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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB511C433EF for ; Tue, 25 Jan 2022 06:20:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244651AbiAYGTt (ORCPT ); Tue, 25 Jan 2022 01:19:49 -0500 Received: from mga12.intel.com ([192.55.52.136]:19009 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1391793AbiAYFKj (ORCPT ); Tue, 25 Jan 2022 00:10:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643087439; x=1674623439; h=cc:subject:to:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=V9CYJ2kCUBsupqpOKFqBBwFqKIJsJUlTvgIb6c/puoE=; b=T7CiCInR6GEr1rc7oRsrGhQTgZGmqXUbbgK22Faz7/PYWgcNbIsxj0eV JrkD34/An/jqzKaIR3LX3YU1Swm5CyFjdTwoK5zgLkh48HuRL8l6u2Sx1 +7dCi5jT+YnV58pl21+Cs2GZCRpQHdyvZPos/A8hmJkucaUkQ1YRg3+a9 LWVultPjdpkJ5Xba9PG61XKzLz/MDaycRJQIbWy5wP1YQ5Z7ODQV1qjnm JE2tjuGeQFEPdIN7GuNjIrJkIN9XAha5nPp3jTmc6fVBRf6jy51LFtALk M1rq/JjlWBMT2Q3L8ewabqYpZVRs3Ix8lj1GnYZZUvY/9jI8CZ/eagVFe A==; X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="226198648" X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="226198648" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2022 21:05:47 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="534564947" Received: from allen-box.sh.intel.com (HELO [10.239.159.118]) ([10.239.159.118]) by orsmga008.jf.intel.com with ESMTP; 24 Jan 2022 21:05:43 -0800 Cc: baolu.lu@linux.intel.com, Joerg Roedel , Christoph Hellwig , Ben Skeggs , Kevin Tian , Ashok Raj , Will Deacon , Robin Murphy , Alex Williamson , Eric Auger , Liu Yi L , Jacob jun Pan , David Airlie , Daniel Vetter , Thierry Reding , Jonathan Hunter , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 7/7] iommu: Add iommu_domain::domain_ops To: Jason Gunthorpe References: <20220124071103.2097118-1-baolu.lu@linux.intel.com> <20220124071103.2097118-8-baolu.lu@linux.intel.com> <20220124175542.GA987164@nvidia.com> From: Lu Baolu Message-ID: <6fd81c95-6fd6-d678-b7df-f2f747e2b10c@linux.intel.com> Date: Tue, 25 Jan 2022 13:04:43 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20220124175542.GA987164@nvidia.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/25/22 1:55 AM, Jason Gunthorpe wrote: > On Mon, Jan 24, 2022 at 03:11:02PM +0800, Lu Baolu wrote: >> - int (*enable_nesting)(struct iommu_domain *domain); > > > Lu, there is an implementation in the Intel driver here, is it usable > at all? It's useless and I have cleaned it up in this series. > > Jason > Best regards, baolu