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[165.204.72.6]) by smtp.gmail.com with ESMTPSA id j26-20020a05600c1c1a00b0040e3804ea71sm1002466wms.10.2024.01.05.01.35.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Jan 2024 01:35:07 -0800 (PST) Message-ID: <160df81d-e5fa-4798-96d4-5ab1809a9680@gmail.com> Date: Fri, 5 Jan 2024 10:35:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/7] dma-buf: heaps: Add secure heap Content-Language: en-US To: Jeffrey Kardatzke , Simon Ser Cc: Pekka Paalanen , Joakim Bech , Yong Wu , Rob Herring , Sumit Semwal , christian.koenig@amd.com, Matthias Brugger , dri-devel@lists.freedesktop.org, John Stultz , Krzysztof Kozlowski , Benjamin Gaignard , Vijayanand Jitta , Nicolas Dufresne , jianjiao.zeng@mediatek.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, Conor Dooley , linaro-mm-sig@lists.linaro.org, linux-mediatek@lists.infradead.org, tjmercier@google.com, linux-arm-kernel@lists.infradead.org, AngeloGioacchino Del Regno , kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org References: <20231212024607.3681-1-yong.wu@mediatek.com> <20231213110517.6ce36aca@eldfell> <20231213101549.lioqfzjxcvmqxqu3@pop-os.localdomain> <20231213133825.0a329864@eldfell> <20231213132229.q3uxdhtdsxuzw3w6@pop-os.localdomain> <20231213161614.43e5bca8@eldfell> <9m8eC1j8YSwxu9Mr8vCXyzF0nfyCSHpFbfc__FtUjjKppew65jElBbUqa-nkzFTN-N_ME893w0YQRcb3r3UbIajQUP-Y5LxnHKKFoiBepSI=@emersion.fr> From: =?UTF-8?Q?Christian_K=C3=B6nig?= In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240105_013512_451355_6FA770CC X-CRM114-Status: GOOD ( 21.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org QW0gMDQuMDEuMjQgdW0gMjA6NTAgc2NocmllYiBKZWZmcmV5IEthcmRhdHprZToKPiBBbnkgZmVl ZGJhY2sgZnJvbSBtYWludGFpbmVycyBvbiB3aGF0IHRoZWlyIHByZWZlcmVuY2UgaXM/ICBJJ20g ZmluZQo+IHdpdGggJ3Jlc3RyaWN0ZWQnIGFzIHdlbGwsIGJ1dCB0aGUgbWFpbiByZWFzb24gd2Ug Y2hvc2Ugc2VjdXJlIHdhcwo+IGJlY2F1c2Ugb2YgaXRzIHVzZSBpbiBBUk0gbm9tZW5jbGF0dXJl IGFuZCB0aGlzIGlzIG1vcmUgZm9yIEFSTSB1c2FnZQo+IHRoYW4geDg2LgoKV2VsbCBBTUQgY2Fs bHMgdGhpcyAidHJ1c3RlZCIsIGJ1dCBJIHRoaW5rIHRoYXQncyBqdXN0IHNsaWdodGx5IGJldHRl ciAKdGhhbiAic2VjdXJlIi4KCisxIGZvciB1c2luZyAicmVzdHJpY3RlZCIgY2F1c2UgdGhhdCBz ZWVtcyB0byBtYXRjaCB0aGUgdGVjaG5pY2FsIApjb25zZXF1ZW5jZXMuCgpSZWdhcmRzLApDaHJp c3RpYW4uCgo+Cj4gVGhlIG1haW4gZGlmZmVyZW5jZSB3aXRoIHNpbWlsYXIgYnVmZmVycyBvbiBB TUQvSW50ZWwgaXMgdGhhdCB3aXRoCj4gQU1EL0ludGVsIHRoZSBidWZmZXJzIGFyZSBtYXBwYWJs ZSBhbmQgcmVhZGFibGUgYnkgdGhlIENQVSBpbiB0aGUKPiBrZXJuZWwuIFRoZSBwcm9ibGVtIGlz IHRoZWlyIGNvbnRlbnRzIGFyZSBlbmNyeXB0ZWQgc28geW91IGdldCBqdW5rCj4gYmFjayBpZiB5 b3UgZG8gdGhhdC4gT24gQVJNLCB0aGUgYnVmZmVycyBhcmUgY29tcGxldGVseSBpbmFjY2Vzc2li bGUKPiBieSB0aGUga2VybmVsIGFuZCB0aGUgbWVtb3J5IGNvbnRyb2xsZXIgcHJldmVudHMgYWNj ZXNzIHRvIHRoZW0KPiBjb21wbGV0ZWx5IGZyb20gdGhlIGtlcm5lbC4KPgo+IFRoZXJlIGFyZSBh bHNvIG90aGVyIHVzZSBjYXNlcyBmb3IgdGhpcyB3aGVyZSB0aGUgaHlwZXJ2aXNvciBpcyB3aGF0 Cj4gaXMgY29udHJvbGxpbmcgYWNjZXNzIChzZWNvbmQgc3RhZ2UgaW4gdGhlIE1NVSBpcyBwcm92 aWRpbmcKPiBpc29sYXRpb24pLi4uLmFuZCBpbiB0aGF0IGNhc2UgSSBkbyBhZ3JlZSB0aGF0ICdz ZWN1cmUnIHdvdWxkIG5vdCBiZQo+IHRoZSByaWdodCB0ZXJtaW5vbG9neSBmb3IgdGhvc2UgdHlw ZXMgb2YgYnVmZmVycy4gICBTbyBJIGRvIGFncmVlCj4gc29tZXRoaW5nIG90aGVyIHRoYW4gJ3Nl Y3VyZScgaXMgcHJvYmFibHkgYSBiZXR0ZXIgb3B0aW9uIG92ZXJhbGwuCj4KPgo+IE9uIEZyaSwg RGVjIDIyLCAyMDIzIGF0IDE6NDDigK9BTSBTaW1vbiBTZXIgPGNvbnRhY3RAZW1lcnNpb24uZnI+ IHdyb3RlOgo+PiBPbiBXZWRuZXNkYXksIERlY2VtYmVyIDEzdGgsIDIwMjMgYXQgMTU6MTYsIFBl a2thIFBhYWxhbmVuIDxwcGFhbGFuZW5AZ21haWwuY29tPiB3cm90ZToKPj4KPj4+Pj4gSXQgaXMg cHJvdGVjdGVkL3NoaWVsZGVkL2ZvcnRpZmllZCBmcm9tIGFsbCB0aGUga2VybmVsIGFuZCB1c2Vy c3BhY2UsCj4+Pj4+IGJ1dCBhIG1vcmUgZmFtaWxpYXIgd29yZCB0byBkZXNjcmliZSB0aGF0IGlz IGluYWNjZXNzaWJsZS4KPj4+Pj4gIkluYWNjZXNzaWJsZSBidWZmZXIiIHBlciBzZSBPVE9IIHNv dW5kcyBsaWtlIGEgdXNlbGVzcyBjb25jZXB0Lgo+Pj4+Pgo+Pj4+PiBJdCBpcyBub3Qgc2VjdXJl LCBiZWNhdXNlIGl0IGRvZXMgbm90IGludm9sdmUgc2VjdXJpdHkgaW4gYW55IHdheS4gSW4KPj4+ Pj4gZmFjdCwgZ2l2ZW4gaXQncyBzbyBmcmFnaWxlLCBJJ2QgY2xhc3NpZnkgaXQgYXMgbWlsZGx5 IG9wcG9zaXRlIG9mCj4+Pj4+IHNlY3VyZSwgYXMgZS5nLiBjbGllbnRzIG9mIGEgV2F5bGFuZCBj b21wb3NpdG9yIGNhbiBwb3RlbnRpYWxseSBEb1MgdGhlCj4+Pj4+IGNvbXBvc2l0b3Igd2l0aCBp dCBieSBzaW1wbHkgc2VuZGluZyBzdWNoIGEgZG1hYnVmLiBPciBEb1MgdGhlIHdob2xlCj4+Pj4+ IHN5c3RlbS4KPj4+PiBJIGhlYXIgd2hhdCB5b3UgYXJlIHNheWluZyBhbmQgRG9TIGlzIGEga25v d24gcHJvYmxlbSBhbmQgYXR0YWNrIHZlY3RvciwKPj4+PiBidXQgcmVnYXJkbGVzcywgd2UgaGF2 ZSB1c2UgY2FzZXMgd2hlcmUgd2UgZG9uJ3Qgd2FudCB0byBleHBvc2UKPj4+PiBpbmZvcm1hdGlv biBpbiB0aGUgY2xlYXIgYW5kIHdoZXJlIHdlIGFsc28gd291bGQgbGlrZSB0byBoYXZlIHNvbWUK Pj4+PiBndWFyYW50ZWVzIGFib3V0IGNvcnJlY3RuZXNzLiBUaGF0IGlzIHdoZXJlIHZhcmlvdXMg c2VjdXJlIGVsZW1lbnRzIGFuZAo+Pj4+IG1vcmUgZ2VuZXJhbGx5IHNlY3VyaXR5IGlzIG5lZWRl ZC4KPj4+Pgo+Pj4+IFNvLCBpdCBzb3VuZHMgbGlrZSB3ZSBoYXZlIHR3byB0aGluZ3MgaGVyZSwg dGhlIGZpcnN0IGlzIHRoZSBuYW1pbmcgYW5kCj4+Pj4gdGhlIG1lYW5pbmcgYmVoaW5kIGl0LiBJ J20gcHJldHR5IHN1cmUgdGhlIHBlb3BsZSBmb2xsb3dpbmcgYW5kCj4+Pj4gY29udHJpYnV0aW5n IHRvIHRoaXMgdGhyZWFkIGNhbiBhZ3JlZSBvbiBhIG5hbWUgdGhhdCBtYWtlcyBzZW5zZS4gV291 bGQKPj4+PiB5b3UgcGVyc29uYWxseSBiZSBPSyB3aXRoICJyZXN0cmljdGVkIiBhcyB0aGUgbmFt ZT8gSXQgc291bmRzIGxpa2UgdGhhdC4KPj4+IEkgd291bGQuIEknbSBhbHNvIGp1c3QgYSBieS1z dGFuZGVyLCBub3QgYSBtYWludGFpbmVyIG9mIGtlcm5lbAo+Pj4gYW55dGhpbmcuIEkgaGF2ZSBu byBwb3dlciB0byBhY2NlcHQgbm9yIHJlamVjdCBhbnl0aGluZyBoZXJlLgo+PiBJJ2QgYWxzbyBw ZXJzb25hbGx5IGJlIE9LIHdpdGggInJlc3RyaWN0ZWQiLCBJIHRoaW5rIGl0J3MgYSBsb3QgYmV0 dGVyCj4+IHRoYW4gInNlY3VyZSIuCj4+Cj4+IEluIGdlbmVyYWwgSSBhZ3JlZSB3aXRoIGV2ZXJ5 dGhpbmcgUGVra2Egc2FpZC4KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVs QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9s aXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==