From mboxrd@z Thu Jan 1 00:00:00 1970 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 6F39A8C1F; Fri, 3 Oct 2025 08:17:33 +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=1759479453; cv=none; b=QhUcP8sW6balveo3fXoo3o7TVyqv+iDR/aBF8yKPko1io7eev5FT+sqQ7YZlsBjcjzEOmBu+0j6DPyTQkX7yNjDLoOIiDijoFvHrATZ8GryEgbirWJ28jEybbUImsD5wWKJ/0x0FvPgyrOuVTHgntSu0qelHPwzAY+wUSNqiPmw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759479453; c=relaxed/simple; bh=iBCFNMMyNV4Rxo6BSgm5yEWsJ3CMCwo7Q9j7QSQ9aHw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cpr6dXlgEMvequMaLvUtZyf1dBuStvNmEfO8z+sOH2PgHh+i0DrTj4nhaoEQcznF9imhPvEOR+WtjxHW1j0+JoIEg+nZZFp14XMDBTlVaLu6slWvgz7Y0x7oC6dNuWAjSVBdCjmNf9QjzJVAj1Lk4dwYA6HuLbvP8MBONWmbxNk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sjJpwBHQ; 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="sjJpwBHQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68662C4CEF5; Fri, 3 Oct 2025 08:17:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759479453; bh=iBCFNMMyNV4Rxo6BSgm5yEWsJ3CMCwo7Q9j7QSQ9aHw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=sjJpwBHQ2PPJDhnVMXsFpEk2IHhuK+r5fTD8vKh6QR1RhdBOfL2Q2/42gmOsba/Zy lenOkNHG6kMtSVQPCAy0gDup9tND6pSEHPjtYEZ73HT7l1AycJOf8VPheedh1giDME aL4mac2PVFAl4hfwv8gnuRDMvN6BQ9VLjsITFFUtx3a7X6OdTHd5S3/WFxzCrrBKGZ hsXjyfRuGFFRc6EgQjaCxWMX64aJ3+QM+6Kun3X0D60gAmzDdInXj7o8Iof6veLt+t KzD7axWIYvdQkrdIXKyh1xBXgUUk69KW3Rw6217LatiI9TA/ge/mPYwSSoZRI+JVw+ Jm9Hki9aebF1w== Date: Fri, 3 Oct 2025 09:17:29 +0100 From: Simon Horman To: Yeounsu Moon Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] net: dlink: use dev_kfree_skb_any instead of dev_kfree_skb Message-ID: <20251003081729.GB2878334@horms.kernel.org> References: <20251003022300.1105-1-yyyynoom@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251003022300.1105-1-yyyynoom@gmail.com> On Fri, Oct 03, 2025 at 11:23:00AM +0900, Yeounsu Moon wrote: > Replace `dev_kfree_skb()` with `dev_kfree_skb_any()` in `start_xmit()` > which can be called from hard irq context (netpoll) and from other > contexts. > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > Signed-off-by: Yeounsu Moon > Tested-on: D-Link DGE-550T Rev-A3 Hi, I am curious to know why this problem has come up now. Or more to the point, why it has not come up since the cited commit was made, 20 years ago. I am also curious to know how the problem was found. By inspection? Through testing? Other? ...