From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH 04/10] x86/cpuid: Handle leaf 0x4 in guest_cpuid() Date: Tue, 21 Feb 2017 17:35:20 +0000 Message-ID: <1a44e496-8dbc-532b-7ee2-0d5f87c471bc@citrix.com> References: <1487588434-4359-1-git-send-email-andrew.cooper3@citrix.com> <1487588434-4359-5-git-send-email-andrew.cooper3@citrix.com> <58AC8404020000780013C62C@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <58AC8404020000780013C62C@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Xen-devel List-Id: xen-devel@lists.xenproject.org T24gMjEvMDIvMTcgMTc6MTYsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDIwLjAyLjE3IGF0 IDEyOjAwLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4+IC0tLSBhL3hlbi9h cmNoL3g4Ni9jcHVpZC5jCj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni9jcHVpZC5jCj4+IEBAIC0xNjMs NiArMTYzLDkgQEAgc3RhdGljIHZvaWQgcmVjYWxjdWxhdGVfeHN0YXRlKHN0cnVjdCBjcHVpZF9w b2xpY3kgKnApCj4+ICAgKi8KPj4gIHN0YXRpYyB2b2lkIHJlY2FsY3VsYXRlX21pc2Moc3RydWN0 IGNwdWlkX3BvbGljeSAqcCkKPj4gIHsKPj4gKyAgICAvKiBMZWF2ZXMgd2l0aCBzdWJsZWFmIHVu aW9ucy4gKi8KPj4gKyAgICBwLT5iYXNpYy5yYXdbMHg0XSA9IHAtPmJhc2ljLnJhd1sweDddID0g cC0+YmFzaWMucmF3WzB4ZF0gPSBFTVBUWV9MRUFGOwo+IEhvdyBjb21lIHlvdSBwbGF5IHdpdGgg bGVhdmVzIDcgYW5kIDB4ZCBoZXJlPwoKVGhpcyBwYXJ0aWN1bGFyIHBpZWNlIG9mIGNsb2JiZXJp bmcgd2FzIHNvbWV0aGluZyB3aGljaCBoYXMgb25seSBqdXN0Cm9jY3VycmVkIHRvIG1lIG5vdyB3 aGVuIGltcGxlbWVudGluZyB0aGUgbGVhZiA0IHVuaW9uLgoKVGhlbiBhZ2FpbiwgdGhlcmUgaXMg bm8gc3VwcG9ydGVkIHdheSBvZiBnZXR0aW5nIGFueSB2YWx1ZXMgaW50byB0aG9zZQpwYXJ0aWN1 bGFyIHJvd3MsIG9yIHJlYWRpbmcgb3V0IG9mIHRoZW0sIHNvIEkgY291bGQganVzdCByZWx5IG9u IG5vLW9uZQpjYXJpbmc/Cgo+Cj4+IEBAIC0yNDQsNiArMjQ4LDI1IEBAIHN0YXRpYyB2b2lkIF9f aW5pdCBjYWxjdWxhdGVfcmF3X3BvbGljeSh2b2lkKQo+PiAgICAgICAgICBjcHVpZF9sZWFmKGks ICZwLT5iYXNpYy5yYXdbaV0pOwo+PiAgICAgIH0KPj4gIAo+PiArICAgIGlmICggcC0+YmFzaWMu bWF4X2xlYWYgPj0gNCApCj4+ICsgICAgewo+PiArICAgICAgICBmb3IgKCBpID0gMDsgaSA8IEFS UkFZX1NJWkUocC0+Y2FjaGUucmF3KTsgKytpICkKPj4gKyAgICAgICAgewo+PiArICAgICAgICAg ICAgY3B1aWRfY291bnRfbGVhZig0LCBpLCAmcC0+Y2FjaGUucmF3W2ldKTsKPj4gKwo+PiArICAg ICAgICAgICAgaWYgKCBwLT5jYWNoZS5zdWJsZWFmW2ldLnR5cGUgPT0gMCApCj4+ICsgICAgICAg ICAgICAgICAgYnJlYWs7Cj4+ICsgICAgICAgIH0KPj4gKwo+PiArICAgICAgICAvKgo+PiArICAg ICAgICAgKiBUaGUgY2hvaWNlIG9mIENQVUlEX0dVRVNUX05SX0NBQ0hFIGlzIGFyYml0cmFyeS4g IEl0IGlzIGV4cGVjdGVkCj4+ICsgICAgICAgICAqIHRoYXQgaXQgd2lsbCBldmVudHVhbGx5IG5l ZWQgaW5jcmVhc2luZyBmb3IgZnV0dXJlIGhhcmR3YXJlLgo+PiArICAgICAgICAgKi8KPj4gKyAg ICAgICAgaWYgKCBpID09IEFSUkFZX1NJWkUocC0+Y2FjaGUucmF3KSApCj4+ICsgICAgICAgICAg ICBwcmludGsoWEVOTE9HX1dBUk5JTkcKPj4gKyAgICAgICAgICAgICAgICAgICAiQ1BVSUQ6IElu c3VmZmljaWVudCBMZWFmIDQgc3BhY2UgZm9yIHRoaXMgaGFyZHdhcmVcbiIpOwo+PiArICAgIH0K PiBJdCBwcm9iYWJseSBkb2Vzbid0IGh1cnQsIGJ1dCBpdCdzIG9uZSBvZmY6IFRoZXJlJ3Mgbm8g ZW5vdWdoIHNwYWNlCj4gb25seSB3aGVuIHRoZSBuZXh0IChpLXRoKSBkb2Vzbid0IHJlcG9ydCB0 eXBlIDAuCgpUaGlzIGJpdCBvZiBsb2dpYyBpcyBzbGlnaHRseSBhd2t3YXJkLiAgV2UgcmVhZCBp bnRvIHAtPmNhY2hlLnJhd1tpXQpiZWZvcmUgbG9va2luZyB0byBzZWUgd2hldGhlciBwLT5jYWNo ZS5zdWJsZWFmW2ldLnR5cGUgaXMgdGhlIGVuZCBvZiB0aGUKbGlzdC4gIEFzIHN1Y2ggd2UgYWx3 YXlzIHJlYWQgb25lLXBhc3QtdGhlLWVuZC4KCj4KPj4gQEAgLTEyNSw2ICsxMjYsMTUgQEAgc3Ry dWN0IGNwdWlkX3BvbGljeQo+PiAgICAgICAgICB9Owo+PiAgICAgIH0gYmFzaWM7Cj4+ICAKPj4g KyAgICAvKiBTdHJ1Y3R1cmVkIGNhY2hlIGxlYWY6IDB4MDAwMDAwMDRbeHhdICovCj4+ICsgICAg dW5pb24gewo+PiArICAgICAgICBzdHJ1Y3QgY3B1aWRfbGVhZiByYXdbQ1BVSURfR1VFU1RfTlJf Q0FDSEVdOwo+PiArICAgICAgICBzdHJ1Y3Qgewo+PiArICAgICAgICAgICAgdWludDMyX3QgdHlw ZTo0LAo+IEFjY29yZGluZyB0byB0aGUgU0RNIHZlcnNpb24gSSdtIGxvb2tpbmcgYXQgdGhpcyBp cyBhIDUgYml0IGZpZWxkLgoKUmlnaHQgeW91IGFyZS4gIEknZCBnb3QgY29uZnVzZWQgYnkgdGhl ICJCaXRzIDA0IC0gMDAiLiAgV2lsbCBmaXguCgp+QW5kcmV3CgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1k ZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK