From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hadSk-0002Jz-67 for kexec@lists.infradead.org; Tue, 11 Jun 2019 09:53:07 +0000 Subject: Re: The current SME implementation fails kexec/kdump kernel booting. From: lijiang References: <20190604134952.GC26891@MiWiFi-R3L-srv> <508c2853-dc4f-70a6-6fa8-97c950dc31c6@amd.com> <20190605005600.GF26891@MiWiFi-R3L-srv> <0d9fba9d-7bbe-a7c7-dfe4-696da0dfecc4@amd.com> <2fe0e56c-9286-b71d-3d6d-c2a6fbcfba89@redhat.com> Message-ID: <33b9237f-5e8c-fe49-4f55-220ce9a492fb@redhat.com> Date: Tue, 11 Jun 2019 17:52:55 +0800 MIME-Version: 1.0 In-Reply-To: <2fe0e56c-9286-b71d-3d6d-c2a6fbcfba89@redhat.com> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: "Lendacky, Thomas" , Baoquan He Cc: "x86@kernel.org" , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" 5ZyoIDIwMTnlubQwNuaciDA55pelIDExOjQ1LCBsaWppYW5nIOWGmemBkzoKPiDlnKggMjAxOeW5 tDA25pyIMDbml6UgMDA6MDQsIExlbmRhY2t5LCBUaG9tYXMg5YaZ6YGTOgo+PiBPbiA2LzQvMTkg Nzo1NiBQTSwgQmFvcXVhbiBIZSB3cm90ZToKPj4+IE9uIDA2LzA0LzE5IGF0IDAzOjU2cG0sIExl bmRhY2t5LCBUaG9tYXMgd3JvdGU6Cj4+Pj4gT24gNi80LzE5IDg6NDkgQU0sIEJhb3F1YW4gSGUg d3JvdGU6Cj4+Pj4+IEhpIFRvbSwKPj4+Pj4KPj4+Pj4gTGlhbmJvIHJlcG9ydGVkIGtkdW1wIGtl cm5lbCBjYW4ndCBib290IHdlbGwgd2l0aCAnbm9rYXNscicgYWRkZWQsIGFuZAo+Pj4+PiBoYXZl IHRvIGVuYWJsZSBLQVNMUiBpbiBrZHVtcCBrZXJuZWwgdG8gbWFrZSBpdCBib290IHN1Y2Nlc3Nm dWxseS4gVGhpcwo+Pj4+PiBibG9ja2VkIGhpcyB3b3JrIG9uIGVuYWJsaW5nIHNtZSBmb3Iga2V4 ZWMva2R1bXAuIEFuZCBvbiBzb21lIG1hY2hpbmVzCj4+Pj4+IFNNRSBrZXJuZWwgY2FuJ3QgYm9v dCBpbiAxc3Qga2VybmVsLgo+Pj4+Pgo+Pj4+PiBJIGNoZWNrZWQgY29kZSBvZiBTTUUgaW1wbGVt ZW50YXRpb24sIGFuZCBmb3VuZCBvdXQgdGhlIHJvb3QgY2F1c2UuIFRoZQo+Pj4+PiBhYm92ZSBm YWlsdXJlcyBhcmUgY2F1c2VkIGJ5IFNNRSBjb2RlLCBzbWVfZW5jcnlwdF9rZXJuZWwoKS4gSW4K Pj4+Pj4gc21lX2VuY3J5cHRfa2VybmVsKCksIHlvdSBnZXQgYSAyTSBvZiBlbmNyeXB0aW9uIHdv cmsgYXJlYSBhcyBpbnRlcm1lZGlhdGUKPj4+Pj4gYnVmZmVyIHRvIGVuY3J5cHQga2VybmVsIGlu LXBsYWNlLiBBbmQgdGhlIHdvcmsgYXJlYSBpcyBqdXN0IGFmdGVyIF9lbmQgb2YKPj4+Pj4ga2Vy bmVsLgo+Pj4+Cj4+Pj4gSSByZW1lbWJlciB3b3JyeWluZyBhYm91dCBzb21ldGhpbmcgbGlrZSB0 aGlzIGJhY2sgd2hlbiBJIHdhcyB0ZXN0aW5nIHRoZQo+Pj4+IGtleGVjIHN1cHBvcnQuIEkgaGFk IGNvbWUgdXAgd2l0aCBhIHBhdGNoIHRvIGFkZHJlc3MgaXQsIGJ1dCBuZXZlciBnb3QgdGhlCj4+ Pj4gdGltZSB0byB0ZXN0IGFuZCBzdWJtaXQgaXQuICBJJ3ZlIGluY2x1ZGVkIGl0IGhlcmUgaWYg eW91J2QgbGlrZSB0byB0ZXN0Cj4+Pj4gaXQgKEkgaGF2ZW4ndCBkb25lIHJ1biB0aGlzIHBhdGNo IGluIHF1aXRlIHNvbWUgdGltZSkuIElmIGl0IHdvcmtzLCB3ZSBjYW4KPj4+PiB0aGluayBhYm91 dCBzdWJtaXR0aW5nIGl0Lgo+Pj4KPj4+IFRoYW5rcyBmb3IgeW91ciBxdWljayByZXNwb25zZSBh bmQgbWFraW5nIHRoaXMgcGF0Y2gsIFRvbS4KPj4+Cj4+PiBUZXN0ZWQgb24gYSBzcGVlZHdheSBt YWNoaW5lLCBpdCBlbnRlcmVkIGludG8ga2VybmVsLCBidXQgZmFpbGVkIGluCj4+PiBiZWxvdyBz dGFnZS4gVGVzdGVkIHR3byB0aW1lcywgYWx3YXlzIGhhcHBlbmVkLgo+Pgo+PiBJcyB0aGlzIHRo ZSBpbml0aWFsIGtlcm5lbCBib290IG9yIHRoZSBrZXhlYyBrZXJuZWwgYm9vdD8KPj4KPj4gSXQg bG9va3MgbGlrZSB0aGlzIGlzIHJlbGF0ZWQgdG8gdGhlIGluaXRyZC9pbml0cmFtZnMgZGVjcnlw dGlvbi4gTm90Cj4+IHN1cmUgd2hhdCBjb3VsZCBiZSBoYXBwZW5pbmcgdGhlcmUuIEkganVzdCB0 cmllZCB0aGUgcGF0Y2ggb24gbXkgTmFwbGVzCj4+IHN5c3RlbSBhbmQgYSA1LjIuMC1yYzMga2Vy bmVsIGFuZCBoYXZlIGJlZW4gYWJsZSB0byByZXBlYXRlZGx5IGtleGVjIGJvb3QKPj4gYSBudW1i ZXIgb2YgdGltZXMgc28gZmFyLgo+Pgo+IAo+IEkgdXNlZCB0aGUgaGFja2VkIGtleGVjLXRvb2xz KGJ5IEJhb3F1YW4pIHRvIHRlc3QgaXQsIHRoZSBrZXhlYy1kIGtlcm5lbCBhbmQKPiBrZHVtcCBr ZXJuZWwgd29ya2VkIHdlbGwuIEJ1dCBUb20ncyBwYXRjaCBvbmx5IHdvcmtlZCBmb3IgdGhlIGtl eGVjLWQga2VybmVsLAo+IGFuZCB0aGUga2R1bXAga2VybmVsIGRpZCBub3Qgd29yayhrZHVtcCBr ZXJuZWwgY291bGQgbm90IHN1Y2Nlc3NmdWxseSBib290KS4KPiBXaGF0J3MgdGhlIGRpZmZlcmVu Y2UgYmV0d2VlbiB0aGVtPwo+IAoKQWZ0ZXIgYXBwbGllZCBUb20ncyBwYXRjaCwgaSBjaGFuZ2Vk IHRoZSByZXNlcnZlZCBtZW1vcnkoZm9yIGNyYXNoIGtlcm5lbCkgdG8gdGhlCmFib3ZlIDI1Nk0o PjI1Nk0pLCBzdWNoIGFzIGNyYXNoa2VybmVsPTMyME0gb3IgMzg0TSw1MTJNLi4uLCB0aGUga2R1 bXAga2VybmVsIGNhbgp3b3JrIGFuZCBzdWNjZXNzZnVsbHkgZHVtcCB0aGUgdm1jb3JlLgoKQnV0 IHRoZSBrZHVtcCBrZXJuZWwgYWx3YXlzIGhhcHBlbmVkIHRoZSBwYW5pYyBvciBjb3VsZCBub3Qg Ym9vdCBzdWNjZXNzZnVsbHkgaW4KdGhlIDI1Nk0oPD0gMjU2TSkgY2FzZSwgYW5kIG9uIEhQIG1h Y2hpbmUsIGkgbm90aWNlZCB0aGF0IGl0IHByaW50ZWQgT09NLCB0aGUga2R1bXAKa2VybmVsIHdh cyB0b28gc21hbGxlciBtZW1vcnkuIEJ1dCBpIG5ldmVyIHNlZSB0aGUgT09NIG9uIHNwZWVkd2F5 IG1hY2hpbmUocHJvYmFibHkKcmVsYXRlZCB0byB0aGUgZWFybHlwcmludGssIGl0IGRvZXNuJ3Qg d29yayBhbmQgaXQgbG9zZXMgbWFueSBsb2dzKS4KCkFmdGVyIHJlbW92aW5nIHRoZSBvcHRpb24g J0NPTkZJR19ERUJVR19JTkZPJyBmcm9tIC5jb25maWcsIGkgdGVzdGVkIGFnYWluLCB0aGUga2R1 bXAKa2VybmVsIGRpZCBub3QgaGFwcGVuIHRoZSBwYW5pYyBpbiB0aGUgMjU2TShjcmFzaGtlcm5l bD0yNTZNKSwgdGhlIGtkdW1wIGtlcm5lbCBjYW4Kd29yayBhbmQgc3VjY2VlZCB0byBkdW1wIHRo ZSB2bWNvcmUgb24gSFAgbWFjaGluZSBvciBzcGVlZHdheSBtYWNoaW5lLgoKSXQgc2VlbXMgdGhh dCB0aGUgc21hbGwgbWVtb3J5IGNhdXNlZCB0aGUgcHJldmlvdXMgZmFpbHVyZSBpbiBrZHVtcCBr ZXJuZWwuIEkgd291bGQKc3VnZ2VzdCB0byBwb3N0IHRoaXMgcGF0Y2ggdG8gdXBzdHJlYW0uIFdo YXQncyB5b3VyIG9waW5pb24/IFRvbSwgQmFvcXVhbiBhbmQgb3RoZXIKcGVvcGxlLiBPciBkbyB5 b3UgaGF2ZSBhbnkgY29tbWVudD8KClRoYW5rcy4KTGlhbmJvCgo+IFRoYW5rcwo+IExpYW5ibwo+ IAo+PiBUaGFua3MsCj4+IFRvbQo+Pgo+Pj4KPj4+Cj4+PiBbICAgIDQuOTc4NTIxXSBGcmVlaW5n IHVudXNlZCBkZWNyeXB0ZWQgbWVtb3J5OiAyMDQwSwo+Pj4gWyAgICA0Ljk4MzgwMF0gRnJlZWlu ZyB1bnVzZWQga2VybmVsIGltYWdlIG1lbW9yeTogMjM0NEsKPj4+IFsgICAgNC45ODg5NDNdIFdy aXRlIHByb3RlY3RpbmcgdGhlIGtlcm5lbCByZWFkLW9ubHkgZGF0YTogMTg0MzJrCj4+PiBbICAg IDQuOTk1MzA2XSBGcmVlaW5nIHVudXNlZCBrZXJuZWwgaW1hZ2UgbWVtb3J5OiAyMDEySwo+Pj4g WyAgICA1LjAwMDQ4OF0gRnJlZWluZyB1bnVzZWQga2VybmVsIGltYWdlIG1lbW9yeTogMjU2Swo+ Pj4gWyAgICA1LjAwNTU0MF0gUnVuIC9pbml0IGFzIGluaXQgcHJvY2Vzcwo+Pj4gWyAgICA1LjAw OTQ0M10gS2VybmVsIHBhbmljIC0gbm90IHN5bmNpbmc6IEF0dGVtcHRlZCB0byBraWxsIGluaXQh IGV4aXRjb2RlPTB4MDAwMDdmMDAKPj4+IFsgICAgNS4wMTcyMzBdIENQVTogMCBQSUQ6IDEgQ29t bTogaW5pdCBOb3QgdGFpbnRlZCA1LjIuMC1yYzIrICMzOAo+Pj4gWyAgICA1LjAyMzI1MV0gSGFy ZHdhcmUgbmFtZTogQU1EIENvcnBvcmF0aW9uIFNwZWVkd2F5L1NwZWVkd2F5LCBCSU9TIFJTVzEw MDRCIDEwLzE4LzIwMTcKPj4+IFsgICAgNS4wMzEyOTldIENhbGwgVHJhY2U6Cj4+PiBbICAgIDUu MDMzNzkzXSAgZHVtcF9zdGFjaysweDQ2LzB4NjAKPj4+IFsgICAgNS4wMzcxNjldICBwYW5pYysw eGZiLzB4MmNiCj4+PiBbICAgIDUuMDQwMTkxXSAgZG9fZXhpdC5jb2xkLjIxKzB4NTkvMHg4MQo+ Pj4gWyAgICA1LjA0NDAwNF0gIGRvX2dyb3VwX2V4aXQrMHgzYS8weGEwCj4+PiBbICAgIDUuMDQ3 NjQwXSAgX194NjRfc3lzX2V4aXRfZ3JvdXArMHgxNC8weDIwCj4+PiBbICAgIDUuMDUxODk5XSAg ZG9fc3lzY2FsbF82NCsweDU1LzB4MWMwCj4+PiBbICAgIDUuMDU1NjI3XSAgZW50cnlfU1lTQ0FM TF82NF9hZnRlcl9od2ZyYW1lKzB4NDQvMHhhOQo+Pj4gWyAgICA1LjA2MDc2NF0gUklQOiAwMDMz OjB4N2ZhMWIxZmM5ZTJlCj4+PiBbICAgIDUuMDY0NDA0XSBDb2RlOiBCYWQgUklQIHZhbHVlLgo+ Pj4gWyAgICA1LjA2NzY4N10gUlNQOiAwMDJiOjAwMDA3ZmZmYzVhYmI3NzggRUZMQUdTOiAwMDAw MDIwMiBPUklHX1JBWDogMDAwMDAwMDAwMDAwMDBlNwo+Pj4gWyAgICA1LjA3NTI5Nl0gUkFYOiBm ZmZmZmZmZmZmZmZmZmRhIFJCWDogMDAwMDdmYTFiMWZkMjUyOCBSQ1g6IDAwMDA3ZmExYjFmYzll MmUKPj4+IFsgICAgNS4wODI2MjVdIFJEWDogMDAwMDAwMDAwMDAwMDA3ZiBSU0k6IDAwMDAwMDAw MDAwMDAwM2MgUkRJOiAwMDAwMDAwMDAwMDAwMDdmCj4+PiBbICAgIDUuMDg5ODc5XSBSQlA6IDAw MDA3ZmExYjIxZDhkMDAgUjA4OiAwMDAwMDAwMDAwMDAwMGU3IFIwOTogMDAwMDdmZmZjNWFiYjY4 OAo+Pj4gWyAgICA1LjA5NzEzNF0gUjEwOiAwMDAwMDAwMDAwMDAwMDAwIFIxMTogMDAwMDAwMDAw MDAwMDIwMiBSMTI6IDAwMDAwMDAwMDAwMDAwMDIKPj4+IFsgICAgNS4xMDQzODZdIFIxMzogMDAw MDAwMDAwMDAwMDAwMSBSMTQ6IDAwMDA3ZmExYjIxZDhkNDAgUjE1OiAwMDAwN2ZhMWIyMWQ4ZDMw Cj4+PiBbICAgIDUuMTExNjQ1XSBLZXJuZWwgT2Zmc2V0OiBkaXNhYmxlZAo+Pj4gWyAgICA1LjQy MzAwMl0gUmVib290aW5nIGluIDEwIHNlY29uZHMuLgo+Pj4gWyAgIDE1LjQyOTY0MV0gQUNQSSBN RU1PUlkgb3IgSS9PIFJFU0VUX1JFRy4KPj4+CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwprZXhlYyBtYWlsaW5nIGxpc3QKa2V4ZWNAbGlzdHMuaW5mcmFk ZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2tleGVj Cg==