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[23.128.96.32]) by mx.google.com with ESMTPS id j191-20020a6380c8000000b0056513361b4fsi23288679pgd.741.2023.09.30.12.31.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Sep 2023 12:31:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=1RyzUb0d; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 4E08580870F0; Sat, 30 Sep 2023 11:30:15 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234695AbjI3SaF (ORCPT + 99 others); Sat, 30 Sep 2023 14:30:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230505AbjI3SaE (ORCPT ); Sat, 30 Sep 2023 14:30:04 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F186AD3 for ; Sat, 30 Sep 2023 11:30:02 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 110ACC433C7; Sat, 30 Sep 2023 18:30:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1696098602; bh=Y4imC89W3KdMY2UPdzMV4XPUqHsU4iC+LIa8tI7NQ8g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=1RyzUb0dql97BmSTWWXH4WElBuESRh1nfdjAYmTH6vuLq7CQYn81zMxLMOFAd/clX iF+kliizT2sMMAonxvxRvneMRkqHLihK8T/2wT2afNvjL8A1K1mlo4KXLJcHHMSGmr Y47tDVyqgVi4Hl20otmWlcRMF8i+XqmAWjqicUL0= Date: Sat, 30 Sep 2023 20:29:59 +0200 From: Greg Kroah-Hartman To: Jerry Snitselaar Cc: Chris Leech , Christoph Hellwig , Rasesh Mody , Ariel Elior , Sudarsana Kalluru , Manish Chopra , Nilesh Javali , Manish Rangankar , John Meneghini , Lee Duncan , Mike Christie , Hannes Reinecke , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT Message-ID: <2023093003-city-pursuant-956e@gregkh> References: <20230929170023.1020032-1-cleech@redhat.com> <20230929170023.1020032-4-cleech@redhat.com> <2023093055-gotten-astronomy-a98b@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Sat, 30 Sep 2023 11:30:15 -0700 (PDT) On Sat, Sep 30, 2023 at 02:10:50AM -0700, Jerry Snitselaar wrote: > [1] https://github.com/open-iscsi/open-iscsi/blob/master/iscsiuio/README That's IP offload, not what UIO is supposed to be for at all (yes, I know DPDK abuses this api as well, and I hate it.) But this is on a network card, it shouldn't need UIO. Why is iscsi somehow "special" for this? still confused, greg k-h