From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A5F212F25 for ; Mon, 7 Feb 2022 21:07:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644268029; x=1675804029; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=8gbY67ygTvd6iWc9uwdHH+xuMdIzgfcuSO4qL0gWlQQ=; b=YaUOPeS8Lk06bTLuNqIZ7n4N9xc902H0z4vW5sQvTTB/e3Uab0P5gB/i EJc0fnEx6jxope1MV2yYoFHJ0g7TV0VCm9P1LnPdozYHOaWTQl8IgUe1i VYLq/tH26PYoiEW9Y+sdtzQZZxrTCWeTTAsks3yEPmjU/nbjIZLq1+JiW iaYQlYbvovK3GaUKSwF0C36Vs9g6xCYgCPyBds2M/azIN1CAigQOBTs1F WePfmnTtnluWd55ndQDS/ltVoPg6qIRO1u/988mdWVKG/LP+fGGQHTtxU qXCI+fwzVQe5STZwXYun2gijAKexR4OpRCQir6XBYAVIbgUCPAONlJZCU w==; X-IronPort-AV: E=McAfee;i="6200,9189,10251"; a="309554318" X-IronPort-AV: E=Sophos;i="5.88,350,1635231600"; d="scan'208";a="309554318" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2022 13:07:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,350,1635231600"; d="scan'208";a="567618908" Received: from fmsmsx603.amr.corp.intel.com ([10.18.126.83]) by orsmga001.jf.intel.com with ESMTP; 07 Feb 2022 13:07:06 -0800 Received: from fmsmsx612.amr.corp.intel.com (10.18.126.92) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Mon, 7 Feb 2022 13:07:06 -0800 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx612.amr.corp.intel.com (10.18.126.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Mon, 7 Feb 2022 13:07:05 -0800 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.2308.020; Mon, 7 Feb 2022 13:07:05 -0800 From: "Luck, Tony" To: Borislav Petkov CC: Jue Wang , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "patches@lists.linux.dev" Subject: RE: [RFC] x86/mce: Add workaround for SKX/CLX/CPX spurious machine checks Thread-Topic: [RFC] x86/mce: Add workaround for SKX/CLX/CPX spurious machine checks Thread-Index: AQHYG9xP0gqp+9MoaEye7S91lqAbGKyI9jkA//+C0wCAAJepgP//g7dQ Date: Mon, 7 Feb 2022 21:07:05 +0000 Message-ID: References: <20220207043640.2829295-1-juew@google.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.6.200.16 x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 PiBJbiB0aGF0IGNhc2UsIHlvdSBjYW4ganVzdCBhcyB3ZWxsIHRlc3QgdGhlIE1TUiBiaXQgZGly ZWN0bHkNCj4gTVNSX0lBMzJfTUlTQ19FTkFCTEVfRkFTVF9TVFJJTkdfQklULiBJZiBpdCBzZXQs IHlvdSBjbGVhciBpdCwgZG9uZS4NCg0KWWVzLiBUaGF0IHdvdWxkIHdvcmsuIEl0J3MgYW4gZXh0 cmEgTVNSIHJlYWQgaW5zdGVhZCBvZiBhIG1lbW9yeSByZWFkLiBCdXQgdGhpcw0KaXNuJ3QgYSBw ZXJmb3JtYW5jZSBwYXRoLg0KDQo+PiBNYXliZSB0aGlzIHdvdWxkIGJlIG1vcmUgaHVtYW4gZnJp ZW5kbHk/DQo+PiANCj4+IAkJcHJfZXJyKCJDUFUlZDogUGVyZm9ybWFuY2Ugbm93IGRlZ3JhZGVk IGFmdGVyIGFwcGx5aW5nIG1hY2hpbmUgY2hlY2sgd29ya2Fyb3VuZFxuIiwNCj4+IAkJCXNtcF9w cm9jZXNzb3JfaWQoKSk7DQo+DQo+IFdlbGwsIGlzIHRoZXJlIGFuIGVycmF0dW0geW91IGNhbiBy ZWZlciB0byBpbiBpdCBpbnN0ZWFkPw0KDQpUaGUgZXJyYXR1bSBoYXMgbWFkZSBpdHMgd2F5IHRo cm91Z2ggdG8gdGhlIHB1YmxpYyBzcGVjaWZpY2F0aW9uIHVwZGF0ZSB5ZXQgOi0oDQoNCj4gRXhw bGFpbmluZyB0aGUgd2hvbGUgZGVhbCBpbiBhIHNpbmdsZSBlcnJvciBtZXNzYWdlIGlzIGhhcmQg YW5kIGFsbW9zdA0KPiBjZXJ0YWlubHkgaW5zdWZmaWNpZW50Lg0KDQpOb3QgaWRlYWwsIGJ1dCB0 aGUgbWVzc2FnZSBpcyBhIHNlYXJjaCB0b29sIHRvIGdldCB0byB0aGVzZSBlLW1haWwgZGlzY3Vz c2lvbnMuDQoNCj4gQWxzbywgd2hhdCdzIHRoZSB1c2Ugb2YgdGhhdCBtZXNzYWdlIGlzc3Vpbmcg b25jZSBvbiBldmVyeSBDUFU/IEluc3RlYWQNCj4gb2YgYmVpbmcgYSBfb25jZSgpIG1lc3NhZ2U/ DQoNCnByX2Vycl9vbmNlKCkgd291bGQgYmUgYmV0dGVyLg0KDQotVG9ueQ0K