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Bae" , Eric Biggers References: <20220112211258.21115-1-chang.seok.bae@intel.com> <20230410225936.8940-1-chang.seok.bae@intel.com> <20230410225936.8940-8-chang.seok.bae@intel.com> <1b2eb485-2320-b33b-a0ac-53f7cb170adc@intel.com> From: Dave Hansen In-Reply-To: <1b2eb485-2320-b33b-a0ac-53f7cb170adc@intel.com> X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 X-Mailman-Approved-At: Tue, 09 May 2023 00:03:21 +0000 Subject: Re: [dm-devel] [PATCH v6 07/12] x86/cpu/keylocker: Load an internal wrapping key at boot-time X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: x86@kernel.org, herbert@gondor.apana.org.au, ardb@kernel.org, dave.hansen@linux.intel.com, dan.j.williams@intel.com, linux-kernel@vger.kernel.org, mingo@kernel.org, lalithambika.krishnakumar@intel.com, dm-devel@redhat.com, Ingo Molnar , Borislav Petkov , linux-crypto@vger.kernel.org, luto@kernel.org, "H. Peter Anvin" , bernie.keany@intel.com, tglx@linutronix.de, bp@suse.de, gmazyland@gmail.com, charishma1.gairuboyina@intel.com Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: intel.com Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 T24gNS84LzIzIDExOjE4LCBDaGFuZyBTLiBCYWUgd3JvdGU6Cj4gT24gNS81LzIwMjMgNDowNSBQ TSwgRXJpYyBCaWdnZXJzIHdyb3RlOgo+PiBPbiBNb24sIEFwciAxMCwgMjAyMyBhdCAwMzo1OToz MVBNIC0wNzAwLCBDaGFuZyBTLiBCYWUgd3JvdGU6Cj4+PiDCoCArI2lmZGVmIENPTkZJR19YODZf S0VZTE9DS0VSCj4+PiArdm9pZCBzZXR1cF9rZXlsb2NrZXIoc3RydWN0IGNwdWluZm9feDg2ICpj KTsKPj4+ICt2b2lkIGRlc3Ryb3lfa2V5bG9ja2VyX2RhdGEodm9pZCk7Cj4+PiArI2Vsc2UKPj4+ ICsjZGVmaW5lIHNldHVwX2tleWxvY2tlcihjKSBkbyB7IH0gd2hpbGUgKDApCj4+PiArI2RlZmlu ZSBkZXN0cm95X2tleWxvY2tlcl9kYXRhKCkgZG8geyB9IHdoaWxlICgwKQo+Pj4gKyNlbmRpZgo+ Pgo+PiBTaG91bGRuJ3QgdGhlICFDT05GSUdfWDg2X0tFWUxPQ0tFUiBzdHVicyBiZSBzdGF0aWMg aW5saW5lIGZ1bmN0aW9ucwo+PiBpbnN0ZWFkIG9mCj4+IG1hY3Jvcywgc28gdGhhdCB0eXBlIGNo ZWNraW5nIHdvcmtzPwo+IAo+IEkgdGhpbmsgZWl0aGVyIHdheSB3b3JrcyBoZXJlLiBUaGlzIG1h Y3JvIGlzIGp1c3QgZm9yIG5vdGhpbmcuCgpDaGFuZywgSSBkbyBwcmVmZXIgdGhlICdzdGF0aWMg aW5saW5lJyBhcyBhIGdlbmVyYWwgcnVsZS4gIFRoaW5rIG9mIHRoaXM6CgpzdGF0aWMgaW5saW5l IHZvaWQgc2V0dXBfa2V5bG9ja2VyKHN0cnVjdCBjcHVpbmZvX3g4NiAqYykge30KCnZlcnN1czoK CiNkZWZpbmUgc2V0dXBfa2V5bG9ja2VyKGMpIGRvIHsgfSB3aGlsZSAoMCkKCkltYWdpbmUgc29t ZSBkb3BlIGRvZXM6CgoJY2hhciBjOwoJLi4uCglzZXR1cF9rZXlsb2NrZXIoYyk7CgpXaXRoIHRo ZSBtYWNybywgdGhleSdsbCBnZXQgbm8gdHlwZSB3YXJuaW5nLiAgVGhlIGlubGluZSBhY3R1YWxs eSBtYWtlcwppdCBlYXNpZXIgdG8gZmluZCBidWdzIGJlY2F1c2UgZm9sa3Mgd2lsbCBnZXQgX3Nv bWVfIHR5cGUgY2hlY2tpbmcgbm8KbWF0dGVyIGhvdyB0aGV5IGNvbXBpbGUgdGhlIGNvZGUuCgot LQpkbS1kZXZlbCBtYWlsaW5nIGxpc3QKZG0tZGV2ZWxAcmVkaGF0LmNvbQpodHRwczovL2xpc3Rt YW4ucmVkaGF0LmNvbS9tYWlsbWFuL2xpc3RpbmZvL2RtLWRldmVsCg==