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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 1i3JWQ-0007T9-LK; Thu, 29 Aug 2019 12:27:26 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i3JWP-0007T2-2o for xen-devel@lists.xenproject.org; Thu, 29 Aug 2019 12:27:25 +0000 X-Inumbo-ID: 5aa0e3b8-ca58-11e9-951b-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 5aa0e3b8-ca58-11e9-951b-bc764e2007e4; Thu, 29 Aug 2019 12:27:24 +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 84D48AE2C; Thu, 29 Aug 2019 12:27:23 +0000 (UTC) To: Juergen Gross References: <8191ed37-760d-748a-c7c7-762dd331fa7c@suse.com> From: Jan Beulich Message-ID: <8182fd34-c41a-46d5-d0db-51799c2d5052@suse.com> Date: Thu, 29 Aug 2019 14:27:24 +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: <8191ed37-760d-748a-c7c7-762dd331fa7c@suse.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH] x86: clear RDRAND CPUID bit on AMD family 15h/16h 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: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Wei Liu , "xen-devel@lists.xenproject.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMjkuMDguMjAxOSAxNDowMSwgSnVlcmdlbiBHcm9zcyB3cm90ZToKPiBPbiAyOS4wOC4xOSAx Mzo0MiwgQW5kcmV3IENvb3BlciB3cm90ZToKPj4gT24gMjkvMDgvMjAxOSAxMDoyOCwgSmFuIEJl dWxpY2ggd3JvdGU6Cj4+PiBJbnNwaXJlZCBieSBMaW51eCBjb21taXQgYzQ5YTBhODAxMzdjN2Nh N2Q2Y2VkNGM4MTJjOWUwN2E5NDlmNmYyNDoKPj4+Cj4+PiAgICAgIFRoZXJlIGhhdmUgYmVlbiBy ZXBvcnRzIG9mIFJEUkFORCBpc3N1ZXMgYWZ0ZXIgcmVzdW1pbmcgZnJvbSBzdXNwZW5kIG9uCj4+ PiAgICAgIHNvbWUgQU1EIGZhbWlseSAxNWggYW5kIGZhbWlseSAxNmggc3lzdGVtcy4gVGhpcyBp c3N1ZSBzdGVtcyBmcm9tIGEgQklPUwo+Pj4gICAgICBub3QgcGVyZm9ybWluZyB0aGUgcHJvcGVy IHN0ZXBzIGR1cmluZyByZXN1bWUgdG8gZW5zdXJlIFJEUkFORCBjb250aW51ZXMKPj4+ICAgICAg dG8gZnVuY3Rpb24gcHJvcGVybHkuCj4+Pgo+Pj4gICAgICBVcGRhdGUgdGhlIENQVSBpbml0aWFs aXphdGlvbiB0byBjbGVhciB0aGUgUkRSQU5EIENQVUlEIGJpdCBmb3IgYW55IGZhbWlseQo+Pj4g ICAgICAxNWggYW5kIDE2aCBwcm9jZXNzb3IgdGhhdCBzdXBwb3J0cyBSRFJBTkQuIElmIGl0IGlz IGtub3duIHRoYXQgdGhlIGZhbWlseQo+Pj4gICAgICAxNWggb3IgZmFtaWx5IDE2aCBzeXN0ZW0g ZG9lcyBub3QgaGF2ZSBhbiBSRFJBTkQgcmVzdW1lIGlzc3VlIG9yIHRoYXQgdGhlCj4+PiAgICAg IHN5c3RlbSB3aWxsIG5vdCBiZSBwbGFjZWQgaW4gc3VzcGVuZCwgdGhlICJjcHVpZD1yZHJhbmQi IGtlcm5lbCBwYXJhbWV0ZXIKPj4+ICAgICAgY2FuIGJlIHVzZWQgdG8gc3RvcCB0aGUgY2xlYXJp bmcgb2YgdGhlIFJEUkFORCBDUFVJRCBiaXQuCj4+Pgo+Pj4gICAgICBOb3RlLCB0aGF0IGNsZWFy aW5nIHRoZSBSRFJBTkQgQ1BVSUQgYml0IGRvZXMgbm90IHByZXZlbnQgYSBwcm9jZXNzb3IKPj4+ ICAgICAgdGhhdCBub3JtYWxseSBzdXBwb3J0cyB0aGUgUkRSQU5EIGluc3RydWN0aW9uIGZyb20g ZXhlY3V0aW5nIGl0LiBTbyBhbnkKPj4+ICAgICAgY29kZSB0aGF0IGRldGVybWluZWQgdGhlIHN1 cHBvcnQgYmFzZWQgb24gZmFtaWx5IGFuZCBtb2RlbCB3b24ndCAjVUQuCj4gCj4gWWVhaCwgYnV0 IGl0IHdpbGwgbm8gbG9uZ2VyIHNlZSByYW5kb20gbnVtYmVycyBhZnRlciByZXN1bWUuCgpUaGF0 J3MgdGhlIGltcGxpY2F0aW9uOyBub3RlIHRoYXQgSSd2ZSB0YWtlbiB0aGUgdGV4dCBmcm9tIHRo ZQpMaW51eCBjb21taXQuCgo+Pj4gU2lnbmVkLW9mZi1ieTogSmFuIEJldWxpY2ggPGpiZXVsaWNo QHN1c2UuY29tPgo+Pj4gLS0tCj4+PiBTbGlnaHRseSBSRkMsIGluIHBhcnRpY3VsYXIgYmVjYXVz ZSBvZiB0aGUgY2hhbmdlIHRvIHBhcnNlX3hlbl9jcHVpZCgpOgo+Pj4gQWx0ZXJuYXRpdmUgYXBw cm9hY2ggc3VnZ2VzdGlvbnMgYXJlIHdlbGNvbWUuCj4+Cj4+IFRoaXMgaXNzdWUgd2FzIG9uIG15 IHJhZGFyLCBidXQgSSBoYWRuJ3QgZ290IGFyb3VuZCB0byBzdGFydGluZyBhIHBhdGNoIHlldC4K Pj4KPj4gSSB3YXMgd29uZGVyaW5nIGlmIHdlIGNvdWxkIHBlcmhhcHMgZGVmYXVsdCBpdCB0byB3 aGV0aGVyIFMzIHdhcwo+PiBhdmFpbGFibGUsIGJ1dCBsb29raW5nIGF0IHRoZSBjb2RlIHdoaWNo IHByaW50cyAiQUNQSSBzbGVlcCBtb2RlczogUzMiLAo+PiBpdCBkb2Vzbid0IGFwcGVhciB0byBi ZSByZWxhdGVkIHRvIGFueSByZWFsIEFDUEkgaW5mb3JtYXRpb24uCj4gCj4gV291bGRuJ3QgaXQg bWFrZSBtb3JlIHNlbnNlIHRvIGluaGliaXQgc3VzcGVuZC9yZXN1bWUgaW5zdGVhZD8KClRoYXQn cyBhbiBhbHRlcm5hdGl2ZSBvcHRpb24uIEJ1dCBpZiBhbnl0aGluZyBJJ2Qgc2VlIHVzIHByb3Zp ZGluZwpib3RoLCBub3QgdGhlIG9uZSB5b3Ugc3VnZ2VzdCBpbnN0ZWFkIG9mIHdoYXQgdGhlIHBh dGNoIGhlcmUgZG9lcy4KCj4gSSdtIHF1aXRlIHN1cmUgYSBtYWNoaW5lIHJ1bm5pbmcgWGVuIGlz IHZlcnkgcmFyZWx5IHB1dCB0byBTMy4KCkknbSBub3QgYXQgYWxsIHN1cmUgYWJvdXQgdGhpcy4K CkphbgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==