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07 May 2022 05:39:51 -0700 Message-ID: <86fd8977-1134-02d2-d9e3-19ce58cb9de4@linux.intel.com> Date: Sat, 7 May 2022 20:39:49 +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 v5 04/12] iommu/sva: Basic data structures for SVA Content-Language: en-US From: Baolu Lu To: Jean-Philippe Brucker References: <20220502014842.991097-1-baolu.lu@linux.intel.com> <20220502014842.991097-5-baolu.lu@linux.intel.com> <669fb111-9821-aadc-acbf-de42bc551fc4@linux.intel.com> In-Reply-To: <669fb111-9821-aadc-acbf-de42bc551fc4@linux.intel.com> Cc: Kevin Tian , Dave Jiang , Ashok Raj , Will Deacon , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Christoph Hellwig , Vinod Koul , Jacob jun Pan , Jason Gunthorpe , Jean-Philippe Brucker , 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" T24gMjAyMi81LzcgMTY6MzIsIEJhb2x1IEx1IHdyb3RlOgo+IEhpIEplYW4sCj4gCj4gT24gMjAy Mi81LzUgMTQ6NDIsIEJhb2x1IEx1IHdyb3RlOgo+PiBPbiAyMDIyLzUvNCAwMjowOSwgSmVhbi1Q aGlsaXBwZSBCcnVja2VyIHdyb3RlOgo+Pj4gT24gTW9uLCBNYXkgMDIsIDIwMjIgYXQgMDk6NDg6 MzRBTSArMDgwMCwgTHUgQmFvbHUgd3JvdGU6Cj4+Pj4gVXNlIGJlbG93IGRhdGEgc3RydWN0dXJl cyBmb3IgU1ZBIGltcGxlbWVudGF0aW9uIGluIHRoZSBJT01NVSBjb3JlOgo+Pj4+Cj4+Pj4gLSBz dHJ1Y3QgaW9tbXVfc3ZhX2lvYXMKPj4+PiDCoMKgIFJlcHJlc2VudCB0aGUgSS9PIGFkZHJlc3Mg c3BhY2Ugc2hhcmVkIHdpdGggYW4gYXBwbGljYXRpb24gQ1BVIAo+Pj4+IGFkZHJlc3MKPj4+PiDC oMKgIHNwYWNlLiBUaGlzIHN0cnVjdHVyZSBoYXMgYSAxOjEgcmVsYXRpb25zaGlwIHdpdGggYW4g bW1fc3RydWN0LiBJdAo+Pj4+IMKgwqAgZ3JhYnMgYSAibW0tPm1tX2NvdW50IiByZWZjb3VudCBk dXJpbmcgY3JlYXRpb24gYW5kIGRyb3AgaXQgb24gCj4+Pj4gcmVsZWFzZS4KPj4+Cj4+PiBEbyB3 ZSBhY3R1YWxseSBuZWVkIHRoaXMgc3RydWN0dXJlP8KgIEF0IHRoZSBtb21lbnQgaXQgb25seSBr ZWVwcyAKPj4+IHRyYWNrIG9mCj4+PiBib25kcywgd2hpY2ggd2UgY2FuIG1vdmUgdG8gc3RydWN0 IGRldl9pb21tdS4gUmVwbGFjaW5nIGl0IGJ5IGEgbW0gCj4+PiBwb2ludGVyCj4+PiBpbiBzdHJ1 Y3QgaW9tbXVfZG9tYWluIHNpbXBsaWZpZXMgdGhlIGRyaXZlciBhbmQgc2VlbXMgdG8gd29yawo+ Pgo+PiBGYWlyIGVub3VnaC4KPj4KPj4gK3N0cnVjdCBpb21tdV9zdmFfaW9hcyB7Cj4+ICvCoMKg wqAgc3RydWN0IG1tX3N0cnVjdCAqbW07Cj4+ICvCoMKgwqAgaW9hc2lkX3QgcGFzaWQ7Cj4+ICsK Pj4gK8KgwqDCoCAvKiBDb3VudGVyIG9mIGRvbWFpbnMgYXR0YWNoZWQgdG8gdGhpcyBpb2FzLiAq Lwo+PiArwqDCoMKgIHJlZmNvdW50X3QgdXNlcnM7Cj4+ICsKPj4gK8KgwqDCoCAvKiBBbGwgYmlu ZGluZ3MgYXJlIGxpbmtlZCBoZXJlLiAqLwo+PiArwqDCoMKgIHN0cnVjdCBsaXN0X2hlYWQgYm9u ZHM7Cj4+ICt9Owo+Pgo+PiBCeSBtb3ZpbmcgQG1tIHRvIHN0cnVjdCBpb21tdV9kb21haW4gYW5k IEBib25kcyB0byBzdHJ1Y3QgZGV2X2lvbW11LCB0aGUKPj4gY29kZSBsb29rcyBzaW1wbGVyLiBU aGUgbW0sIHN2YSBkb21haW4gYW5kIHBlci1kZXZpY2UgZGV2X2lvbW11IGFyZQo+PiBndWFyYW50 ZWVkIHRvIGJlIHZhbGlkIGR1cmluZyBiaW5kKCkgYW5kIHVuYmluZCgpLgo+Pgo+PiBXaWxsIGhl YWQgdGhpcyBkaXJlY3Rpb24gaW4gdGhlIG5leHQgdmVyc2lvbi4KPiAKPiBJJ20gdHJ5aW5nIHRv IGltcGxlbWVudCB0aGlzIGlkZWEgaW4gcmVhbCBjb2RlLiBJdCBzZWVtcyB0aGF0IHdlIG5lZWQK PiBhZGRpdGlvbmFsIGZpZWxkcyBpbiBzdHJ1Y3QgaW9tbXVfZG9tYWluIHRvIHRyYWNrIHdoaWNo IGRldmljZXMgdGhlIG1tCj4gd2FzIGJvdW5kIHRvLiBJdCBkb2Vzbid0IHNpbXBsaWZ5IHRoZSBj b2RlIG11Y2guIEFueSB0aG91Z2h0cz8KClNvcnJ5LCBKZWFuLiBUaGlzIGhhcyBiZWVuIGRpc2N1 c3NlZC4gV2UgZG9uJ3QgbmVlZCB0byBzaGFyZSBzdmEgZG9tYWluCmFtb25nIGRldmljZXMgYXQg dGhpcyBzdGFnZS4gSXQncyBub3QgYSBiaWcgaXNzdWUgdG8gc3ZhIGRvbWFpbiBhcyBpdCdzCmEg ZHVtYiBkb21haW4gd2hpY2ggaGFzIG5vIHN1cHBvcnQgZm9yIG1hcCgpL3VubWFwKCkgYW5kIHRo ZSBjYWNoZQptYW5pcHVsYXRpb24uCgpJIHdpbGwgc3RpbGwgaGVhZCB0aGlzIGRpcmVjdGlvbi4g U29ycnkgZm9yIHRoZSBub2lzZS4KCkJlc3QgcmVnYXJkcywKYmFvbHUKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21t dUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlv bi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==