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=-6.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 571C4C433E0 for ; Tue, 26 Jan 2021 21:52:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1EEBE20658 for ; Tue, 26 Jan 2021 21:52:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726502AbhAZVw0 (ORCPT ); Tue, 26 Jan 2021 16:52:26 -0500 Received: from mail.kernel.org ([198.145.29.99]:36814 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727623AbhAZR3s (ORCPT ); Tue, 26 Jan 2021 12:29:48 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id E4D7A22795; Tue, 26 Jan 2021 17:29:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611682147; bh=l4bwtGIcQS7UjrkXD/wBnpPa72hMJnzodlSlvXmSoBg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Lvmyhw+4d6QygVffknt7PE3OsOppwM2abrpBegs6meg1tz5KmtAiMk85b+42H0UrT p8Q/MfeQ8HRq9LFoXPjl+53jTmUagvvyHdxZeILBAS4bzWFyQBQ80dfuG0GaB4JAJ3 ErLaTcOD70QhdsNgHvtZ+SIpcCxaBm0RHWOxgBcgGBj0WyyF/J2z8KrSBvhS4y7KXM ZL2xHFjD/biC8wNKNMLq18YQHucCaUZqllCl8G3G6b17Isr+wJ8oABtRl0/FfvCXCd b2oHjR76rGEB+ZL/SDdUOoRzHwpAu6Zx7+AvbZ5IhZMunXb46WqsU9EAzHFRAO3uXf SkP5acBb8PTaw== Date: Tue, 26 Jan 2021 22:59:03 +0530 From: Vinod Koul To: Dave Jiang Cc: dmaengine@vger.kernel.org Subject: Re: [PATCH v2] dmaengine: idxd: add module parameter to force disable of SVA Message-ID: <20210126172903.GX2771@vkoul-mobl> References: <161134110457.4005461.13171197785259115852.stgit@djiang5-desk3.ch.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <161134110457.4005461.13171197785259115852.stgit@djiang5-desk3.ch.intel.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 22-01-21, 11:46, Dave Jiang wrote: > Add a module parameter that overrides the SVA feature enabling. This keeps > the driver in legacy mode even when intel_iommu=sm_on is set. In this mode, > the descriptor fields must be programmed with dma_addr_t from the Linux DMA > API for source, destination, and completion descriptors. Applied, thanks -- ~Vinod