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[5.69.146.176]) by smtp.gmail.com with ESMTPSA id bg2-20020a05600c3c8200b003db0bb81b6asm3009865wmb.1.2023.02.08.10.05.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Feb 2023 10:05:09 -0800 (PST) Date: Wed, 8 Feb 2023 18:05:04 +0000 From: Jean-Philippe Brucker To: Mostafa Saleh Cc: maz@kernel.org, catalin.marinas@arm.com, will@kernel.org, joro@8bytes.org, robin.murphy@arm.com, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, dbrazdil@google.com, ryan.roberts@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, iommu@lists.linux.dev Subject: Re: [RFC PATCH 19/45] KVM: arm64: iommu: Add domains Message-ID: References: <20230201125328.2186498-1-jean-philippe@linaro.org> <20230201125328.2186498-20-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230208_100513_044303_A564DC20 X-CRM114-Status: GOOD ( 21.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gV2VkLCBGZWIgMDgsIDIwMjMgYXQgMTI6MzE6MTVQTSArMDAwMCwgTW9zdGFmYSBTYWxlaCB3 cm90ZToKPiBPbiBUdWUsIEZlYiA3LCAyMDIzIGF0IDE6MTMgUE0gTW9zdGFmYSBTYWxlaCA8c21v c3RhZmFAZ29vZ2xlLmNvbT4gd3JvdGU6Cj4gCj4gPiBJIHdhcyB3b25kZXJpbmcgYWJvdXQgdGhl IG5lZWQgZm9yIHByZS1hbGxvY2F0aW9uIG9mIHRoZSBkb21haW4gYXJyYXkuCj4gPgo+ID4gQW4g YWx0ZXJuYXRpdmUgd2F5IEkgc2VlOgo+ID4gLSBXZSBkb27igJl0IHByZS1hbGxvY2F0ZSBhbnkg ZG9tYWluLgo+ID4KPiA+IC0gV2hlbiB0aGUgRUwxIGRyaXZlciBoYXMgYSByZXF1ZXN0IHRvIGRv bWFpbl9hbGxvYywgaXQgd2lsbCBhbGxvY2F0ZQo+ID4gYm90aCBrZXJuZWwoaW9tbXVfZG9tYWlu KSBhbmQgaHlwZXJ2aXNvciBkb21haW5zKGt2bV9oeXBfaW9tbXVfZG9tYWluKS4KPiA+Cj4gPiAt IEluIF9fcGt2bV9ob3N0X2lvbW11X2FsbG9jX2RvbWFpbiwgaXQgd2lsbCB0YWtlIG92ZXIgdGhl IGh5cCBzdHJ1Y3QKPiA+IGZyb20gdGhlIGtlcm5lbCAodmlhIGRvbmF0aW9uKS4KClRoYXQgYWxz byByZXF1aXJlcyBhbiBlbnRpcmUgcGFnZSBmb3IgZWFjaCBkb21haW4gbm8/ICBJIGd1ZXNzIHRo aXMgZG9tYWluCnRhYmxlIHdvdWxkIG9ubHkgYmUgd29yc2UgaW4gbWVtb3J5IHVzZSBpZiB3ZSBo YXZlIGZld2VyIHRoYW4gMiBkb21haW5zLApzaW5jZSBpdCBjb3N0cyBvbmUgcGFnZSBmb3IgdGhl IHJvb3QgdGFibGUsIGFuZCB0aGVuIHN0b3JlcyAyNTYgZG9tYWlucwpwZXIgbGVhZiBwYWdlLgoK V2hhdCBJJ3ZlIGJlZW4gdHJ5aW5nIHRvIGF2b2lkIHdpdGggdGhpcyB0YWJsZSBpcyBpbnRyb2R1 Y2luZyBhIG1hbGxvYyBpbgp0aGUgaHlwZXJ2aXNvciwgYnV0IHdlIG1pZ2h0IGhhdmUgdG8gYml0 ZSB0aGUgYnVsbGV0IGV2ZW50dWFsbHkgKGFsdGhvdWdoCndpdGggYSBtYWxsb2MsIGFjY2VzcyB3 aWxsIHByb2JhYmx5IHdvcnNlIHRoYW4gTygxKSkuCgpUaGFua3MsCkplYW4KCj4gPgo+ID4gLSBJ biBhbGwgb3RoZXIgaHlwZXJjYWxscywgdGhlIGtlcm5lbCBhZGRyZXNzIG9mIGt2bV9oeXBfaW9t bXVfZG9tYWluIHdpbGwKPiA+IGJlIHVzZWQgYXMgZG9tYWluIElELCB3aGljaCBndWFyYW50ZWVz IHVuaXF1ZW5lc3MgYW5kIE8oMSkgYWNjZXNzLgo+ID4KPiA+IC0gVGhlIGh5cGVydmlzb3Igd291 bGQganVzdCBuZWVkIHRvIHRyYW5zZm9ybSB0aGUgYWRkcmVzcyhrZXJuX2h5cF92YSkKPiA+IHRv IGdldCB0aGUgZG9tYWluIHBvaW50ZXIuCj4gCj4gCj4gVGhpcyBhY3R1YWxseSB3aWxsIG5vdCB3 b3JrIHdpdGggdGhlIGN1cnJlbnQgc2VxdWVuY2UsIGFzIHdlIGNhbid0Cj4gZ3VhcmFudGVlIHRo YXQgdGhlIGRvbWFpbl9pZCBzZW50IGxhdGVyIGZyb20gdGhlIGhvc3QgaXMgdHJ1c3RlZCwgYW5k IGFzCj4gdGhlIGRvbWFpbiBwb2ludHMgdG8gdGhlIHBhZ2UgdGFibGUgdGhpcyBjYW4gYmUgZGFu Z2Vyb3VzLCBJIHdpbGwgaGF2ZSBhCj4gY2xvc2VyIGxvb2sgdG8gc2VlIGlmIHdlIGNhbiBtYWtl IHRoaXMgd29yayBzb21laG93LgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5l bEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4v bGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=