[PATCH v7 3/3] doc: note on unsupported completion queue sharing

[Shaiq Wani]

Added a note in the IDPF Poll Mode Driver documentation to clarify
that sharing a completion queue among multiple TX queues serviced
by different CPU cores is not supported in split queue mode.

Signed-off-by: Shaiq Wani <shaiq.wani at intel.com>
---
 doc/guides/nics/idpf.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/guides/nics/idpf.rst b/doc/guides/nics/idpf.rst
index b99cc18188..47e38fcb13 100644
--- a/doc/guides/nics/idpf.rst
+++ b/doc/guides/nics/idpf.rst
@@ -79,6 +79,11 @@ Runtime Configuration
   Then the PMD will configure Tx queue with single queue mode.
   Otherwise, split queue mode is chosen by default.
 
+.. note::
+
+  In split queue mode, sharing a completion queue among multiple TX queues that are
+  serviced by different CPU cores is not supported.
+
 
 Driver compilation and testing
 ------------------------------
-- 
2.34.1