From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from unimail.uni-dortmund.de (mx1.hrz.uni-dortmund.de [129.217.128.51]) (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 DF1C128150F; Mon, 27 Jul 2026 14:01:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=129.217.128.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785160887; cv=none; b=UWL2TvWbA5OqrJnUecLAXlEMKOMBtnMbKqdEK/ttMXQ50WFhp0DxcPySgA1/bI9XloY5SSjI59pqstqBnPjLv5+wCII5ouERM0nircxdRBW3hHbihCDIJJvv2DDstZ4OHC0KoeLF3A9z6kyBhawO5ECIIqrqKVz0unub3SFW+ZY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785160887; c=relaxed/simple; bh=0zbRlLGcqwvwnTK8IDDAFbNaJuqvFeAFzOlA5jnFXJY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pGTeQi/QrOQ8RjP05GVBd1OlDH5jV0jgdVSgrvEEucolSAQmgoXJfb1YQ21fnjRf3BEtuXe5wcyQpqeCvc7BYv+400niv6si5wgPaOh7atYg79MeMKIw8HmmQoqUHgl61V3ltkooJjTir2pAq4SJY1aSxKWwjNrc67uKuBFWh2k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=tu-dortmund.de; spf=pass smtp.mailfrom=tu-dortmund.de; dkim=pass (1024-bit key) header.d=tu-dortmund.de header.i=@tu-dortmund.de header.b=bRJGDG+H; arc=none smtp.client-ip=129.217.128.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=tu-dortmund.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tu-dortmund.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=tu-dortmund.de header.i=@tu-dortmund.de header.b="bRJGDG+H" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tu-dortmund.de; s=unimail; t=1785160673; bh=1RRKFbtqutSQALBCUn6Uvt/BonbVMk2Qvmgh0vg2vHE=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=bRJGDG+HPUmXSL5XDGregzXES8P/aqDgayX2oQzmZ4xxSiu6y4F/e8/ux9oxURlIw Wim9LNsc4TP7QZhEHM17VJ4kyLWSg5cFh4wtXIkUUexP8IcD4p3ILwltGFSWmBhtFD XhyaugSARa/r2RYSz+Wau6HjDT5F3y2jQ+jUAz44= Received: from [129.217.186.176] ([129.217.186.176]) (authenticated bits=0) by unimail.uni-dortmund.de (8.19.0.2/8.19.0.2) with ESMTPSA id 66RDvqhU013958 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Mon, 27 Jul 2026 15:57:52 +0200 (CEST) Message-ID: Date: Mon, 27 Jul 2026 15:57:51 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net v3] tun/tap & vhost-net: make qdisc backpressure opt-in via IFF_BACKPRESSURE To: "Michael S. Tsirkin" Cc: Willem de Bruijn , Jason Wang , "David S . Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, Simon Horman , Jonathan Corbet , Shuah Khan , Andrew Lunn , Tim Gebauer , Brett Sheffield , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Jakub Kicinski References: <20260709095511.168235-1-simon.schippers@tu-dortmund.de> <20260714092506-mutt-send-email-mst@kernel.org> <5016ae84-7049-4a5f-91c9-ba0047b06ee3@tu-dortmund.de> <5089fc5e-2fb8-41fb-9aab-42b22cc2c201@tu-dortmund.de> <20260721105853-mutt-send-email-mst@kernel.org> <20260721100715.5b43412d@kernel.org> <20260722020611-mutt-send-email-mst@kernel.org> <8814700c-7549-4d12-b657-c990dfeec14f@tu-dortmund.de> <20260722040722-mutt-send-email-mst@kernel.org> <20260722072631.21b57e1e@kernel.org> Content-Language: en-US From: Simon Schippers In-Reply-To: <20260722072631.21b57e1e@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/22/26 16:26, Jakub Kicinski wrote: > On Wed, 22 Jul 2026 04:09:25 -0400 Michael S. Tsirkin wrote: >>> Would be great if you could do the revert. >>> I don't want to mess it up. :P >>> >>> For the re-apply: >>> I can post a v13 to net-next soon with the flag included >>> into the existing commits. >>> Or would you rather take v12 plus this opt-in commit as-is? >>> >>> Thanks! >> >> jacub if the revert goes into next what is the process to >> target a patch on top of it for net-next? Thanks! > > misheal, revert will be merged to net and reach net-next on Thu after > the downstream PR, at which point you can post the net-next patch. Hi Michael, do you have this on your radar? Thanks!