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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 2A6D7C433DB for ; Mon, 1 Mar 2021 06:55:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD43C64E38 for ; Mon, 1 Mar 2021 06:55:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232145AbhCAGzz (ORCPT ); Mon, 1 Mar 2021 01:55:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232113AbhCAGzx (ORCPT ); Mon, 1 Mar 2021 01:55:53 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF755C06174A; Sun, 28 Feb 2021 22:55:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=gBs6DNze8G5n1XddfCf4tpaY7/fmzfb1f0K+dmwmvuc=; b=dfzfy5stjvI7W7v3XjXRUOXOvK 7J1UhRdmoct7nkH+fyCAiaaErmhozT+cKh3yHQaTBFeua10+89hUM7qzp490onUo2+Y9oyuBnlUYM urGMQCa5w2sotJ+1g82Oq773SI7lOvR+EdMeuj67UU1PYhbqeBpbFu2RgI7GoFioC1U0XUAV2Pap6 /S7+aNK48TXenacgOF/kXY8swzIvAfK5CUbOyuAsUXZhZAyCdkon+0kpv7SlX5tpOvngNAQhYZ5FH aJEOQfQQC3jk5O6Y5nNNlmTbafKjRxCM0LTb01xKHz7/KS7LxgFXK38RckQeqVpP300O8/PDYcUkq GsBKIjQA==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lGcSE-00FOax-Gd; Mon, 01 Mar 2021 06:54:55 +0000 Date: Mon, 1 Mar 2021 06:54:54 +0000 From: Christoph Hellwig To: Tianyu Lan Cc: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com, Tianyu Lan , linux-hyperv@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, vkuznets@redhat.com, thomas.lendacky@amd.com, brijesh.singh@amd.com, sunilmut@microsoft.com Subject: Re: [RFC PATCH 12/12] HV/Storvsc: Add bounce buffer support for Storvsc Message-ID: <20210301065454.GA3669027@infradead.org> References: <20210228150315.2552437-1-ltykernel@gmail.com> <20210228150315.2552437-13-ltykernel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210228150315.2552437-13-ltykernel@gmail.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org This should be handled by the DMA mapping layer, just like for native SEV support.