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E=Sophos;i="5.88,194,1635231600"; d="scan'208";a="235757541" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2021 17:23:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,194,1635231600"; d="scan'208";a="516558392" Received: from allen-box.sh.intel.com (HELO [10.239.159.118]) ([10.239.159.118]) by orsmga008.jf.intel.com with ESMTP; 09 Dec 2021 17:23:29 -0800 Subject: Re: [PATCH v3 04/18] driver core: platform: Add driver dma ownership management To: Jason Gunthorpe , Greg Kroah-Hartman , Christoph Hellwig References: <20211206015903.88687-1-baolu.lu@linux.intel.com> <20211206015903.88687-5-baolu.lu@linux.intel.com> <20211206150647.GE4670@nvidia.com> <56a63776-48ca-0d6e-c25c-016dc016e0d5@linux.intel.com> <20211207131627.GA6385@nvidia.com> From: Lu Baolu Message-ID: Date: Fri, 10 Dec 2021 09:23:19 +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: Content-Language: en-US Cc: Stuart Yoder , rafael@kernel.org, David Airlie , linux-pci@vger.kernel.org, Thierry Reding , Diana Craciun , Dmitry Osipenko , Will Deacon , Ashok Raj , Jonathan Hunter , Kevin Tian , Chaitanya Kulkarni , Alex Williamson , kvm@vger.kernel.org, Bjorn Helgaas , Dan Williams , Cornelia Huck , linux-kernel@vger.kernel.org, Li Yang , iommu@lists.linux-foundation.org, Jacob jun Pan , Daniel Vetter , Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" SGkgR3JlZywgSmFzb24gYW5kIENocmlzdG9waCwKCk9uIDEyLzkvMjEgOToyMCBBTSwgTHUgQmFv bHUgd3JvdGU6Cj4gT24gMTIvNy8yMSA5OjE2IFBNLCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4+ 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