless wait.

Max available number of service cores is all detected lcores
excluding main core.

Fixes: 7f6ee6aee717 ("examples/service_cores: check cores before run")

Signed-off-by: Ruifeng Wang <ruifeng.wang at arm.com>
Acked-by: Harry van Haaren <harry.van.haaren at intel.com>
---
 examples/service_cores/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/service_cores/main.c b/examples/service_cores/main.c
index c5753cc52d..e0cb4f9acb 100644
--- a/examples/service_cores/main.c
+++ b/examples/service_cores/main.c
@@ -118,7 +118,7 @@ apply_profile(int profile_id)
 	struct profile *p = &profiles[profile_id];
 	const uint8_t core_off = 1;
 
-	if (p->num_cores > rte_lcore_count() + 1) {
+	if (p->num_cores > rte_lcore_count() - 1) {
 		printf("insufficent cores to run (%s)",
 			p->name);
 		return;
-- 
2.33.0

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2021-11-10 14:17:04.118375010 +0800
+++ 0045-examples-service_cores-fix-lcore-count-check.patch	2021-11-10 14:17:01.797413358 +0800
@@ -1 +1 @@
-From 328720c594f235aa44c78fe360e8e6f31b5e989f Mon Sep 17 00:00:00 2001
+From 64c6120185910f01dcf36fe8f42f94c4aa7ad995 Mon Sep 17 00:00:00 2001
@@ -4,0 +5,3 @@
+Cc: Xueming Li <xuemingl at nvidia.com>
+
+[ upstream commit 328720c594f235aa44c78fe360e8e6f31b5e989f ]
@@ -15 +17,0 @@
-Cc: stable at dpdk.org
@@ -24 +26 @@
-index 83915b9a53..9f52082254 100644
+index c5753cc52d..e0cb4f9acb 100644