From nobody Fri Dec 19 15:44:49 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41A7A28937D; Mon, 14 Apr 2025 14:46:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744641961; cv=none; b=CU3JzcGMSlhV4uSsB5HN0SV3SP5e4UHpvSOubPaWT5LO3g3jpv3W0UpGCy5R/FXtH87+OEKHkfthN0TiBVc1hKMv4Twuki3yliyVdShm9EjkR6r0qktRQOfIeh32mtEMCvEiJCUpdUQ8KZbwtLK7agHlrCkASytSY3eWZH8IyxA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744641961; c=relaxed/simple; bh=LtVONm9f6LVh+uOhagzHyX5XyhmKUXGOJrHT4/14OCI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=WAJvf4WjLHF0NXxIi7AUbAkcBB4wpXD1zJJrj5hvIE1TQoHGOk2yFMuBSP68tqRY6ANvYdRnZpZeYAk9Uml+uNj83HWcDs+acvGwQC33N1StdACsNI4Ui6gsq5ttswtfPXNE0+phDP/9CuKcJAB3H3ie6Zu1TSoiewbrmo0luT8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TPx99ufO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TPx99ufO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9B13C4CEEB; Mon, 14 Apr 2025 14:45:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744641960; bh=LtVONm9f6LVh+uOhagzHyX5XyhmKUXGOJrHT4/14OCI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=TPx99ufO5L0EEqnYXv1CL8LWYSsBHXFHzSazl078qNA3sTcq3n3JwiGJuAaMR+j8E KfPmX24fo5HPapGHtqOjhpFwv4oEXQQLXBnL2ztdzA6okGjFSZoVi/GmClBaHBB8KK Oyzu1kT2MfsdBcnpcVNGU9ZVGmDmqYAiwOYZHGIIQ7QkKQBI1tq5q5+NR9XTr+/izU oDUO3GMMG1LnB8YprjjfGPzP4F5KqFO60l32P3f9MZnS+BQUzzLt/WoCiEir4Ycbtf kS7LOWAsY0LHHEuFvhQ6hakNIhWuthZlyRsKmD1+5KRYZXqVbF4NEDxi0Rljjd99su P80WzjWBHl3sQ== From: Jeff Layton Date: Mon, 14 Apr 2025 10:45:49 -0400 Subject: [PATCH 4/4] net: register debugfs file for net_device refcnt tracker Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250414-reftrack-dbgfs-v1-4-f03585832203@kernel.org> References: <20250414-reftrack-dbgfs-v1-0-f03585832203@kernel.org> In-Reply-To: <20250414-reftrack-dbgfs-v1-0-f03585832203@kernel.org> To: Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: Qasim Ijaz , Nathan Chancellor , Andrew Lunn , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Jeff Layton X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=780; i=jlayton@kernel.org; h=from:subject:message-id; bh=LtVONm9f6LVh+uOhagzHyX5XyhmKUXGOJrHT4/14OCI=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBn/R+iIfOuXFQqARGbygeisj/5a536bm6dqV6+g bhATKwQcz+JAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZ/0fogAKCRAADmhBGVaC FbInD/9q4YHd1P32c1dDYiQoHRKo14yZQ7HGWWTIoiE4RMAY4GmtVn5JdCFG6k+b2ktMJpmiiYN 4/tfxYpOibfpc2QjtJIznVrFHfB3No6xw4REAIKYq0rAKCaJSf0LoPkJybdLlb5wS2X5LP+FwSE vRuM76sKzWOenGefZkNcdg1Zrd+HXi9SMpjLu4fGfWz5PzsbrCzADodMJ0ui2cOpKZgfgzw0L72 ztqXAmLlzi4cGV7B681oJTbihdVBZpXNO4qVqYLOx1T1RGrlHoZ/erNT2txpF0JAuZQ+nkJ7nMe PvJ84TeMIiXRzAL8y2CG4Oom/lX2CMwxU4hLYDZTA3MGXhdCkSgHKZDtZXz+K02APeZum12LfNF VKYCIsTsRCuWkWXEbTIgRiuYYpZZjikAL0T2ru4GwBFUufJmPWU8pRjXIdVMzNsV+2yz2lVc76/ ZF/05VYAYWMlmcbyvF1SijAnrHFQf9sbtgQ90inXxv7da2PDZiqdTZSaq9hoi0omMk/Cmxdru9Q AWbt2sdWCEEBL9OcPwU08u2JTh7xjzyMiX7qmNEw86GlzfGWI8PFs080qKVHNEiX4mRkk0UsmlY s5njbFZEr9Wyl4u1aREbrgOn8k0V//3e5bFujRl7NZzwZhBBsIbimevSQd90tlIDwJulFHPJEZ9 hgbgxcHAD1D7RPg== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 As a nearly-final step in register_netdevice(), finalize the name in the refcount tracker, and register a debugfs file for it. Signed-off-by: Jeff Layton --- net/core/dev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/core/dev.c b/net/core/dev.c index 2f7f5fd9ffec7c0fc219eb6ba57d57a55134186e..db9cac702bb2230ca2bbc2c04ac= 0a77482c65fc3 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -10994,6 +10994,8 @@ int register_netdevice(struct net_device *dev) dev->rtnl_link_state =3D=3D RTNL_LINK_INITIALIZED) rtmsg_ifinfo(RTM_NEWLINK, dev, ~0U, GFP_KERNEL, 0, NULL); =20 + /* Register debugfs file for the refcount tracker */ + ref_tracker_dir_debugfs(&dev->refcnt_tracker, dev->name); out: return ret; =20 --=20 2.49.0