From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2479BC3A59F for ; Thu, 29 Aug 2019 12:23:18 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E95582054F for ; Thu, 29 Aug 2019 12:23:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E95582054F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i3JRz-0007Ig-2o; Thu, 29 Aug 2019 12:22:51 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i3JRx-0007Ib-Kz for xen-devel@lists.xenproject.org; Thu, 29 Aug 2019 12:22:49 +0000 X-Inumbo-ID: b617030e-ca57-11e9-ac23-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b617030e-ca57-11e9-ac23-bc764e2007e4; Thu, 29 Aug 2019 12:22:48 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 1A916AC97; Thu, 29 Aug 2019 12:22:47 +0000 (UTC) To: Chao Gao References: <1566177928-19114-1-git-send-email-chao.gao@intel.com> <1566177928-19114-16-git-send-email-chao.gao@intel.com> From: Jan Beulich Message-ID: Date: Thu, 29 Aug 2019 14:22:47 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1566177928-19114-16-git-send-email-chao.gao@intel.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH v9 15/15] 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, =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Ashok Raj , Wei Liu , Andrew Cooper Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTkuMDguMjAxOSAwMzoyNSwgQ2hhbyBHYW8gd3JvdGU6Cj4gQEAgLTQ4MSwxMiArNDc4LDI4 IEBAIHN0YXRpYyBpbnQgZG9fbWljcm9jb2RlX3VwZGF0ZSh2b2lkICpwYXRjaCkKPiAgICAgIHJl dHVybiByZXQ7Cj4gIH0KPiAgCj4gK3N0YXRpYyBpbnQgbWljcm9jb2RlX25taV9jYWxsYmFjayhj b25zdCBzdHJ1Y3QgY3B1X3VzZXJfcmVncyAqcmVncywgaW50IGNwdSkKPiArewo+ICsgICAgLyog VGhlIGZpcnN0IHRocmVhZCBvZiBhIGNvcmUgaXMgdG8gbG9hZCBhbiB1cGRhdGUuIERvbid0IGJs b2NrIGl0LiAqLwo+ICsgICAgaWYgKCBjcHUgPT0gY3B1bWFza19maXJzdChwZXJfY3B1KGNwdV9z aWJsaW5nX21hc2ssIGNwdSkpIHx8Cj4gKyAgICAgICAgIGxvYWRpbmdfc3RhdGUgIT0gTE9BRElO R19DQUxMSU4gKQo+ICsgICAgICAgIHJldHVybiAwOwo+ICsKPiArICAgIGNwdW1hc2tfc2V0X2Nw dShjcHUsICZjcHVfY2FsbGluX21hcCk7Cj4gKwo+ICsgICAgd2hpbGUgKCBsb2FkaW5nX3N0YXRl ICE9IExPQURJTkdfRVhJVCApCj4gKyAgICAgICAgY3B1X3JlbGF4KCk7Cj4gKwo+ICsgICAgcmV0 dXJuIDA7Cj4gK30KCkJ5IHJldHVybmluZyAwIHlvdSB0ZWxsIGRvX25taSgpIHRvIGNvbnRpbnVl IHByb2Nlc3NpbmcgdGhlIE5NSS4KU2luY2UgeW91IGNhbid0IHRlbGwgd2hldGhlciBhIG5vbi1J UEkgTk1JIGhhcyBzdXJmYWNlZCBhdCBhYm91dAp0aGUgc2FtZSB0aW1lIHRoaXMgaXMgZ2VuZXJh bGx5IHRoZSByaWdodCB0aGluZyBpbW8sIGJ1dCBob3cgZG8KeW91IHByZXZlbnQgdW5rbm93bl9u bWlfZXJyb3IoKSBmcm9tIGdldHRpbmcgZW50ZXJlZCB3aGVuIGRvX25taSgpCmVuZHMgdXAgc2V0 dGluZyBoYW5kbGVfdW5rbm93biB0byB0cnVlPyAoVGhlIHF1ZXN0aW9uIGlzIG1vc3RseQpyaGV0 b3JpY2FsLCBidXQgdGhlcmUncyBhIGRpc2Nvbm5lY3QgYmV0d2VlbiBkb19ubWkoKSBjaGVja2lu ZwoiY3B1ID09IDAiIGFuZCB0aGUgY29udHJvbCB0aHJlYWQgcnVubmluZyBvbgpjcHVtYXNrX2Zp cnN0KCZjcHVfb25saW5lX21hcCksIGkuZS4geW91IGludHJvZHVjZSBhIHdlbGwgaGlkZGVuCmRl cGVuZGVuY3kgb24gQ1BVIDAgbmV2ZXIgZ29pbmcgb2ZmbGluZS4gSU9XIG15IHJlcXVlc3QgaXMg dG8gYXQKbGVhc3QgbWFrZSB0aGlzIGxlc3Mgd2VsbCBoaWRkZW4sIHN1Y2ggdGhhdCBpdCBjYW4g YmUgbm90aWNlZCBpZgphbmQgd2hlbiBzb21lb25lIGVuZGVhdm9ycyB0byByZW1vdmUgc2FpZCBs aW1pdGF0aW9uLikKCkphbgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVj dC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1k ZXZlbA==