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[34.78.232.44]) by smtp.gmail.com with ESMTPSA id n9-20020a05600c3b8900b003d9aa76dc6asm20249421wms.0.2023.02.07.05.13.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Feb 2023 05:13:45 -0800 (PST) Date: Tue, 7 Feb 2023 13:13:40 +0000 From: Mostafa Saleh To: Jean-Philippe Brucker 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: <20230201125328.2186498-20-jean-philippe@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230207_051347_735660_12756A2C X-CRM114-Status: GOOD ( 16.45 ) 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 SGkgSmVhbiwKCk9uIFdlZCwgRmViIDAxLCAyMDIzIGF0IDEyOjUzOjAzUE0gKzAwMDAsIEplYW4t UGhpbGlwcGUgQnJ1Y2tlciB3cm90ZToKPiBUaGUgSU9NTVUgZG9tYWluIGFic3RyYWN0aW9uIGFs bG93cyB0byBzaGFyZSB0aGUgc2FtZSBwYWdlIHRhYmxlcwo+IGJldHdlZW4gbXVsdGlwbGUgZGV2 aWNlcy4gVGhhdCBtYXkgYmUgbmVjZXNzYXJ5IGR1ZSB0byBoYXJkd2FyZQo+IGNvbnN0cmFpbnRz LCBpZiBtdWx0aXBsZSBkZXZpY2VzIGNhbm5vdCBiZSBpc29sYXRlZCBieSB0aGUgSU9NTVUKPiAo Y29udmVudGlvbmFsIFBDSSBidXMgZm9yIGV4YW1wbGUpLiBJdCBtYXkgYWxzbyBoZWxwIHdpdGgg b3B0aW1pemluZwo+IHJlc291cmNlIG9yIFRMQiB1c2UuIEZvciBwS1ZNIGluIHBhcnRpY3VsYXIs IGl0IG1heSBiZSB1c2VmdWwgdG8gcmVkdWNlCj4gdGhlIGFtb3VudCBvZiBtZW1vcnkgcmVxdWly ZWQgZm9yIHBhZ2UgdGFibGVzLiBBbGwgZGV2aWNlcyBvd25lZCBieSB0aGUKPiBob3N0IGtlcm5l bCBjb3VsZCBiZSBhdHRhY2hlZCB0byB0aGUgc2FtZSBkb21haW4gKHRob3VnaCB0aGF0IHJlcXVp cmVzCj4gaG9zdCBjaGFuZ2VzKS4KPiAKPiBFYWNoIElPTU1VIGRldmljZSBob2xkcyBhbiBhcnJh eSBvZiBkb21haW5zLCBhbmQgdGhlIGhvc3QgYWxsb2NhdGVzCj4gZG9tYWluIElEcyB0aGF0IGlu ZGV4IHRoaXMgYXJyYXkuIFRoZSBhbGxvYygpIG9wZXJhdGlvbiBpbml0aWFsaXplcyB0aGUKPiBk b21haW4gYW5kIHByZXBhcmVzIHRoZSBwYWdlIHRhYmxlcy4gVGhlIGF0dGFjaCgpIG9wZXJhdGlv biBpbml0aWFsaXplcwo+IHRoZSBkZXZpY2UgdGFibGUgdGhhdCBob2xkcyB0aGUgUEdEIGFuZCBp dHMgY29uZmlndXJhdGlvbi4KCkkgd2FzIHdvbmRlcmluZyBhYm91dCB0aGUgbmVlZCBmb3IgcHJl LWFsbG9jYXRpb24gb2YgdGhlIGRvbWFpbiBhcnJheS4KCkFuIGFsdGVybmF0aXZlIHdheSBJIHNl ZToKLSBXZSBkb27igJl0IHByZS1hbGxvY2F0ZSBhbnkgZG9tYWluLgoKLSBXaGVuIHRoZSBFTDEg ZHJpdmVyIGhhcyBhIHJlcXVlc3QgdG8gZG9tYWluX2FsbG9jLCBpdCB3aWxsIGFsbG9jYXRlCmJv dGgga2VybmVsKGlvbW11X2RvbWFpbikgYW5kIGh5cGVydmlzb3IgZG9tYWlucyhrdm1faHlwX2lv bW11X2RvbWFpbikuCgotIEluIF9fcGt2bV9ob3N0X2lvbW11X2FsbG9jX2RvbWFpbiwgaXQgd2ls bCB0YWtlIG92ZXIgdGhlIGh5cCBzdHJ1Y3QKZnJvbSB0aGUga2VybmVsICh2aWEgZG9uYXRpb24p LgoKLSBJbiBhbGwgb3RoZXIgaHlwZXJjYWxscywgdGhlIGtlcm5lbCBhZGRyZXNzIG9mIGt2bV9o eXBfaW9tbXVfZG9tYWluIHdpbGwKYmUgdXNlZCBhcyBkb21haW4gSUQsIHdoaWNoIGd1YXJhbnRl ZXMgdW5pcXVlbmVzcyBhbmQgTygxKSBhY2Nlc3MuCgotIFRoZSBoeXBlcnZpc29yIHdvdWxkIGp1 c3QgbmVlZCB0byB0cmFuc2Zvcm0gdGhlIGFkZHJlc3Moa2Vybl9oeXBfdmEpCnRvIGdldCB0aGUg ZG9tYWluIHBvaW50ZXIuCgpJIGJlbGlldmUgdGhhdCB3b3VsZCBzYXZlIHNvbWUgbWVtb3J5IGFz IHdlIGFsbG9jYXRlIGRvbWFpbnMgd2hlbiBuZWVkZWQuCgpQbGVhc2UgbGV0IG1lIGtub3cgd2hh dCB5b3UgdGhpbmsgYWJvdXQgdGhpcz8KClRoYW5rcywKTW9zdGFmYQoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5n IGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5p bmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=