Received-SPF: pass (google.com: domain of linux-kernel+bounces-199890-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1;
Message-ID: <05211393-84dd-4a59-b627-1fc5ab9b1b3d@linux.intel.com>
Date: Tue, 4 Jun 2024 09:02:40 +0800
Precedence: bulk
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Cc: baolu.lu@linux.intel.com, Yi Liu <yi.l.liu@intel.com>,
 Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
 Robin Murphy <robin.murphy@arm.com>, Kevin Tian <kevin.tian@intel.com>,
 David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
 Kalle Valo <kvalo@kernel.org>, Bjorn Andersson <andersson@kernel.org>,
 Mathieu Poirier <mathieu.poirier@linaro.org>,
 Alex Williamson <alex.williamson@redhat.com>, mst@redhat.com,
 Jason Wang <jasowang@redhat.com>, Thierry Reding <thierry.reding@gmail.com>,
 Jonathan Hunter <jonathanh@nvidia.com>,
 Mikko Perttunen <mperttunen@nvidia.com>, iommu@lists.linux.dev,
 dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/20] iommu: Refactoring domain allocation interface
To: Jason Gunthorpe <jgg@ziepe.ca>
References: <20240529053250.91284-1-baolu.lu@linux.intel.com>
 <efd902f6-eafc-4a26-8057-bdd9d7d6e535@intel.com>
 <a1f2c08a-e92f-4080-b55e-8d6dbd94db78@linux.intel.com>
 <20240603133550.GA21513@ziepe.ca>
Content-Language: en-US
From: Baolu Lu <baolu.lu@linux.intel.com>
In-Reply-To: <20240603133550.GA21513@ziepe.ca>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit

On 6/3/24 9:35 PM, Jason Gunthorpe wrote:
> On Wed, May 29, 2024 at 08:02:12PM +0800, Baolu Lu wrote:
>>>> drivers/infiniband/hw/usnic/usnic_uiom.c:       pd->domain = domain
>>>> = iommu_domain_alloc(dev->bus);
>>>>
>>>> This series leave those cases unchanged and keep iommu_domain_alloc()
>>>> for their usage. But new drivers should not use it anymore.
>>>
>>> does it mean there is still domains allocated via iommu_domain_alloc()
>>> on VT-d platform?
>>
>> I think the drivers mentioned above do not run on x86 platforms, or do
>> they?
> 
> usnic does.. What was preventing converting it?

Nothing, just because it wasn't that obvious. :-) I will convert it in
the next version.

Best regards,
baolu