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 78F76339B2D; Fri, 27 Mar 2026 03:27:23 +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=1774582043; cv=none; b=RvOupAkCEecihkIpaCbarEYzRmlFkNr8YRI2L9nRDFMdoOW0SBln8xiN3HV0n53uc4VF+FMESNSR418CuR96qQ/BsdqySEOr18GkfLkjs3lAxIEUy4fScvDXXGANNBLyz83CqpsVbINvxddJt6QTeiWx5wfbenZjKyeV/w0A/U0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774582043; c=relaxed/simple; bh=Hvswcyf4XcegOhhrt+Ac6iyUCkTQdURX3j0KKowqp8o=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ijS068uoe70Xk5TgewSXpYa+SxTQMZvU4jNZBCm6sR1cQz/fNANaX5l3Vx8js/FtgU6DEpe3Xou2viHCKw5H+gOEIJsemG1bm207AiMJMFRNSrn9AKQcpiJvQmcgg8dWbI8NCqrdiUfqGpCzAElSpvn+RGXwVKfXBAcZ/Yoetm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RKEjTzmY; 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="RKEjTzmY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92FDDC116C6; Fri, 27 Mar 2026 03:27:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774582043; bh=Hvswcyf4XcegOhhrt+Ac6iyUCkTQdURX3j0KKowqp8o=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=RKEjTzmYJSBzzZKe1c6oLTL7JDyvev5Yg7BrQN1lEaqslwQt6tuAGZqZI4avHir+f bmF82R7zGwBkAXFJadTYGme948naVLvtnJ+cxgr3Rh2OXCl19ApQp+6QW6Q8+Q3zEx yyXBQRRjqfN53oVUMIlvhoGrRIb7zlSh+qod8dB7joIeAHs0skHRJvIBcI7dZULnfg u3wtjdDrFN0/9jrBwe4/AI8x2A4M8RL7F2LHiC2+Q1FOtLI30N0V0nhOIhZrOoQw4s J8yCasZg2ZLcgbQl0wI4gdDXsjDYaSsko9cSXpnPeSr79iX6MKDGFBCwDlsYu4T+c4 N8ym2vm6Av6dQ== Date: Thu, 26 Mar 2026 20:27:21 -0700 From: Jakub Kicinski To: Maciej Fijalkowski Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, magnus.karlsson@intel.com, stfomichev@gmail.com, pabeni@redhat.com, horms@kernel.org, larysa.zaremba@intel.com, aleksander.lobakin@intel.com, bjorn@kernel.org, Ihor Solodrai Subject: Re: [PATCH v3 net 0/8] xsk: tailroom reservation and MTU validation Message-ID: <20260326202721.37382070@kernel.org> In-Reply-To: <20260323192457.504631-1-maciej.fijalkowski@intel.com> References: <20260323192457.504631-1-maciej.fijalkowski@intel.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-Transfer-Encoding: 7bit On Mon, 23 Mar 2026 20:24:49 +0100 Maciej Fijalkowski wrote: > here we fix a long-standing issue regarding multi-buffer scenario in ZC > mode - we have not been providing space at the end of the buffer where > multi-buffer XDP works on skb_shared_info. This has been brought to our > attention via [0]. > > Unaligned mode does not get any specific treatment, it is user's > responsibility to properly handle XSK addresses in queues. > > With adjustments included here in this set against xskxceiver I have > been able to pass the full test suite on ice. Please scream at me if I'm wrong but I _think_ this is somehow breaking BPF CI ?? It's the only BPF change we have AFAICT and CI has been failing like this all day: Root directory input is valid! Error: The path for one of the files in artifact is not valid: /packets-132-3-net_timestamping__INET4:_bpf_timestamping-net_timestamping_ns.log. Contains the following character: Colon : Invalid characters include: Double quote ", Colon :, Less than <, Greater than >, Vertical bar |, Asterisk *, Question mark ?, Carriage return \r, Line feed \n https://github.com/kernel-patches/bpf/actions/runs/23624136123/job/68809559810