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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 33597C4332F for ; Wed, 14 Dec 2022 09:15:05 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5Nqf-0002oj-WE; Wed, 14 Dec 2022 04:14:46 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5NqJ-0002bX-Nq for qemu-devel@nongnu.org; Wed, 14 Dec 2022 04:14:26 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5NqH-0000Lb-W3 for qemu-devel@nongnu.org; Wed, 14 Dec 2022 04:14:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1671009258; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=sC9DhjOUMd9ocx3TKWUvxPYoH1T97NOWLNb64o78S+o=; b=Y9O4FpI74C45DWsIzUI1diMHeeyfvfgBSJMJCdSHACbtbjnHL+TPNJpd5EHCpAX2Q4+j78 6yQ0iF20F/B/Mau/er735ezJgk5HCrs+egSod4tW0GlhoTybogR2BrvAyn7wAyXomMBEZ3 nWqfzmXfNSOmi6y27AeLzfh6gw2jJSU= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-648-1Tse9lH1PwqA3yNnjbapuQ-1; Wed, 14 Dec 2022 04:14:15 -0500 X-MC-Unique: 1Tse9lH1PwqA3yNnjbapuQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 4706985A588; Wed, 14 Dec 2022 09:14:15 +0000 (UTC) Received: from redhat.com (unknown [10.33.36.128]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 035F12166B26; Wed, 14 Dec 2022 09:14:13 +0000 (UTC) Date: Wed, 14 Dec 2022 09:14:09 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Peter Xu Cc: qemu-devel@nongnu.org, Juan Quintela , Leonardo Bras Soares Passos , Manish Mishra , "Dr . David Alan Gilbert" Subject: Re: [PATCH 1/5] io: Add support for MSG_PEEK for socket channel Message-ID: References: <20221213213850.1481858-1-peterx@redhat.com> <20221213213850.1481858-2-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20221213213850.1481858-2-peterx@redhat.com> User-Agent: Mutt/2.2.7 (2022-08-07) X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, Dec 13, 2022 at 04:38:46PM -0500, Peter Xu wrote: > From: "manish.mishra" > > MSG_PEEK reads from the peek of channel, The data is treated as > unread and the next read shall still return this data. This > support is currently added only for socket class. Extra parameter > 'flags' is added to io_readv calls to pass extra read flags like > MSG_PEEK. > > Reviewed-by: Daniel P. Berrang?? Suggested-by: Daniel P. Berrang??