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[73.158.218.242]) by smtp.gmail.com with UTF8SMTPSA id 41be03b00d2f7-b54a387cc21sm5204677a12.28.2025.09.12.10.06.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Sep 2025 10:06:12 -0700 (PDT) From: Stanislav Fomichev To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew+netdev@lunn.ch, shuah@kernel.org, sdf@fomichev.me, almasrymina@google.com, joe@dama.to, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next] selftests: ncdevmem: remove sleep on rx Date: Fri, 12 Sep 2025 10:06:11 -0700 Message-ID: <20250912170611.676110-1-sdf@fomichev.me> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" RX devmem sometimes fails on NIPA: https://netdev-3.bots.linux.dev/vmksft-fbnic-qemu-dbg/results/294402/7-devm= em-py/ Both RSS and flow steering are properly installed, but the wait_port_listen fails. Try to remove sleep(1) to see if the cause of the failure is spending too much time during RX setup. I don't see a good reason to have sleep in the first place. If there needs to be a delay between installing the rules and receiving the traffic, let's add it to the callers (devmem.py) instead. Signed-off-by: Stanislav Fomichev Reviewed-by: Mina Almasry --- tools/testing/selftests/drivers/net/hw/ncdevmem.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/drivers/net/hw/ncdevmem.c b/tools/test= ing/selftests/drivers/net/hw/ncdevmem.c index c0a22938bed2..3288ed04ce08 100644 --- a/tools/testing/selftests/drivers/net/hw/ncdevmem.c +++ b/tools/testing/selftests/drivers/net/hw/ncdevmem.c @@ -872,8 +872,6 @@ static int do_server(struct memory_buffer *mem) goto err_reset_rss; } =20 - sleep(1); - if (bind_rx_queue(ifindex, mem->fd, create_queues(), num_queues, &ys)) { pr_err("Failed to bind"); goto err_reset_flow_steering; --=20 2.51.0