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Tue, 31 May 2022 09:42:42 -0700 (PDT) Message-ID: <80f362fd-8e69-1dcd-ba7a-abfc55894d61@arm.com> Date: Tue, 31 May 2022 17:42:36 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH 01/12] iommu/vt-d: Use iommu_get_domain_for_dev() in debugfs Content-Language: en-GB To: Jason Gunthorpe References: <20220527063019.3112905-1-baolu.lu@linux.intel.com> <20220527063019.3112905-2-baolu.lu@linux.intel.com> <20220527145910.GQ1343366@nvidia.com> <20220530121412.GX1343366@nvidia.com> <42623a73-c288-1c0d-7021-93caff4ffb6f@linux.intel.com> <0b7bd793-a3c7-e7e7-8ef0-214dd5b98f05@arm.com> <20220531155904.GA3726345@nvidia.com> From: Robin Murphy In-Reply-To: <20220531155904.GA3726345@nvidia.com> Cc: Kevin Tian , Ashok Raj , linux-kernel@vger.kernel.org, Christoph Hellwig , iommu@lists.linux-foundation.org, Jacob jun Pan , Will Deacon 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" T24gMjAyMi0wNS0zMSAxNjo1OSwgSmFzb24gR3VudGhvcnBlIHdyb3RlOgo+IE9uIFR1ZSwgTWF5 IDMxLCAyMDIyIGF0IDAyOjUyOjI4UE0gKzAxMDAsIFJvYmluIE11cnBoeSB3cm90ZToKPiAKPj4+ ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgYnJlYWs7Cj4+PiArwqDCoMKgwqDCoMKg wqDCoMKgwqDCoCBwZ3RhYmxlX3dhbGtfbGV2ZWwobSwgcGh5c190b192aXJ0KHBoeXNfYWRkciks Cj4+Cj4+IEFsc28sIG9ibGlnYXRvcnkgcmVtaW5kZXIgdGhhdCBwZm5fdmFsaWQoKSBvbmx5IG1l YW5zIHRoYXQgcGZuX3RvX3BhZ2UoKQo+PiBnZXRzIHlvdSBhIHZhbGlkIHN0cnVjdCBwYWdlLiBX aGV0aGVyIHRoYXQgcGFnZSBpcyBkaXJlY3QtbWFwcGVkIGtlcm5lbAo+PiBtZW1vcnkgb3Igbm90 IGlzIGEgZGlmZmVyZW50IG1hdHRlci4KPiAKPiBFdmVuIHRob3VnaCB0aGlzIGlzIGRlYnVnZnMs IGlmIHRoZSBvcGVyYXRpb24gaXMgc2tldGNoeSBsaWtlIHRoYXQgYW5kCj4gY2FuIHRoZW9ydGlj YWxseSBjcmFzaCB0aGUga2VybmVsIHRoZSBkcml2ZXIgc2hvdWxkIHRlc3QgY2FwYWJpbGl0aWVz LAo+IENBUF9TWVNfUkFXSU8gb3Igc29tZXRoaW5nIG1heSBiZSBhcHByb3ByaWF0ZS4gSSBkb24n dCB0aGluayB3ZSBoYXZlIGEKPiBiZXR0ZXIgY2FwIGZvciAndXNlcnNwYWNlIG1heSBjcmFzaCB0 aGUga2VybmVsJwoKSXQgc2hvdWxkbid0IGJlIGluc3VybW91bnRhYmxlIHRvIG1ha2UgdGhpcyBz YWZlLCBpdCBqdXN0IG5lZWRzIGEgYml0IAptb3JlIHRoYW4gcGZuX3ZhbGlkKCksIHdoaWNoIGNh biBzdGlsbCByZXR1cm4gdHJ1ZSBvZmYgdGhlIGVuZHMgb2YgdGhlIAptZW1vcnkgbWFwIGlmIHRo ZXkncmUgbm90IHBlcmZlY3RseSBzZWN0aW9uLWFsaWduZWQsIGFuZCBmb3IgcmFuZG9tIApyZXNl cnZlZCBob2xlcyBpbiB0aGUgbWlkZGxlLgoKUm9iaW4uCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5s aW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFp bG1hbi9saXN0aW5mby9pb21tdQ==