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[91.76.17.204]) by smtp.googlemail.com with ESMTPSA id j9sm5339418lfe.24.2020.05.25.12.34.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 May 2020 12:34:48 -0700 (PDT) Subject: Re: [PATCH v1] iommu/tegra-smmu: Add missing locks around mapping operations To: Thierry Reding References: <20200524183755.3774-1-digetx@gmail.com> <20200525083556.GA2382769@ulmo> <20200525122016.GB2393266@ulmo> From: Dmitry Osipenko Message-ID: Date: Mon, 25 May 2020 22:34:47 +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: <20200525122016.GB2393266@ulmo> Content-Language: en-US Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Jonathan Hunter 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" MjUuMDUuMjAyMCAxNToyMCwgVGhpZXJyeSBSZWRpbmcg0L/QuNGI0LXRgjoKLi4uCj4gRG8gd2Ug aGF2ZSBhIGdvb2Qgd2F5IHRvIGZpbmQgb3V0IGhvdyBiYWQgZXhhY3RseSB0aGUgY29udGVudGlv biB3b3VsZAo+IGJlIHdoZW4gdXNpbmcgYSBtdXRleD8KCkknbSBub3cgaGF2aW5nIGEgc2Vjb25k IHRob3VnaHQgYWJvdXQgaXQuIFdlIGRvbid0IG5lZWQgdG8gY2FyZSBhYm91dAp0aGF0IHNjZW5h cmlvIGF0IGFsbCBiZWNhdXNlIGl0J3MgYSBzb2Z0d2FyZS1kZXNpZ24gZGVmZWN0IG9mIHRoZQp1 cHN0cmVhbSBIb3N0MXggZHJpdmVyIHRoYXQgaXQgbWFwcyBnYXRoZXJzIGR5bmFtaWNhbGx5LiBU aGUgZGVmZWN0IGNhbgpiZSBmaXhlZCBhbmQgdGhlbiB0aGUgcG90ZW50aWFsIHByb2JsZW0gd29u J3QgZXhpc3QgYXQgYWxsLgoKTmVpdGhlciBvZiB0aGUgZHJpdmVycyB0aGF0IGFyZSB1c2luZyBU ZWdyYSBTTU1VIG5lZWQgdGhlIElPTU1VIG1hcHBpbmcKb3BlcmF0aW9ucyB0byBiZSBwZXJmb3Jt ZWQgdW5kZXIgc3BpbmxvY2ssIHNvIG11dGV4IHdpbGwgYmUgZ29vZCBhCnZhcmlhbnQuIEknbGwg bWFrZSBhIHYyIHdpdGggYSBtdXRleCwgdGhhbmsgeW91IGZvciB0aGUgc3VnZ2VzdGlvbi4KX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGlu ZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGlu dXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11