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DIR:OUT; SFP:1102; SCL:1; SRVR:MN2PR18MB3085; H:MN2PR18MB3405.namprd18.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: suse.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: ntMy7/NRgliCZqSzp1RbU1zH/Z7/AWVvFaGGQHajaEQN7HEMqQojmY1cq+a0T+T8DDPT0Jucbawxpko1THTirTMCol626al8idPm5HXdLQYK/iW2sAt4tlgrHFkiDujPhi0ZuXfy+aL3YUldVgxPxiHuiIxJ9D5Cvn1f92Md7vTk2Y74KCL5MXk+FhiGaoATi2b60muYti6C/+6OG/akdU7BH6xfdOgfg/NPM24R1D6l85W/bWYDRl0noE/i7XQohNPE3p+KdkbI6/CbKrzdhqOj2cFNSuluITNHPGoasPIshFR/TBIccWf8rViHLaN0hTem3gsf0nwd6D23ni2DhDCW/C/jmy9ilKqn85+2ZqELtabCRtlNE8HyygOIkat/IfwF/IkkzWH9EUaHAyKrlUqJRLdFIkH2dKtNZjhngy4= Content-ID: <2D3E1A1C700E2C48BB3DBD4AC04E6539@namprd18.prod.outlook.com> MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: d06c9a9d-7919-46b5-a6aa-08d7199dfb89 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Aug 2019 12:11:01.8595 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 856b813c-16e5-49a5-85ec-6f081e13b527 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: JBeulich@suse.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR18MB3085 X-OriginatorOrg: suse.com Subject: Re: [Xen-devel] [PATCH v8 16/16] microcode: block #NMI handling when loading an ucode X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "xen-devel@lists.xenproject.org" , Ashok Raj , Wei Liu , =?utf-8?B?Um9nZXIgUGF1IE1vbm7DqQ==?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDEuMDguMjAxOSAxMjoyMiwgQ2hhbyBHYW8gd3JvdGU6DQo+IEBAIC00MzksMTIgKzQ0MCwz NyBAQCBzdGF0aWMgaW50IGRvX21pY3JvY29kZV91cGRhdGUodm9pZCAqcGF0Y2gpDQo+ICAgICAg IHJldHVybiByZXQ7DQo+ICAgfQ0KPiAgIA0KPiArc3RhdGljIGludCBtaWNyb2NvZGVfbm1pX2Nh bGxiYWNrKGNvbnN0IHN0cnVjdCBjcHVfdXNlcl9yZWdzICpyZWdzLCBpbnQgY3B1KQ0KPiArew0K PiArICAgIGJvb2wgcHJpbnQgPSBmYWxzZTsNCj4gKw0KPiArICAgIC8qIFRoZSBmaXJzdCB0aHJl YWQgb2YgYSBjb3JlIGlzIHRvIGxvYWQgYW4gdXBkYXRlLiBEb24ndCBibG9jayBpdC4gKi8NCj4g KyAgICBpZiAoIGNwdSA9PSBjcHVtYXNrX2ZpcnN0KHBlcl9jcHUoY3B1X3NpYmxpbmdfbWFzaywg Y3B1KSkgKQ0KPiArICAgICAgICByZXR1cm4gMDsNCj4gKw0KPiArICAgIGlmICggbG9hZGluZ19z dGF0ZSA9PSBMT0FESU5HX0VOVEVSRUQgKQ0KPiArICAgIHsNCj4gKyAgICAgICAgY3B1bWFza19z ZXRfY3B1KGNwdSwgJmNwdV9jYWxsaW5fbWFwKTsNCj4gKyAgICAgICAgcHJpbnRrKFhFTkxPR19E RUJVRyAiQ1BVJXUgZW50ZXJzICVzXG4iLCBzbXBfcHJvY2Vzc29yX2lkKCksIF9fZnVuY19fKTsN Cg0KSGVyZSAgYW5kIC4uLg0KDQo+ICsgICAgICAgIHByaW50ID0gdHJ1ZTsNCj4gKyAgICB9DQo+ ICsNCj4gKyAgICB3aGlsZSAoIGxvYWRpbmdfc3RhdGUgPT0gTE9BRElOR19FTlRFUkVEICkNCj4g KyAgICAgICAgcmVwX25vcCgpOw0KPiArDQo+ICsgICAgaWYgKCBwcmludCApDQo+ICsgICAgICAg IHByaW50ayhYRU5MT0dfREVCVUcgIkNQVSV1IGV4aXRzICVzXG4iLCBzbXBfcHJvY2Vzc29yX2lk KCksIF9fZnVuY19fKTsNCg0KLi4uIGhlcmUgLSB3aHkgc21wX3Byb2Nlc3Nvcl9pZCgpIHdoZW4g eW91IGNhbiB1c2UgImNwdSI/IEFuZCB3aGF0DQp1c2UgaXMgX19mdW5jX18gaGVyZT8NCg0KVGhl IHJlcF9ub3AoKSBhYm92ZSBhbHNvIHByZXN1bWFibHkgd2FudHMgdG8gYmUgY3B1X3JlbGF4KCkg YWdhaW4uDQoNCkJ1dCBvbiB0aGUgd2hvbGUgSSB3YXMgcmVhbGx5IGhvcGluZyBmb3IgbW9yZSBh Z2dyZXNzaXZlIGRpc2FibGluZw0Kb2YgTk1JIGhhbmRsaW5nLCBtb3JlIGxpa2UgKGJ1dCBvZiBj b3Vyc2Ugbm90IHF1aXRlIGFzIGhlYXZ5IGFzKQ0KdGhlIGNyYXNoIHBhdGggd2lyaW5nIHRoZSBJ RFQgZW50cnkgdG8gdHJhcF9ub3AoKS4gQW5kcmV3LCBJJ20NCmN1cmlvdXMgdG8gbGVhcm4gd2hh dCB5b3UncmUgdGhpbmtpbmcgd291bGQgYmUgYmVzdCBoZXJlLg0KDQpKYW4NCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxp c3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVj dC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=