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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 1i3XYL-0006nX-SX; Fri, 30 Aug 2019 03:26:21 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i3XYK-0006nS-HK for xen-devel@lists.xenproject.org; Fri, 30 Aug 2019 03:26:20 +0000 X-Inumbo-ID: ecd1b58c-cad5-11e9-b95f-bc764e2007e4 Received: from mga05.intel.com (unknown [192.55.52.43]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id ecd1b58c-cad5-11e9-b95f-bc764e2007e4; Fri, 30 Aug 2019 03:26:16 +0000 (UTC) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Aug 2019 20:26:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,445,1559545200"; d="scan'208";a="188748153" Received: from gao-cwp.sh.intel.com (HELO gao-cwp) ([10.239.159.26]) by FMSMGA003.fm.intel.com with ESMTP; 29 Aug 2019 20:26:13 -0700 Date: Fri, 30 Aug 2019 11:30:18 +0800 From: Chao Gao To: Jan Beulich Message-ID: <20190830033018.GB31905@gao-cwp> References: <1566177928-19114-1-git-send-email-chao.gao@intel.com> <1566177928-19114-14-git-send-email-chao.gao@intel.com> <2441e448-5fe1-bdbc-f0b6-720401fd0bf0@suse.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2441e448-5fe1-bdbc-f0b6-720401fd0bf0@suse.com> User-Agent: Mutt/1.5.21 (2010-09-15) Subject: Re: [Xen-devel] [PATCH v9 13/15] x86/microcode: Synchronize late microcode loading 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: Kevin Tian , Ashok Raj , Wei Liu , Andrew Cooper , Jun Nakajima , xen-devel@lists.xenproject.org, Thomas Gleixner , Borislav Petkov , Roger Pau =?iso-8859-1?Q?Monn=E9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gVGh1LCBBdWcgMjksIDIwMTkgYXQgMDI6MDY6MzlQTSArMDIwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj5PbiAxOS4wOC4yMDE5IDAzOjI1LCBDaGFvIEdhbyB3cm90ZToKPj4gKwo+PiArc3RhdGlj IGludCBtYXN0ZXJfdGhyZWFkX2ZuKGNvbnN0IHN0cnVjdCBtaWNyb2NvZGVfcGF0Y2ggKnBhdGNo KQo+PiArewo+PiArICAgIHVuc2lnbmVkIGludCBjcHUgPSBzbXBfcHJvY2Vzc29yX2lkKCk7Cj4+ ICsgICAgaW50IHJldCA9IDA7Cj4+ICsKPj4gKyAgICB3aGlsZSAoIGxvYWRpbmdfc3RhdGUgIT0g TE9BRElOR19DQUxMSU4gKQo+PiArICAgICAgICBjcHVfcmVsYXgoKTsKPj4gKwo+PiArICAgIGNw dW1hc2tfc2V0X2NwdShjcHUsICZjcHVfY2FsbGluX21hcCk7Cj4+ICsKPj4gKyAgICB3aGlsZSAo IGxvYWRpbmdfc3RhdGUgIT0gTE9BRElOR19FTlRFUiApCj4+ICsgICAgICAgIGNwdV9yZWxheCgp Owo+PiArCj4+ICsgICAgLyoKPj4gKyAgICAgKiBJZiBhbiBlcnJvciBoYXBwZW5lZCwgY29udHJv bCB0aHJlYWQgd291bGQgc2V0ICdsb2FkaW5nX3N0YXRlJwo+PiArICAgICAqIHRvIExPQURJTkdf RVhJVC4gRG9uJ3QgcGVyZm9ybSB1Y29kZSBsb2FkaW5nIGZvciB0aGlzIGNhc2UKPj4gKyAgICAg Ki8KPj4gKyAgICBpZiAoIGxvYWRpbmdfc3RhdGUgPT0gTE9BRElOR19FWElUICkKPj4gKyAgICAg ICAgcmV0dXJuIHJldDsKPgo+RXZlbiBpZiB0aGUgcHJvZHVjZXIgdHJhbnNpdGlvbnMgdGhpcyB0 aHJvdWdoIEVOVEVSIHRvIEVYSVQsIHRoZQo+b2JzZXJ2ZXIgaGVyZSBtYXkgbmV2ZXIgZ2V0IHRv IHNlZSB0aGUgRU5URVIgc3RhdGUsIGFuZCBoZW5jZQo+bmV2ZXIgZXhpdCB0aGUgbG9vcCBhYm92 ZS4gWW91IHdhbnQgZWl0aGVyIDwgRU5URVIgb3IgPT0gQ0FMTElOLgoKWWVzLiBJIGZpbmQgc3Rv cG1hY2hpbmVfYWN0aW9uKCkgaXMgYSBnb29kIGV4YW1wbGUgdG8gaW1wbGVtZW50CmEgc3RhdGUg bWFjaGluZS4gSSB3aWxsIGZvbGxvdyBpdC4KCj4KPj4gKyAgICByZXQgPSBtaWNyb2NvZGVfb3Bz LT5hcHBseV9taWNyb2NvZGUocGF0Y2gpOwo+PiArICAgIGlmICggIXJldCApCj4+ICsgICAgICAg IGF0b21pY19pbmMoJmNwdV91cGRhdGVkKTsKPj4gKyAgICBhdG9taWNfaW5jKCZjcHVfb3V0KTsK Pj4gKwo+PiArICAgIHdoaWxlICggbG9hZGluZ19zdGF0ZSAhPSBMT0FESU5HX0VYSVQgKQo+PiAr ICAgICAgICBjcHVfcmVsYXgoKTsKPj4gKwo+PiArICAgIHJldHVybiByZXQ7Cj4+ICt9Cj4KPkFz IGEgY29zbWV0aWMgcmVtYXJrLCBJIGRvbid0IHRoaW5rICJtYXN0ZXIiIGFuZCAic2xhdmUiIGFy ZQo+c3VpdGFibGUgdGVybXMgaGVyZS4gInByaW1hcnkiIGFuZCAic2Vjb25kYXJ5IiB3b3VsZCBp bW8gY29tZQo+Y2xvc2VyIHRvIHdoYXQgdGhlIHRocmVhZHMnIHJlbGF0aW9uc2hpcCBpcy4KCldp bGwgZG8uCgo+PiArCj4+ICsgICAgLyoKPj4gKyAgICAgKiBXZSBpbnRlbmQgdG8gZGlzYWJsZSBp bnRlcnJ1cHQgZm9yIGxvbmcgdGltZSwgd2hpY2ggbWF5IGxlYWQgdG8KPj4gKyAgICAgKiB3YXRj aGRvZyB0aW1lb3V0Lgo+PiArICAgICAqLwo+PiArICAgIHdhdGNoZG9nX2Rpc2FibGUoKTsKPj4g KyAgICAvKgo+PiArICAgICAqIExhdGUgbG9hZGluZyBkYW5jZS4gV2h5IHRoZSBoZWF2eS1oYW5k ZWQgc3RvcF9tYWNoaW5lIGVmZm9ydD8KPj4gKyAgICAgKgo+PiArICAgICAqIC0gSFQgc2libGlu Z3MgbXVzdCBiZSBpZGxlIGFuZCBub3QgZXhlY3V0ZSBvdGhlciBjb2RlIHdoaWxlIHRoZSBvdGhl cgo+PiArICAgICAqICAgc2libGluZyBpcyBsb2FkaW5nIG1pY3JvY29kZSBpbiBvcmRlciB0byBh dm9pZCBhbnkgbmVnYXRpdmUKPj4gKyAgICAgKiAgIGludGVyYWN0aW9ucyBjYXVzZSBieSB0aGUg bG9hZGluZy4KPj4gKyAgICAgKgo+PiArICAgICAqIC0gSW4gYWRkaXRpb24sIG1pY3JvY29kZSB1 cGRhdGUgb24gdGhlIGNvcmVzIG11c3QgYmUgc2VyaWFsaXplZCB1bnRpbAo+PiArICAgICAqICAg dGhpcyByZXF1aXJlbWVudCBjYW4gYmUgcmVsYXhlZCBpbiB0aGUgZnV0dXJlLiBSaWdodCBub3cs IHRoaXMgaXMKPj4gKyAgICAgKiAgIGNvbnNlcnZhdGl2ZSBhbmQgZ29vZC4KPj4gKyAgICAgKi8K Pj4gKyAgICByZXQgPSBzdG9wX21hY2hpbmVfcnVuKGRvX21pY3JvY29kZV91cGRhdGUsIHBhdGNo LCBOUl9DUFVTKTsKPj4gKyAgICB3YXRjaGRvZ19lbmFibGUoKTsKPgo+Q29uc2lkZXJpbmcgdGhh dCBzdG9wX21hY2hpbmVfcnVuKCkgZG9lc24ndCBpdHNlbGYgZGlzYWJsZSB0aGUgd2F0Y2hkb2cs Cj5kaWQgeW91IGNvbnNpZGVyIGhhdmluZyB0aGUgY29udHJvbCB0aHJlYWQgZGlzYWJsZS9lbmFi bGUgdGhlIHdhdGNoZG9nLAo+dGh1cyBzaG9ydGVuaW5nIHRoZSBwZXJpb2Qgd2hlcmUgaXQncyBu b3QgYWN0aXZlPwoKR29vZCBpZGVhLiBJdCBoZWxwcyB0byBrZWVwIHRoZSBjb2RlIGhlcmUgY2xl YW4uIEkgdGhpbmsgbWF5YmUKbWljcm9jb2RlX25taV9jYWxsYmFjayBjYW4gYmUgcmVnaXN0ZXJl ZCBieSBjb250cm9sIHRocmVhZCBhcyB3ZWxsLgoKVGhhbmtzCkNoYW8KCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QK WGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5v cmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=