From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v4 11/26] xen/x86: Improvements to in-hypervisor cpuid sanity checks Date: Tue, 5 Apr 2016 16:25:39 +0100 Message-ID: <5703D8F3.4000202@citrix.com> References: <1458750989-28967-1-git-send-email-andrew.cooper3@citrix.com> <1458750989-28967-12-git-send-email-andrew.cooper3@citrix.com> <20160328152954.GI17944@char.us.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20160328152954.GI17944@char.us.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Konrad Rzeszutek Wilk Cc: Jan Beulich , Xen-devel List-Id: xen-devel@lists.xenproject.org T24gMjgvMDMvMTYgMTY6MjksIEtvbnJhZCBSemVzenV0ZWsgV2lsayB3cm90ZToKPiBPbiBXZWQs IE1hciAyMywgMjAxNiBhdCAwNDozNjoxNFBNICswMDAwLCBBbmRyZXcgQ29vcGVyIHdyb3RlOgo+ PiBDdXJyZW50bHksIHtwdixodm19X2NwdWlkKCkgaGFzIGEgbGFyZ2UgcXVhbnRpdHkgb2YgZXNz ZW50aWFsbHktc3RhdGljIGxvZ2ljCj4+IGZvciBtb2RpZnlpbmcgdGhlIGZlYXR1cmVzIHZpc2li bGUgdG8gYSBndWVzdC4gIEEgbG90IG9mIHRoaXMgY2FuIGJlIHN1YnN1bWVkCj4+IGJ5IHtwdixo dm19X2ZlYXR1cmVtYXNrLCB3aGljaCBpZGVudGlmeSB0aGUgZmVhdHVyZXMgYXZhaWxhYmxlIG9u IHRoaXMKPj4gaGFyZHdhcmUgd2hpY2ggY291bGQgYmUgZ2l2ZW4gdG8gYSBQViBvciBIVk0gZ3Vl c3QuCj4+Cj4+IFRoaXMgaXMgYSBzdGVwIGluIHRoZSBkaXJlY3Rpb24gb2YgZnVsbCBwZXItZG9t YWluIGNwdWlkIHBvbGljaWVzLCBidXQgbG90cwo+PiBtb3JlIGRldmVsb3BtZW50IGlzIG5lZWRl ZCBmb3IgdGhhdC4gIEFzIGEgcmVzdWx0LCB0aGUgc3RhdGljIGNoZWNrcyBhcmUKPj4gc2ltcGxp ZmllZCwgYnV0IHRoZSBkeW5hbWljIGNoZWNrcyBuZWVkIHRvIHJlbWFpbiBmb3Igbm93Lgo+Pgo+ PiBBcyBhIHNpZGUgZWZmZWN0LCBzb21lIG9mIHRoZSBsb2dpYyBmb3Igc3BlY2lhbCBmZWF0dXJl cyBjYW4gYmUgaW1wcm92ZWQuCj4+IE9TWFNBVkUgYW5kIE9TUEtFIHdpbGwgYmUgYXV0b21hdGlj YWxseSBjbGVhcmVkIGJlY2F1c2Ugb2YgYmVpbmcgYWJzZW50IGluIHRoZQo+PiBmZWF0dXJlbWFz ay4gIFRoaXMgYWxsb3dzIHRoZSBmYXN0LWZvcndhcmQgbG9naWMgdG8gYmUgbW9yZSBzaW1wbGUu Cj4+Cj4+IEluIGFkZGl0aW9uLCB0aGVyZSBhcmUgc29tZSBjb3JyZWN0aW9ucyB0byB0aGUgZXhp c3RpbmcgbG9naWM6Cj4+Cj4+ICAqIEhpZGluZyBQU0UzNiBvdXQgb2YgUEFFIG1vZGUgaXMgYXJj aGl0ZWN0dXJhbGx5IHdyb25nLiAgSXQgdHVybnMgb3V0IHRoYXQKPj4gICAgaXQgd2FzIGEgYnVn Zml4IGZvciBydW5uaW5nIEh5cGVyViB1bmRlciBYZW4sIHdoaWNoIHdhbnRlZCB0byBzZWUgUFNF MzYKPj4gICAgZXZlbiBhZnRlciBjaG9vc2luZyB0byB1c2UgUEFFIHBhZ2luZy4gIFBTRTM2IGlz IG5vdCBzdXBwb3J0ZWQgYnkgc2hhZG93Cj4+ICAgIHBhZ2luZywgc28gaXMgaGlkZGVuIGZyb20g bm9uLUhBUCBndWVzdHMsIGJ1dCBpcyBzdGlsbCB2aXNpYmxlIGZvciBIQVAKPj4gICAgZ3Vlc3Rz Lgo+PiAgKiBDaGFuZ2luZyB0aGUgdmlzaWJpbGl0eSBvZiBSRFRTQ1AgYmFzZWQgb24gaG9zdCBU U0Mgc3RhYmlsaXR5IG9yIHZpcnR1YWwKPj4gICAgVFNDIG1vZGUgaXMgYm9ndXMsIHNvIGRyb3Bw ZWQuCj4gV2h5IGlzIGl0IGJvZ3VzPyBJdCBpcyBhbiBQViBBQkkgdHlwZSBDUFVJRC4KClRoZSBD UFVJRCBiaXQgaGFzIGEgd2VsbCBkZWZpbmVkIG1lYW5pbmcsIGFuZCB0aGUgdnRzYyBpbmZyYXN0 cnVjdHVyZQp3ZW50IGFuZCBkaXZlcmdlZCB0aGUgQUJJIHByb3ZpZGVkIGJ5IEludGVsIGFuZCBB TUQuCgpJZiBpdCB3ZXJlIG9ubHkgUFYgZ3Vlc3RzLCBpdCB3b3VsZCBiZSBsZXNzIGJhZC4gIEhv d2V2ZXIsIGl0IGJyZWFrcyBIVk0KZ3Vlc3RzIGFzIHdlbGwgd2hpY2ggaXMgYWJzb2x1dGVseSBu b3Qgb2suCgpUaGUgbWVhbmluZyBvZiB0aGUgUkRUU0NQIGZlYXR1cmUgYml0IGlzIHdlbGwgZGVm aW5lZC4gIFRoZSBwcmVzZW5jZSBvZgp0aGUgYHJkdHNjcGAgaW5zdHJ1Y3Rpb24sIGFuZCB0aGUg VFNDX0FVWCBNU1IuCgpUaGUgdnRzYyBvcHRpb25zIGNvbnRyb2wgd2hldGhlciByZHRzYyhwKSBp cyBpbnRlcmNlcHRlZCBieSBYZW4sIGFuZAp3aGV0aGVyIHRoZSBndWVzdCBvciBYZW4gY29udHJv bHMgdGhlIEFVWCBNU1IuICBUaGVzZSBvcHRpb25zIGFyZQp1bnJlbGF0ZWQsIGFuZCBoYXZlIG5v IGJlYXJpbmcgb24gdGhlIGF2YWlsYWJpbGl0eSBvZiB0aGUgaW5zdHJ1Y3Rpb24gaW4KdGhlIGZp cnN0IHBsYWNlLgoKPgo+IEluZGVwZW5kZXRseSBvZiB0aGF0IHlvdSB3b3VsZCBhbHNvIG5lZWQg dG8gbW9kaWZ5IHRzY19tb2RlLnR4dCBmaWxlIGFuZCBhbGwgdXNlcwo+IG9mICd0c2NfbW9kZT0z Jy4KCkEgZ3Vlc3Qga2VybmVsIGNhbm5vdCB1c2UgdGhlIHByZXNlbmNlIG9yIGFic2VuY2Ugb2Yg dGhlIHJkdHNjcCBmZWF0dXJlCnRvIGlkZW50aWZ5IHdoaWNoIHZ0c2MgbW9kZSBpcyBpbiBpbnRl bmRlZCwgd2hpY2ggbmVjZXNzYXJpbHkgbWVhbnMKdGhlcmUgaXMgYW4gZXh0cmEgb3V0LW9mLWJh bmQgc2lnbmFsIGNvbnRyb2xsaW5nIGl0cyB1c2UuCgpJbiBwYXJ0aWN1bGFyLCB0aGUgY3VycmVu dCBpc3N1ZSBmaXhlZCBieSB0aGlzIGNoYW5nZSBpcyB0aGF0IGZvciB0aGUKZGVmYXVsdCBjYXNl LCBvbiBtaWdyYXRlLCB0aGUgcmR0c2NwIGZlYXR1cmUgZGlzYXBwZWFycyBmcm9tIHRoZSBkb21h aW4KYXMgdGhlIHRzYyBsb2dpYyBkZWNpZGVzIHRoYXQgdGhlIGZyZXF1ZW5jeSBoYXMgY2hhbmdl ZCBhbmQgdnRzYyBtb2RlCnNob3VsZCBiZSBlbmFibGVkLgoKfkFuZHJldwoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK