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[142.167.56.70]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4a779d9dbfesm10698501cf.36.2025.06.20.09.35.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Jun 2025 09:35:10 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1uSehp-00000000Es0-48hW; Fri, 20 Jun 2025 13:35:09 -0300 Date: Fri, 20 Jun 2025 13:35:09 -0300 From: Jason Gunthorpe To: Benjamin Gaignard Cc: joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, nicolas.dufresne@collabora.com, iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@collabora.com Subject: Re: [PATCH v3 3/5] iommu: Add verisilicon IOMMU driver Message-ID: <20250620163509.GB39770@ziepe.ca> References: <20250619131232.69208-1-benjamin.gaignard@collabora.com> <20250619131232.69208-4-benjamin.gaignard@collabora.com> <20250619134752.GB1643390@ziepe.ca> <073ffe14-d631-4a4f-8668-ddeb7d611448@collabora.com> <20250619165928.GA10257@ziepe.ca> <20250620120509.GA39770@ziepe.ca> <3337df6c-f800-4610-8689-fbd4b4a5d07a@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3337df6c-f800-4610-8689-fbd4b4a5d07a@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250620_093513_086114_07A72B32 X-CRM114-Status: GOOD ( 24.67 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org T24gRnJpLCBKdW4gMjAsIDIwMjUgYXQgMDQ6NDI6MDJQTSArMDIwMCwgQmVuamFtaW4gR2FpZ25h cmQgd3JvdGU6Cj4gCj4gTGUgMjAvMDYvMjAyNSDDoCAxNTo1MiwgQmVuamFtaW4gR2FpZ25hcmQg YSDDqWNyaXTCoDoKPiA+IAo+ID4gTGUgMjAvMDYvMjAyNSDDoCAxNDowNSwgSmFzb24gR3VudGhv cnBlIGEgw6ljcml0wqA6Cj4gPiA+IE9uIEZyaSwgSnVuIDIwLCAyMDI1IGF0IDEwOjU3OjQ5QU0g KzAyMDAsIEJlbmphbWluIEdhaWduYXJkIHdyb3RlOgo+ID4gPiA+IExlIDE5LzA2LzIwMjUgw6Ag MTg6NTksIEphc29uIEd1bnRob3JwZSBhIMOpY3JpdMKgOgo+ID4gPiA+ID4gT24gVGh1LCBKdW4g MTksIDIwMjUgYXQgMDY6Mjc6NTJQTSArMDIwMCwgQmVuamFtaW4gR2FpZ25hcmQgd3JvdGU6Cj4g PiA+ID4gPiA+IExlIDE5LzA2LzIwMjUgw6AgMTU6NDcsIEphc29uIEd1bnRob3JwZSBhIMOpY3Jp dMKgOgo+ID4gPiA+ID4gPiA+IFVnaC4gVGhpcyBpZ25vcmVzIHRoZSBnZnAgZmxhZ3MgdGhhdCBh cmUgcGFzc2VkIGludG8gbWFwIGJlY2F1c2UgeW91Cj4gPiA+ID4gPiA+ID4gaGF2ZSB0byBmb3Jj ZSBhdG9taWMgZHVlIHRvIHRoZSBzcGlubG9jayB0aGF0IHNob3VsZG4ndCBiZSB0aGVyZSA6KAo+ ID4gPiA+ID4gPiA+IFRoaXMgbWVhbnMgaXQgZG9lcyBub3Qgc2V0IEdGUF9LRVJORUxfQUNDT1VO VCB3aGVuCj4gPiA+ID4gPiA+ID4gcmVxdWlyZWQuIEl0IHdvdWxkCj4gPiA+ID4gPiA+ID4gYmUg YmV0dGVyIHRvIGNvbnRpbnVlIHRvIHVzZSB0aGUgcGFzc2VkIGluIEdGUCBmbGFncwo+ID4gPiA+ ID4gPiA+IGJ1dCBvdmVycmlkZSB0aGVtCj4gPiA+ID4gPiA+ID4gdG8gYXRvbWljIG1vZGUuCj4g PiA+ID4gPiA+IEkgd2lsbCBhZGQgYSBnZnBfdCBwYXJhbWV0ZXIgYW5kIHVzZSBpdCBsaWtlIHRo YXQ6Cj4gPiA+ID4gPiA+IHBhZ2VfdGFibGUgPSBpb21tdV9hbGxvY19wYWdlc19zeihnZnAgfCBH RlBfQVRPTUlDIHwKPiA+ID4gPiA+ID4gR0ZQX0RNQTMyLCBTUEFHRV9TSVpFKTsKPiA+ID4gPiA+ IFRoaXMgd2lsbCBvciB0b2dldGhlciBHRlBfQVRPTUlDIGFuZCBHRlBfS0VSTkVMLCBJIGRvbid0 IHRoaW5rIHRoYXQKPiA+ID4gPiA+IHdvcmtzLi4KPiA+ID4gPiBJIGhhdmUgdGVzdCBpdCwgSSBk b24ndCBzZWUgY29uZmxpY3RzIG9yIGVycm9ycy4gV2hhdCB3b3JyaWVzIHlvdSA/Cj4gPiA+IEp1 c3QgbG9va2luZyBhdCB0aGUgYml0bWFwcyBJJ20gbm90IHN1cmU/IERpZCB5b3UgcnVuIHdpdGgg bG9ja2RlcD8KPiA+IAo+ID4gWWVzIGFuZCBpdCBjb21wbGFpbnMgYWJvdXQgdGhhdC4KPiA+IEkg c2VlIHRoYXQgc3VuNTBpIGRyaXZlciBoYXZlIG1vcmUgbGVzcyB0aGUgc2FtZSBzdHJ1Y3QgdGhh biBteSBkcml2ZXIKPiA+IGJ1dCBkb2Vzbid0IHVzZSBsb2NrLiBJIHdpbGwgdHJ5IHNlZSBpZiBJ IGNhbiByZW1vdmUgdGhlIGxvY2suCj4gCj4gSSBoYXZlIHJlcGxhY2UgdGhlIHR3byBzcGlubG9j ayBieSBhIG11dGV4IGluIHZzaV9pb21tdSBzdHJ1Y3R1cmUuCj4gSXQgc2VlbXMgaXQgd29ya3Mg d2VsbCBhbmQgbG9ja2RlcCBkb2Vzbid0IGNvbXBsYWluIGFueW1vcmUuCgpZb3UgY2Fubm90IHVz ZSBhIHNsZWVwaW5nIGxvY2sgd2l0aGluIHRoZSBtYXAvdW5tYXAKZnVuY3Rpb25zLiBSZW1vdmlu ZyB0aGUgbG9jayBpcyBoYXJkIGZvciB5b3VyIGNhc2UgYmVjYXVzZSB5b3UgaGF2ZQp0aGUgY2Fj aGUgZmx1c2hpbmcgcHJvYmxlbS4KCk1heWJlIG1hc2sgR0ZQX0tFUk5FTCBvZmYgYW5kIHRoZW4g b3IgYmFjayBpbiBHRlBfQVRPTUlDLgoKSmFzb24KCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCkxpbnV4LXJvY2tjaGlwIG1haWxpbmcgbGlzdApMaW51eC1y b2NrY2hpcEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21h aWxtYW4vbGlzdGluZm8vbGludXgtcm9ja2NoaXAK