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Fri, 3 Dec 2021 08:03:46 -0800 (PST) Message-ID: <7ee55288-209f-8f19-ef69-27e2a5448473@arm.com> Date: Fri, 3 Dec 2021 16:03:42 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [PATCH v4 04/14] Documentation/x86: Secure Launch kernel documentation Content-Language: en-GB To: Ross Philipson , linux-kernel@vger.kernel.org, x86@kernel.org, iommu@lists.linux-foundation.org, linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org References: <1630070917-9896-1-git-send-email-ross.philipson@oracle.com> <1630070917-9896-5-git-send-email-ross.philipson@oracle.com> <6713b6b2-3c6d-8318-ee9e-e1746f02a3a5@oracle.com> From: Robin Murphy In-Reply-To: <6713b6b2-3c6d-8318-ee9e-e1746f02a3a5@oracle.com> Cc: dpsmith@apertussolutions.com, luto@amacapital.net, mingo@redhat.com, kanth.ghatraju@oracle.com, hpa@zytor.com, bp@alien8.de, tglx@linutronix.de, trenchboot-devel@googlegroups.com 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMjAyMS0xMi0wMyAxNTo0NywgUm9zcyBQaGlsaXBzb24gd3JvdGU6Cj4gT24gMTIvMi8yMSAx MjoyNiwgUm9iaW4gTXVycGh5IHdyb3RlOgo+PiBPbiAyMDIxLTA4LTI3IDE0OjI4LCBSb3NzIFBo aWxpcHNvbiB3cm90ZToKPj4gWy4uLl0KPj4+ICtJT01NVSBDb25maWd1cmF0aW9uCj4+PiArLS0t LS0tLS0tLS0tLS0tLS0tLQo+Pj4gKwo+Pj4gK1doZW4gZG9pbmcgYSBTZWN1cmUgTGF1bmNoLCB0 aGUgSU9NTVUgc2hvdWxkIGFsd2F5cyBiZSBlbmFibGVkIGFuZAo+Pj4gdGhlIGRyaXZlcnMKPj4+ ICtsb2FkZWQuIEhvd2V2ZXIsIElPTU1VIHBhc3N0aHJvdWdoIG1vZGUgc2hvdWxkIG5ldmVyIGJl IHVzZWQuIFRoaXMKPj4+IGxlYXZlcyB0aGUKPj4+ICtNTEUgY29tcGxldGVseSBleHBvc2VkIHRv IERNQSBhZnRlciB0aGUgUE1SJ3MgWzJdXyBhcmUgZGlzYWJsZWQuCj4+PiBGaXJzdCwgSU9NTVUK Pj4+ICtwYXNzdGhyb3VnaCBzaG91bGQgYmUgZGlzYWJsZWQgYnkgZGVmYXVsdCBpbiB0aGUgYnVp bGQgY29uZmlndXJhdGlvbjo6Cj4+PiArCj4+PiArwqAgIkRldmljZSBEcml2ZXJzIiAtLT4KPj4+ ICvCoMKgwqDCoMKgICJJT01NVSBIYXJkd2FyZSBTdXBwb3J0IiAtLT4KPj4+ICvCoMKgwqDCoMKg wqDCoMKgwqAgIklPTU1VIHBhc3N0aHJvdWdoIGJ5IGRlZmF1bHQgWyBdIgo+Pj4gKwo+Pj4gK1Ro aXMgdW5zZXQgdGhlIEtjb25maWcgdmFsdWUgQ09ORklHX0lPTU1VX0RFRkFVTFRfUEFTU1RIUk9V R0guCj4+Cj4+IE5vdGUgdGhhdCB0aGUgY29uZmlnIHN0cnVjdHVyZSBoYXMgbm93IGNoYW5nZWQs IGFuZCBpZiBzZXQsIHBhc3N0aHJvdWdoCj4+IGlzIGRlc2VsZWN0ZWQgYnkgY2hvb3NpbmcgYSBk aWZmZXJlbnQgZGVmYXVsdCBkb21haW4gdHlwZS4KPiAKPiBUaGFua3MgZm9yIHRoZSBoZWFkcyB1 cC4gV2Ugd2lsbCBoYXZlIHRvIG1vZGlmeSB0aGlzIGZvciBob3cgdGhpbmdzCj4gZXhpc3QgdG9k YXkuCj4gCj4+Cj4+PiArSW4gYWRkaXRpb24sIHBhc3N0aHJvdWdoIG11c3QgYmUgZGlzYWJsZWQg b24gdGhlIGtlcm5lbCBjb21tYW5kIGxpbmUKPj4+IHdoZW4gZG9pbmcKPj4+ICthIFNlY3VyZSBM YXVuY2ggYXMgZm9sbG93czo6Cj4+PiArCj4+PiArwqAgaW9tbXU9bm9wdCBpb21tdS5wYXNzdGhy b3VnaD0wCj4+Cj4+IFRoaXMgcGFydCBpcyBhIGJpdCBzaWxseSAtIHRob3NlIG9wdGlvbnMgYXJl IGxpdGVyYWxseSBhbGlhc2VzIGZvciB0aGUKPj4gZXhhY3Qgc2FtZSB0aGluZywgYW5kIGZ1cnRo ZXJtb3JlIGlmIHRoZSBjb25maWcgaXMgYWxyZWFkeSBzZXQgYXMKPj4gcmVxdWlyZWQgdGhlbiB0 aGUgc29sZSBlZmZlY3QgZWl0aGVyIG9mIHRoZW0gd2lsbCBoYXZlIGlzIHRvIGNhdXNlICIoc2V0 Cj4+IGJ5IGtlcm5lbCBjb21tYW5kIGxpbmUpIiB0byBiZSBwcmludGVkLiBUaGVyZSBpcyBubyB2 YWx1ZSBpbiBleHBsaWNpdGx5Cj4+IG92ZXJyaWRpbmcgdGhlIGRlZmF1bHQgdmFsdWUgd2l0aCB0 aGUgZGVmYXVsdCB2YWx1ZSAtIGlmIGFueW9uZSBjYW4KPj4gYXBwZW5kIGFuIGFkZGl0aW9uYWwg ImlvbW11LnBhc3N0aHJvdWdoPTEiIChvciAiaW9tbXU9cHQiKSB0byB0aGUgZW5kIG9mCj4+IHRo ZSBjb21tYW5kIGxpbmUgdGhleSdsbCBzdGlsbCB3aW4uCj4gCj4gSSBmZWVsIGxpa2Ugd2hlbiB3 ZSB3b3JrZWQgb24gdGhpcywgaXQgd2FzIHN0aWxsIGltcG9ydGFudCB0byBzZXQgdGhvc2UKPiB2 YWx1ZXMuIFRoaXMgY291bGQgaGF2ZSBiZWVuIGluIGFuIG9sZGVyIGtlcm5lbCB2ZXJzaW9uLiBX ZSB3aWxsIGdvIGJhY2sKPiBhbmQgdmVyaWZ5IHdoYXQgeW91IGFyZSBzYXlpbmcgaGVyZSBhbmQg YWRqdXN0IHRoZSBkb2N1bWVudGF0aW9uCj4gYWNjb3JkaW5nbHkuCj4gCj4gQXMgdG8gYW55b25l IGp1c3QgYWRkaW5nIHZhbHVlcyB0byB0aGUgY29tbWFuZCBsaW5lLCB0aGF0IGlzIHdoeSB0aGUK PiBjb21tYW5kIGxpbmUgaXMgcGFydCBvZiB0aGUgRFJUTSBtZWFzdXJlbWVudHMuCgpZZWFoLCBJ IGhhZCBhIHZhZ3VlIG1lbW9yeSB0aGF0IHRoYXQgd2FzIHRoZSBjYXNlIC0gYmFzaWNhbGx5IGlm IHlvdSBjYW4gCnRydXN0IHRoZSBjb21tYW5kIGxpbmUgYXMgbXVjaCBhcyB0aGUgY29uZmlnIHRo ZW4gaXQncyBkZWZpbml0ZWx5IApyZWR1bmRhbnQgdG8gcGFzcyBhbiBvcHRpb24gZm9yIHRoaXMg KHNlZSBpb21tdV9zdWJzeXNfaW5pdCgpIC0gaXQncyBub3cgCmFsbCBwbHVtYmVkIHRocm91Z2gg aW9tbXVfZGVmX2RvbWFpbl90eXBlKSwgYW5kIGlmIHlvdSBjYW4ndCB0aGVuIApwYXNzaW5nIHRo ZW0gaXMgZnV0aWxlIGFueXdheS4KCkNoZWVycywKUm9iaW4uCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0 cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcv bWFpbG1hbi9saXN0aW5mby9pb21tdQ==