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Mon, 02 Feb 2026 18:19:03 -0800 (PST) Received: from localhost.localdomain ([128.224.253.2]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8c711d5c34asm1337199885a.50.2026.02.02.18.18.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Feb 2026 18:19:02 -0800 (PST) From: Kevin Hao Subject: [PATCH net v5 0/2] net: cpsw: Execute ndo_set_rx_mode callback in a work queue Date: Tue, 03 Feb 2026 10:18:29 +0800 Message-Id: <20260203-bbb-v5-0-ea0ea217a85c@gmail.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAPVagWkC/13MTQ6CMBAF4KuQrq2ZdloqrryHcdFfaCJgCiEaw t2tsEEyqzcz35vJ4FP0A7kWM0l+ikPsuxzkqSC20V3taXQ5Ew68BMaRGmOos1gqGUrFHJD8+Uo +xPfaciedH8kjL5s4jH36rM0TW09/JROjeVRpwCh2QeFudavj82z7dvUT3xu5Gf4zUqgQtLGVw 6PBvVGbwWykVyygAMt8dTRiZxA2I7LhxgGAZtKi2JtlWb5HelIaNwEAAA== X-Change-ID: 20260123-bbb-dc3675f671d0 To: netdev@vger.kernel.org Cc: Kevin Hao , stable@vger.kernel.org, Siddharth Vadapalli , Roger Quadros , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Vladimir Oltean , Kuniyuki Iwashima , linux-omap@vger.kernel.org X-Mailer: b4 0.14.2 These two patches resolve an RTNL assertion call trace issue in both the legacy and new cpsw drivers. Thanks, Kevin --- Changes in v5: - Apply the same fix to the legacy cpsw driver as well. - Use goto label in cpsw_ndo_set_rx_mode_work() for the undo path as suggested by Jakub. - Move the disable_work_sync() call to after unregister_netdev() as suggested by Jakub. - Link to v4: https://lore.kernel.org/r/20260130-bbb-v4-1-2bd000a15c34@gmail.com Changes in v4: - Using schedule_work() instead of creating a dedicated workqueue. - Link to v3: https://lore.kernel.org/r/20260127-bbb-v3-1-5e71f340c1e9@gmail.com Changes in v3: - Resolve the deadlock issue identified in the AI review [2] by moving the netif_running() check under the RTNL lock and removing the cancel_work_sync() call in cpsw_ndo_stop(). - Link to v2: https://lore.kernel.org/r/20260125-bbb-v2-1-1547ffabc9d3@gmail.com Changes in v2: - Addresses the issue identified in the AI review [1]: - Adds a netif_running() check in cpsw_ndo_set_rx_mode_work() - Cancels the rx_mode_work in cpsw_ndo_stop() - Link to v1: https://lore.kernel.org/r/20260123-bbb-v1-1-176b0b71834d@gmail.com [1] https://netdev-ai.bots.linux.dev/ai-review.html?id=bd885e1e-1aed-4755-ad60-7150737ad0f5 [2] https://netdev-ai.bots.linux.dev/ai-review.html?id=c9fc3cf8-a06c-4cb8-b26b-910e775951a0 --- Kevin Hao (2): net: cpsw_new: Execute ndo_set_rx_mode callback in a work queue net: cpsw: Execute ndo_set_rx_mode callback in a work queue drivers/net/ethernet/ti/cpsw.c | 41 +++++++++++++++++++++++++++++++------ drivers/net/ethernet/ti/cpsw_new.c | 34 +++++++++++++++++++++++++----- drivers/net/ethernet/ti/cpsw_priv.h | 1 + 3 files changed, 65 insertions(+), 11 deletions(-) --- base-commit: 193579fe01389bc21aff0051d13f24e8ea95b47d change-id: 20260123-bbb-dc3675f671d0 Best regards, -- Kevin Hao