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[109.252.193.102]) by smtp.googlemail.com with ESMTPSA id 2sm914499ljf.61.2021.04.27.22.44.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Apr 2021 22:44:18 -0700 (PDT) Subject: Re: [PATCH v2 0/5] iommu: Support identity mappings of reserved-memory regions To: Krishna Reddy , Thierry Reding , Joerg Roedel , Rob Herring References: <20210423163234.3651547-1-thierry.reding@gmail.com> <869ec3a2-26df-2ce8-bd21-b681d6ef3985@gmail.com> From: Dmitry Osipenko Message-ID: Date: Wed, 28 Apr 2021 08:44:17 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Cc: "devicetree@vger.kernel.org" , Will Deacon , "iommu@lists.linux-foundation.org" , Nicolin Chen , "linux-tegra@vger.kernel.org" , 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" MjcuMDQuMjAyMSAyMTozMCwgS3Jpc2huYSBSZWRkeSDQv9C40YjQtdGCOgo+PiBJcyBpdCBhbHdh eXMgc2FmZSB0byBlbmFibGUgU01NVSBBU0lEIGluIGEgbWlkZGxlIG9mIGEgRE1BIHJlcXVlc3Qg bWFkZSBieSBhCj4+IG1lbW9yeSBjbGllbnQ/Cj4gCj4gRnJvbSBNQyBwb2ludCBvZiB2aWV3LCBJ dCBpcyBzYWZlIHRvIGVuYWJsZSBhbmQgaGFzIGJlZW4gdGhpcyB3YXkgZnJvbSBtYW55IHllYXJz IGluIGRvd25zdHJlYW0gY29kZSBmb3IgZGlzcGxheSBlbmdpbmUuCj4gSXQgZG9lc24ndCBpbXBh Y3QgdGhlIHRyYW5zYWN0aW9ucyB0aGF0IGhhdmUgYWxyZWFkeSBieXBhc3NlZCBTTU1VIGJlZm9y ZSBlbmFibGluZyBTTU1VIEFTSUQuIAo+IFRyYW5zYWN0aW9ucyB0aGF0IGFyZSB5ZXQgdG8gcGFz cyBTTU1VIHN0YWdlIHdvdWxkIGdvIHRocm91Z2ggU01NVSBvbmNlIFNNTVUgQVNJRCBpcyBlbmFi bGVkIGFuZCB2aXNpYmxlLgoKSGVsbG8sCgpUaGFuayB5b3UgZm9yIHRoZSBhbnN3ZXIuIENvdWxk IHlvdSBwbGVhc2UgZ2l2ZSBtb3JlIGluZm9ybWF0aW9uIGFib3V0OgoKMSkgQXJlIHlvdSBvbiBz b2Z0d2FyZSBvciBoYXJkd2FyZSB0ZWFtLCBvciBib3RoPwoKMikgSXMgU01NVSBhIHRoaXJkIHBh cnR5IElQIG9yIGRldmVsb3BlZCBpbi1ob3VzZT8KCjMpIERvIHlvdSBoYXZlIGEgZGlyZWN0IGFj Y2VzcyB0byBIREwgc291cmNlcz8gQXJlIHlvdSAxMDAlIHN1cmUgdGhhdApoYXJkd2FyZSBkb2Vz IHdoYXQgeW91IHNheT8KCjQpIFdoYXQgaGFwcGVucyB3aGVuIENQVSB3cml0ZXMgdG8gQVNJRCBy ZWdpc3Rlcj8gRG9lcyBTTU1VIHN0YXRlCm1hY2hpbmUgbGF0Y2ggQVNJRCBzdGF0dXMgKG1ha2lu ZyBpdCB2aXNpYmxlKSBvbmx5IGF0IGEgc2luZ2xlICJzYWZlIiBwb2ludD8KX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0Cmlv bW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0 aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11