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=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 59E02C433E0 for ; Thu, 25 Feb 2021 14:37:24 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D3A4064EC3 for ; Thu, 25 Feb 2021 14:37:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3A4064EC3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48720 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lFHla-0000nt-R6 for qemu-devel@archiver.kernel.org; Thu, 25 Feb 2021 09:37:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35458) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lFHk6-0007pP-TS for qemu-devel@nongnu.org; Thu, 25 Feb 2021 09:35:50 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:46348) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lFHk5-0006Rh-D5 for qemu-devel@nongnu.org; Thu, 25 Feb 2021 09:35:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614263748; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=c7Z/QEVPkbUFhJjMrR/ePFYpI2Exz098BZak69kMYss=; b=JPPbjlwQzUj4VxEJJ+clGKL9yPddP4swxb7lUSQFnZJV1JN2xskPVzGSLntYQu2bCBodkN 4hp/jv3e1UXvRLfu7HmYvh9LdqEEDg48dQOR9tibjRUjJhy6taW8P66YB3fuatVbfN9ilo PMT+e0Lefr7/nv5brJcTDZh2na2hgJs= Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-3-fGnsbyqcMWmFsubTLDDCtw-1; Thu, 25 Feb 2021 09:35:46 -0500 X-MC-Unique: fGnsbyqcMWmFsubTLDDCtw-1 Received: by mail-ej1-f72.google.com with SMTP id w22so2505220ejv.18 for ; Thu, 25 Feb 2021 06:35:46 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=c7Z/QEVPkbUFhJjMrR/ePFYpI2Exz098BZak69kMYss=; b=jo7ujdoZ7TBadCB+EGKAp3y+gCOxMOKG/hBlmV0hcVqIpNx8HXNpOX3vFZxaDW2XPg KmuGiT3mKuFd7E+XVwy5s4Q1EEojP3Y0Z4lzLQ1zCbjAqKaSxx8eLjp9RcabHku1aPgg TV+E8m12PuJrj8/b/TdPSt3Bsy59uF2Mgxn6LS9Bae3jMb19BBVCKEWnKd30iDNOgpp/ zVnCcft3IJfW4+QSi9IdSfUh+DDZm7oqjM9xyojVCxZPe9xFOkWWq/w2SlHuuEVgx/Eg sHzOZuNfcUGxiNrrfhPm3IX1tWU3VyoI+2lzUauKK9u9CUG/qOquMm1FmZIiJpRxiEbc uPGw== X-Gm-Message-State: AOAM533FsHIpDSEDfne5oKsMA9nnGssvJ4Iq78D5SVVEMrvuTbYdPd9R nE0jV1H71+eMLCRBPBHxBlV1VudUgc9JPmqKQ9uIpxl0JWTIe3pIPHTTLiTageNp1E69qh26qGc xT+4k0g9/uZmQ4hM= X-Received: by 2002:a50:cd8c:: with SMTP id p12mr3275863edi.114.1614263745365; Thu, 25 Feb 2021 06:35:45 -0800 (PST) X-Google-Smtp-Source: ABdhPJyGcNLRA27uYMRSfdQK0ipq7DWuVAfO7UzzGiDIWWOBcBA2ZjzkfbnVwQt7pl6oN1yY/XWUGg== X-Received: by 2002:a50:cd8c:: with SMTP id p12mr3275854edi.114.1614263745280; Thu, 25 Feb 2021 06:35:45 -0800 (PST) Received: from [192.168.1.36] (68.red-83-57-175.dynamicip.rima-tde.net. [83.57.175.68]) by smtp.gmail.com with ESMTPSA id g3sm3790741edk.75.2021.02.25.06.35.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 25 Feb 2021 06:35:44 -0800 (PST) Subject: Re: [PATCH 6/6] tx_pkt: switch to use qemu_receive_packet_iov() for loopback To: Jason Wang , qemu-devel@nongnu.org References: <20210224055401.492407-1-jasowang@redhat.com> <20210224055401.492407-7-jasowang@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Thu, 25 Feb 2021 15:35:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210224055401.492407-7-jasowang@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.435, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ppandit@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2/24/21 6:54 AM, Jason Wang wrote: > This patch switches to use qemu_receive_receive_iov() which can detect > reentrancy and return early. > > Signed-off-by: Jason Wang > --- > hw/net/net_tx_pkt.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Philippe Mathieu-Daudé