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[216.228.112.22]) by smtp.gmail.com with ESMTPSA id 132sm11758750pfy.190.2021.09.14.21.45.57 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 14 Sep 2021 21:45:58 -0700 (PDT) Date: Tue, 14 Sep 2021 21:38:06 -0700 From: Nicolin Chen To: Dmitry Osipenko Subject: Re: [PATCH v6 6/6] iommu/tegra-smmu: Add pagetable mappings to debugfs Message-ID: <20210915043806.GA19185@Asurada-Nvidia> References: <20210914013858.31192-1-nicoleotsuka@gmail.com> <20210914013858.31192-7-nicoleotsuka@gmail.com> <31501a62-3312-9f04-3bb8-790d0481746c@gmail.com> <20210914184933.GA32705@Asurada-Nvidia> <25d68aff-323a-df54-45f9-55b22f3089e0@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <25d68aff-323a-df54-45f9-55b22f3089e0@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, jonathanh@nvidia.com, thierry.reding@gmail.com, linux-tegra@vger.kernel.org, will@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" T24gVHVlLCBTZXAgMTQsIDIwMjEgYXQgMTA6MjA6MzBQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtv IHdyb3RlOgo+IDE0LjA5LjIwMjEgMjE6NDksIE5pY29saW4gQ2hlbiDQv9C40YjQtdGCOgo+ID4g T24gVHVlLCBTZXAgMTQsIDIwMjEgYXQgMDQ6Mjk6MTVQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtv IHdyb3RlOgo+ID4+IDE0LjA5LjIwMjEgMDQ6MzgsIE5pY29saW4gQ2hlbiDQv9C40YjQtdGCOgo+ ID4+PiArc3RhdGljIHVuc2lnbmVkIGxvbmcgcGRfcHRfaW5kZXhfaW92YSh1bnNpZ25lZCBpbnQg cGRfaW5kZXgsIHVuc2lnbmVkIGludCBwdF9pbmRleCkKPiA+Pj4gK3sKPiA+Pj4gKwlyZXR1cm4g KChkbWFfYWRkcl90KXBkX2luZGV4ICYgKFNNTVVfTlVNX1BERSAtIDEpKSA8PCBTTU1VX1BERV9T SElGVCB8Cj4gPj4+ICsJICAgICAgICgoZG1hX2FkZHJfdClwdF9pbmRleCAmIChTTU1VX05VTV9Q VEUgLSAxKSkgPDwgU01NVV9QVEVfU0hJRlQ7Cj4gPj4+ICt9Cj4gPj4KPiA+PiBXZSBrbm93IHRo YXQgSU9WQSBpcyBmaXhlZCB0byB1MzIgZm9yIHRoaXMgY29udHJvbGxlci4gQ2FuIHdlIGF2b2lk IGFsbAo+ID4+IHRoZXNlIGRtYV9hZGRyX3QgY2FzdGluZ3M/IEl0IHNob3VsZCBtYWtlIGNvZGUg Y2xlYW5lciBhIHRhZCwgSU1PLgo+ID4gCj4gPiBUZWdyYTIxMCBhY3R1YWxseSBzdXBwb3J0cyAz NC1iaXQgSU9WQS4uLgo+ID4gCj4gCj4gSXQgZG9lc24ndC4gMzQtYml0IGlzIFBBLCAzMi1iaXQg aXMgVkEuCj4gCj4gUXVvdGUgZnJvbSBUMjEwIFRSTToKPiAKPiAiVGhlIFNNTVUgaXMgYSBjZW50 cmFsaXplZCB2aXJ0dWFsLXRvLXBoeXNpY2FsIHRyYW5zbGF0aW9uIGZvciBNU1MuIEl0Cj4gbWFw cyBhIDMyLWJpdCB2aXJ0dWFsIGFkZHJlc3MgdG8gYSAzNC1iaXQgcGh5c2ljYWwgYWRkcmVzcy4g SWYgdGhlCj4gY2xpZW50IGFkZHJlc3MgaXMgNDAgYml0cyB0aGVuIGJpdHMgMzk6MzIgYXJlIGln bm9yZWQuIgoKSWYgeW91IHNjcm9sbCBkb3duIGJ5IGEgY291cGxlIG9mIHNlY3Rpb25zLCB5b3Ug Y2FuIHNlZSAzNC1iaXQKdmlydHVhbCBhZGRyZXNzZXMgaW4gc2VjdGlvbiAxOC42LjEuMjsgYW5k IGlmIGNoZWNraW5nIG9uZSBBU0lECnJlZ2lzdGVyLCB5b3UgY2FuIHNlZSBpdCBtZW50aW9uIHRo ZSBleHRyYSB0d28gYml0cyB2YVszMzozMl0uCgpIb3dldmVyLCB0aGUgZHJpdmVyIGN1cnJlbnRs eSBzZXRzIGl0cyBnZW9tZXRyeS5hcGVydHVyZV9lbmQgdG8KMzItYml0LCBhbmQgd2UgY2FuIG9u bHkgZ2V0IDMyLWJpdCBJT1ZBcyB1c2luZyBQREUgYW5kIFBURSBvbmx5LApzbyBJIHRoaW5rIGl0 IHNob3VsZCBiZSBzYWZlIHRvIHJlbW92ZSB0aGUgY2FzdGluZ3MgaGVyZS4gSSdsbAp3YWl0IGZv ciBhIGNvdXBsZSBvZiBkYXlzIGFuZCBzZWUgaWYgdGhlcmUnZCBiZSBvdGhlciBjb21tZW50cwpm b3IgbWUgdG8gYWRkcmVzcyBpbiBuZXh0IHZlcnNpb24uCgo+IEV2ZW4gaWYgaXQgc3VwcG9ydGVk IG1vcmUgdGhhbiAzMmJpdCwgdGhlbiB0aGUgcmV0dXJuZWQgdWxvbmcgaXMgMzJiaXQsCj4gd2hp Y2ggZG9lc24ndCBtYWtlIHNlbnNlLgoKT24gQVJNNjQgKFRlZ3JhMjEwKSwgaXNuJ3QgdWxvbmcg NjQtYml0PwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpp b21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6 Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vaW9tbXU=