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[109.252.170.211]) by smtp.googlemail.com with ESMTPSA id b14sm2133664lfp.176.2020.09.26.14.41.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 26 Sep 2020 14:41:52 -0700 (PDT) Subject: Re: [PATCH 5/5] iommu/tegra-smmu: Add pagetable mappings to debugfs To: Nicolin Chen References: <20200926080719.6822-1-nicoleotsuka@gmail.com> <20200926080719.6822-6-nicoleotsuka@gmail.com> <0c9ca297-d656-59a5-eefd-00e0c0542c29@gmail.com> <20200926204744.GB4947@Asurada-Nvidia> From: Dmitry Osipenko Message-ID: Date: Sun, 27 Sep 2020 00:41:51 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200926204744.GB4947@Asurada-Nvidia> Content-Language: en-US Cc: linux-kernel@vger.kernel.org, krzk@kernel.org, jonathanh@nvidia.com, iommu@lists.linux-foundation.org, thierry.reding@gmail.com, linux-tegra@vger.kernel.org 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" MjYuMDkuMjAyMCAyMzo0NywgTmljb2xpbiBDaGVuINC/0LjRiNC10YI6Ci4uLgo+Pj4gKwlmb3Ig KHBkX2luZGV4ID0gMDsgcGRfaW5kZXggPCBTTU1VX05VTV9QREU7IHBkX2luZGV4KyspIHsKPj4+ ICsJCXN0cnVjdCBwYWdlICpwdDsKPj4+ICsJCXUzMiAqYWRkcjsKPj4+ICsKPj4+ICsJCWlmICgh YXMtPmNvdW50W3BkX2luZGV4XSB8fCAhcGRbcGRfaW5kZXhdKQo+Pj4gKwkJCWNvbnRpbnVlOwo+ Pj4gKwo+Pj4gKwkJcGRlX2NvdW50Kys7Cj4+PiArCQlwdGVfY291bnQgKz0gYXMtPmNvdW50W3Bk X2luZGV4XTsKPj4+ICsJCXNlcV9wcmludGYocywgIlx0WyVkXSAweCV4ICglZClcbiIsCj4+PiAr CQkJICAgcGRfaW5kZXgsIHBkW3BkX2luZGV4XSwgYXMtPmNvdW50W3BkX2luZGV4XSk7Cj4+PiAr CQlwdCA9IGFzLT5wdHNbcGRfaW5kZXhdOwo+Pj4gKwkJYWRkciA9IHBhZ2VfYWRkcmVzcyhwdCk7 Cj4+Cj4+IFRoaXMgbmVlZHMgYXMtPmxvY2sgcHJvdGVjdGlvbi4KPiAKPiBXaWxsIGFkZCB0aGF0 Lgo+IAo+Pj4gKwkJc2VxX3B1dHMocywgIlx0e1xuIik7Cj4+PiArCQlzZXFfcHJpbnRmKHMsICJc dFx0JS01cyAlLTRzICUxMnMgJTEyc1xuIiwgIlBERSIsICJBVFRSIiwgIlBIWVMiLCAiSU9WQSIp Owo+Pj4gKwkJZm9yIChwdF9pbmRleCA9IDA7IHB0X2luZGV4IDwgU01NVV9OVU1fUFRFOyBwdF9p bmRleCsrKSB7Cj4+PiArCQkJdTY0IGlvdmE7Cj4+PiArCj4+PiArCQkJaWYgKCFhZGRyW3B0X2lu ZGV4XSkKPj4+ICsJCQkJY29udGludWU7Cj4+PiArCj4+PiArCQkJaW92YSA9ICgoZG1hX2FkZHJf dClwZF9pbmRleCAmIChTTU1VX05VTV9QREUgLSAxKSkgPDwgU01NVV9QREVfU0hJRlQ7Cj4+PiAr CQkJaW92YSB8PSAoKGRtYV9hZGRyX3QpcHRfaW5kZXggJiAoU01NVV9OVU1fUFRFIC0gMSkpIDw8 IFNNTVVfUFRFX1NISUZUOwo+Pj4gKwo+Pj4gKwkJCXNlcV9wcmludGYocywgIlx0XHQjJS00ZCAw eCUtNHggMHglLTEybGx4IDB4JS0xMmxseFxuIiwKPj4+ICsJCQkJICAgcHRfaW5kZXgsIGFkZHJb cHRfaW5kZXhdID4+IFNNTVVfUFRFX0FUVFJfU0hJRlQsCj4+PiArCQkJCSAgIFNNTVVfUEZOX1BI WVMoYWRkcltwdF9pbmRleF0gJiB+U01NVV9QVEVfQVRUUiksIGlvdmEpOwoKUGxlYXNlIGFsc28g bm90ZSB0aGF0IHRoZSBhZGRyW3B0X2luZGV4XSBuZWVkcyB0byBiZSBwcm90ZWN0ZWQgYXMgd2Vs bC4KUGVyaGFwcyB5b3UgY291bGQgdGVtcG9yYWxseSBidW1wIHRoZSBhcy0+Y291bnQuCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcg bGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4 Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==