From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (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 F11463793DF; Mon, 9 Feb 2026 13:56:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770645372; cv=none; b=RcuoSWutSWZ2QYcwKshTreNXoS9eQOIS6UDqA7KfZy0psHcRrJMP7Oamd2QnA3mh9ETnrXjPm5US5tWf1EjY7d8Yvv/fow5lqKjlJI1HlKNW7WN6Z+m5lXP43A5uuRxd47+FRCWnZB0/HpsksYcWyBDVfMPnRz14hOHmiUy+uNM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770645372; c=relaxed/simple; bh=rBL1bBvkjTPgCykjgiqbVv+dDMCeoT/dfKbtap1Pryg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FrulAoupnFqmsILwaCMANA/GAg/leY1QUOKoWwWT3jgjzxHoaLIZ1Kcl/Otn5MmDeHkjn5ZNAUvJG0mFKAhTN610dLTAWw1aY2l62USU6iR3W3eQcn4y7qsadXQb82XoGYWSZY4w/EVF9A5DvY7jLnp/btjVAZRCpE6oH5rgXU4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=tYTQv7n9; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="tYTQv7n9" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=kacjq2rEcfQB30IBAxC28QfPwUJPcJ/L6ti1cdxg2ME=; b=tYTQv7n9d34Tc3ERpKjTpLAREf u+uy40WbpgRgG5Q711xisNoXonQVrgM7Av/tV6101c3qzkbSq6Kz0VmM6Exn5vt/6Zrnzvlm0zIZ/ xcrVsQDSckspPS4JcQD0Ijyp85mF/Xv39BdPSLpHwPVzMiRYorE0bKth3vwNumgOZqC4=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1vpRkB-006jGu-61; Mon, 09 Feb 2026 14:56:03 +0100 Date: Mon, 9 Feb 2026 14:56:03 +0100 From: Andrew Lunn To: Ziyi Guo Cc: Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-usb@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] net: usb: kaweth: remove TX queue manipulation in kaweth_set_rx_mode Message-ID: References: <20260209053013.1701134-1-n7l8m4@u.northwestern.edu> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260209053013.1701134-1-n7l8m4@u.northwestern.edu> On Mon, Feb 09, 2026 at 05:30:13AM +0000, Ziyi Guo wrote: > kaweth_set_rx_mode(), the ndo_set_rx_mode callback, calls > netif_stop_queue() and netif_wake_queue(). These are TX queue flow > control functions unrelated to RX multicast configuration. I think there needs to be a better explanation why it is safe to remove these stop and wake queue operations. r8152 does the same. Is it also broken? Rather than removing these, should we actually be waiting for the completion of the urb? Andrew