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[79.139.237.54]) by smtp.googlemail.com with ESMTPSA id k1sm4662630lja.27.2020.06.15.09.32.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Jun 2020 09:32:13 -0700 (PDT) Subject: Re: [PATCH v2] iommu/tegra-smmu: Add missing locks around mapping operations From: Dmitry Osipenko To: Thierry Reding , Joerg Roedel , Jonathan Hunter References: <20200525195437.14341-1-digetx@gmail.com> Message-ID: Date: Mon, 15 Jun 2020 19:32:12 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200525195437.14341-1-digetx@gmail.com> Content-Language: en-US Cc: linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org, linux-kernel@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" MjUuMDUuMjAyMCAyMjo1NCwgRG1pdHJ5IE9zaXBlbmtvINC/0LjRiNC10YI6Cj4gVGhlIG1hcHBp bmcgb3BlcmF0aW9ucyBvZiB0aGUgVGVncmEgU01NVSBkcml2ZXIgYXJlIHN1YmplY3RlZCB0byBh IHJhY2UKPiBjb25kaXRpb24gaXNzdWVzIGJlY2F1c2UgU01NVSBBZGRyZXNzIFNwYWNlIGlzbid0 IGFsbG9jYXRlZCBhbmQgZnJlZWQKPiBhdG9taWNhbGx5LCB3aGlsZSBpdCBzaG91bGQgYmUuIFRo aXMgcGF0Y2ggbWFrZXMgdGhlIG1hcHBpbmcgb3BlcmF0aW9ucwo+IGF0b21pYywgaXQgZml4ZXMg YW4gYWNjaWRlbnRhbGx5IHJlbGVhc2VkIEhvc3QxeCBBZGRyZXNzIFNwYWNlIHByb2JsZW0KPiB3 aGljaCBoYXBwZW5zIHdoaWxlIHJ1bm5pbmcgbXVsdGlwbGUgZ3JhcGhpY3MgdGVzdHMgaW4gcGFy YWxsZWwgb24KPiBUZWdyYTMwLCBpLmUuIGJ5IGhhdmluZyBtdWx0aXBsZSB0aHJlYWRzIHJhY2lu ZyB3aXRoIGVhY2ggb3RoZXIgaW4gdGhlCj4gSG9zdDF4J3Mgc3VibWlzc2lvbiBhbmQgY29tcGxl dGlvbiBjb2RlIHBhdGhzLCBwZXJmb3JtaW5nIElPVkEgbWFwcGluZ3MKPiBhbmQgdW5tYXBwaW5n cyBpbiBwYXJhbGxlbC4KPiAKPiBDYzogPHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmc+Cj4gU2lnbmVk LW9mZi1ieTogRG1pdHJ5IE9zaXBlbmtvIDxkaWdldHhAZ21haWwuY29tPgo+IC0tLQo+IAo+IENo YW5nZWxvZzoKPiAKPiB2MjogLSBOb3cgdXNpbmcgbXV0ZXggaW5zdGVhZCBvZiBzcGlubG9jay4K PiAKPiAgICAgLSBUaGUgX2xvY2tlZCBwb3N0Zml4IGlzIHJlcGxhY2VkIHdpdGggdGhlIHVuZGVy c2NvcmVzIHByZWZpeC4KPiAKCkhlbGxvIFRoaWVycnkgYW5kIEpvZXJnIQoKR3V5cywgYXJlIHlv dSBva2F5IHdpdGggdGhlIHYyIHZhcmlhbnQ/IFdpbGwgYmUgZ3JlYXQgaWYgd2UgY291bGQgZml4 CnRoZSBpc3N1ZSBBU0FQIHNpbmNlIGl0J3MgcXVpdGUgdW5wbGVhc2FudC4gVGhhbmtzIGluIGFk dmFuY2UhCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlv bW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczov L2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==