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[109.252.170.211]) by smtp.googlemail.com with ESMTPSA id 201sm1158663ljf.75.2020.09.04.02.19.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 04 Sep 2020 02:19:56 -0700 (PDT) Subject: Re: [PATCH RESEND v3] iommu/tegra-smmu: Add missing locks around mapping operations To: Joerg Roedel References: <20200814162252.31965-1-digetx@gmail.com> <20200904090519.GF6714@8bytes.org> From: Dmitry Osipenko Message-ID: <9f7b042e-db46-dd5b-acb8-9b1e8213fa62@gmail.com> Date: Fri, 4 Sep 2020 12:19:55 +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: <20200904090519.GF6714@8bytes.org> Content-Language: en-US Cc: linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org, Thierry Reding , linux-kernel@vger.kernel.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" MDQuMDkuMjAyMCAxMjowNSwgSm9lcmcgUm9lZGVsINC/0LjRiNC10YI6Cj4gT24gRnJpLCBBdWcg MTQsIDIwMjAgYXQgMDc6MjI6NTJQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtvIHdyb3RlOgo+PiBU aGUgbWFwcGluZyBvcGVyYXRpb25zIG9mIHRoZSBUZWdyYSBTTU1VIGRyaXZlciBhcmUgc3ViamVj dGVkIHRvIGEgcmFjZQo+PiBjb25kaXRpb24gaXNzdWVzIGJlY2F1c2UgU01NVSBBZGRyZXNzIFNw YWNlIGlzbid0IGFsbG9jYXRlZCBhbmQgZnJlZWQKPj4gYXRvbWljYWxseSwgd2hpbGUgaXQgc2hv dWxkIGJlLiBUaGlzIHBhdGNoIG1ha2VzIHRoZSBtYXBwaW5nIG9wZXJhdGlvbnMKPj4gYXRvbWlj LCBpdCBmaXhlcyBhbiBhY2NpZGVudGFsbHkgcmVsZWFzZWQgSG9zdDF4IEFkZHJlc3MgU3BhY2Ug cHJvYmxlbQo+PiB3aGljaCBoYXBwZW5zIHdoaWxlIHJ1bm5pbmcgbXVsdGlwbGUgZ3JhcGhpY3Mg dGVzdHMgaW4gcGFyYWxsZWwgb24KPj4gVGVncmEzMCwgaS5lLiBieSBoYXZpbmcgbXVsdGlwbGUg dGhyZWFkcyByYWNpbmcgd2l0aCBlYWNoIG90aGVyIGluIHRoZQo+PiBIb3N0MXgncyBzdWJtaXNz aW9uIGFuZCBjb21wbGV0aW9uIGNvZGUgcGF0aHMsIHBlcmZvcm1pbmcgSU9WQSBtYXBwaW5ncwo+ PiBhbmQgdW5tYXBwaW5ncyBpbiBwYXJhbGxlbC4KPj4KPj4gQ2M6IDxzdGFibGVAdmdlci5rZXJu ZWwub3JnPgo+PiBTaWduZWQtb2ZmLWJ5OiBEbWl0cnkgT3NpcGVua28gPGRpZ2V0eEBnbWFpbC5j b20+Cj4gCj4gVGhpZXJyeSwgZG9lcyB0aGlzIGNoYW5nZSBsb29rIGdvb2QgdG8geW91Pwo+IAoK SGVsbG8gSm9lcmcgYW5kIFRoaWVycnksCgpQbGVhc2UgdGFrZSBpbnRvIGFjY291bnQgdGhhdCB0 aGVyZSBpcyBhIHY1IG5vdyB0aGF0IEkgc2VudCBvdXQgYSBkYXkKYWdvLCBpdCdzIG1vcmUgb3B0 aW1pemVkIHZlcnNpb24gYW5kIHN1cHBvcnRzIGJvdGggYXRvbWljIGFuZCBub24tYXRvbWljCkdG UCBmbGFncyBmb3IgdGhlIG1hcHBpbmcgb3BlcmF0aW9uLgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMu bGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21h aWxtYW4vbGlzdGluZm8vaW9tbXU=