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24 May 2022 19:13:23 -0700 Message-ID: <3751d422-924f-81e6-de8e-3e33de38a50f@linux.intel.com> Date: Wed, 25 May 2022 10:13:20 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCH v7 01/10] iommu: Add pasids field in struct iommu_device Content-Language: en-US To: "Tian, Kevin" , Joerg Roedel , Jason Gunthorpe , Christoph Hellwig , "Raj, Ashok" , Will Deacon , Robin Murphy , Jean-Philippe Brucker , "Jiang, Dave" , Vinod Koul References: <20220519072047.2996983-1-baolu.lu@linux.intel.com> <20220519072047.2996983-2-baolu.lu@linux.intel.com> <3c112762-f6e6-0b41-b38f-3bb2995d97cf@linux.intel.com> From: Baolu Lu In-Reply-To: <3c112762-f6e6-0b41-b38f-3bb2995d97cf@linux.intel.com> Cc: Jean-Philippe Brucker , "linux-kernel@vger.kernel.org" , "iommu@lists.linux-foundation.org" , "Pan, Jacob jun" 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" T24gMjAyMi81LzI1IDEwOjAzLCBCYW9sdSBMdSB3cm90ZToKPj4+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2lvbW11L2ludGVsL2RtYXIuYyBiL2RyaXZlcnMvaW9tbXUvaW50ZWwvZG1hci5jCj4+PiBp bmRleCA0ZGU5NjA4MzRhMWIuLjFjM2NmMjY3OTM0ZCAxMDA2NDQKPj4+IC0tLSBhL2RyaXZlcnMv aW9tbXUvaW50ZWwvZG1hci5jCj4+PiArKysgYi9kcml2ZXJzL2lvbW11L2ludGVsL2RtYXIuYwo+ Pj4gQEAgLTExMjYsNiArMTEyNiwxMCBAQCBzdGF0aWMgaW50IGFsbG9jX2lvbW11KHN0cnVjdCBk bWFyX2RyaGRfdW5pdAo+Pj4gKmRyaGQpCj4+Pgo+Pj4gwqDCoMKgwqDCoCByYXdfc3Bpbl9sb2Nr X2luaXQoJmlvbW11LT5yZWdpc3Rlcl9sb2NrKTsKPj4+Cj4+PiArwqDCoMKgIC8qIFN1cHBvcnRz IGZ1bGwgMjAtYml0IFBBU0lEIGluIHNjYWxhYmxlIG1vZGUuICovCj4+PiArwqDCoMKgIGlmIChl Y2FwX3Bhc2lkKGlvbW11LT5lY2FwKSkKPj4+ICvCoMKgwqDCoMKgwqDCoCBpb21tdS0+aW9tbXUu cGFzaWRzID0gMVVMIDw8IDIwOwo+Pj4gKwo+Pgo+PiBzdXBwb3J0ZWQgcGFzaWQgYml0cyBpcyBy ZXBvcnRlZCBieSBlY2FwX3BzcygpLiBJIGRvbid0IHRoaW5rIHdlIHNob3VsZAo+PiBhc3N1bWUg MjBiaXRzIGhlcmUuCj4gCj4gWWVzLiBJIG92ZXJsb29rZWQgdGhpcy4gVGhhbmtzIGZvciByZW1p bmRpbmcuCj4gCj4gQW5vdGhlciB0aGluZyBJIG5lZWQgdG8gaW1wcm92ZSBpcyB0aGF0IHNjYWxh YmxlIG1vZGUgY291bGQgYmUgZGlzYWJsZWQuCj4gVGhpcyBmaWVsZCBzaG91bGQgYmUgMCBpbiB0 aGF0IGNhc2UuCgpJIHdpbGwgY2hhbmdlIGFib3ZlIHRvOgoKKyAgICAgICAgLyoKKyAgICAgICAg ICogQSB2YWx1ZSBvZiBOIGluIFBTUyBmaWVsZCBvZiBlQ2FwIHJlZ2lzdGVyIGluZGljYXRlcyBo YXJkd2FyZQorICAgICAgICAgKiBzdXBwb3J0cyBQQVNJRCBmaWVsZCBvZiBOKzEgYml0cy4KKyAg ICAgICAgICovCisgICAgICAgIGlmIChwYXNpZF9zdXBwb3J0ZWQoaW9tbXUpKQorICAgICAgICAg ICAgICAgIGlvbW11LT5pb21tdS5tYXhfcGFzaWRzID0gMlVMIDw8IGVjYXBfcHNzKGlvbW11LT5l Y2FwKTsKCkJlc3QgcmVnYXJkcywKYmFvbHUKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZv dW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2lvbW11