From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4EA0C433DF for ; Thu, 11 Jun 2020 14:24:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92F2B2065C for ; Thu, 11 Jun 2020 14:24:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726936AbgFKOYL (ORCPT ); Thu, 11 Jun 2020 10:24:11 -0400 Received: from www62.your-server.de ([213.133.104.62]:57332 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726414AbgFKOYL (ORCPT ); Thu, 11 Jun 2020 10:24:11 -0400 Received: from sslproxy02.your-server.de ([78.47.166.47]) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1jjO7i-0007xP-3y; Thu, 11 Jun 2020 16:24:06 +0200 Received: from [178.196.57.75] (helo=pc-9.home) by sslproxy02.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jjO7h-0001jm-Su; Thu, 11 Jun 2020 16:24:05 +0200 Subject: Re: [PATCH] xdp: fix xsk_generic_xmit errno To: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , Li RongQing , Alexei Starovoitov Cc: Netdev , bpf References: <1591852266-24017-1-git-send-email-lirongqing@baidu.com> From: Daniel Borkmann Message-ID: <2c2fb55d-d442-114a-f0d0-26be219eeeb1@iogearbox.net> Date: Thu, 11 Jun 2020 16:24:05 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.102.3/25840/Thu Jun 11 14:52:31 2020) Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On 6/11/20 10:18 AM, Björn Töpel wrote: > On Thu, 11 Jun 2020 at 07:11, Li RongQing wrote: >> >> propagate sock_alloc_send_skb error code, not set it >> to EAGAIN unconditionally, when fail to allocate skb, >> which maybe causes that user space unnecessary loops >> >> Fixes: 35fcde7f8deb "(xsk: support for Tx)" >> Signed-off-by: Li RongQing > > Thanks! > Acked-by: Björn Töpel > > Alexei/Daniel: This should go into "bpf". Yep, applied, thanks!