From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v3 09/28] xen/x86: Calculate maximum host and guest featuresets Date: Tue, 22 Mar 2016 14:37:52 +0000 Message-ID: <56F158C0.5090100@citrix.com> References: <1458056124-8024-1-git-send-email-andrew.cooper3@citrix.com> <1458056124-8024-10-git-send-email-andrew.cooper3@citrix.com> <56EC446002000078000DE794@prv-mh.provo.novell.com> <56F12B1F.4070806@citrix.com> <56F14B1302000078000DF27D@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: <56F14B1302000078000DF27D@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 T24gMjIvMDMvMTYgMTI6MzksIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDIyLjAzLjE2IGF0 IDEyOjIzLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4+IE9uIDE4LzAzLzE2 IDE3OjA5LCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4+IE9uIDE1LjAzLjE2IGF0IDE2OjM1LCA8 YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4+Pj4gK3N0YXRpYyB2b2lkIF9faW5p dCBjYWxjdWxhdGVfaHZtX2ZlYXR1cmVzZXQodm9pZCkKPj4+PiArewo+Pj4+ICsgICAgdW5zaWdu ZWQgaW50IGk7Cj4+Pj4gKyAgICBjb25zdCB1aW50MzJfdCAqaHZtX2ZlYXR1cmVtYXNrOwo+Pj4+ ICsKPj4+PiArICAgIGlmICggIWh2bV9lbmFibGVkICkKPj4+PiArICAgICAgICByZXR1cm47Cj4+ Pj4gKwo+Pj4+ICsgICAgaHZtX2ZlYXR1cmVtYXNrID0gaHZtX2Z1bmNzLmhhcF9zdXBwb3J0ZWQg Pwo+Pj4+ICsgICAgICAgIGh2bV9oYXBfZmVhdHVyZW1hc2sgOiBodm1fc2hhZG93X2ZlYXR1cmVt YXNrOwo+Pj4gSSBrbm93IEkgYXNrZWQgYWJvdXQgdGhpcyBiZWZvcmUsIGFuZCBpdCBzdGlsbCBw dXp6bGVzIG1lLiBDb3VsZCB5b3UKPj4+IGFkZCBzb21lIGV4cGxhbmF0aW9uIG9mIHRoaXMgdG8g dGhlIGNvbW1pdCBtZXNzYWdlIG9yIGEgY29tbWVudD8KPj4gSSBhbSBub3Qgc3VyZSB3aGF0IG1v cmUgSSBjYW4gc2F5IGFib3V0IGl0Lgo+Pgo+PiBUaGUgdG9vbHN0YWNrIG5lZWRzIHRoZSBiZSBh YmxlIHRvIHNlZSB0aGUgZGlmZmVyZW5jZSBiZXR3ZWVuIGEgZ3Vlc3QKPj4gc3RhcnRlZCBpbiBz aGFkb3cgbW9kZSBvbiBoYXAgaGFyZHdhcmUsIHRvIGJlIGFibGUgdG8gY29ycmVjdGx5Cj4+IGNh bGN1bGF0ZSB3aGV0aGVyIGl0IGNhbiBtaWdyYXRlIHRvIGhhcC1pbmNhcGFibGUgaGFyZHdhcmUu IAo+IERpZmZlcmVuY2UgdG8gd2hhdD8gQSBIQVAgZ3Vlc3Q/IEhvdyB3b3VsZCB0aGF0IGRpZmZl cmVuY2UgYmUKPiBpbnZpc2libGUgaWYgeW91IHN1cmZhY2VkIHR3byBmZWF0dXJlIHNldHM/IEV2 ZW4gbW9yZSAtIHdpdGgganVzdAo+IG9uZSBmZWF0dXJlIHNldCBleHBvc2VkLCBob3cgd291bGQg dGhlIHRvb2wgc3RhY2sgc2VlIHRoYXQgdmVyeQo+IGRpZmZlcmVuY2U/CgpBdCB0aGUgbW9tZW50 LCBhIHRvb2xzdGFjayBjcmVhdGVzIGEgZG9tYWluLCBhbmQgaGFzIG5vIGNsdWUgd2hhdCB0aGUK ZG9tYWluIGNhbiBhY3R1YWxseSBzZWUgaW4gY3B1aWQuICBJbiBwYXJ0aWN1bGFyLCBpdCBjYW4n dCByZXRyaWV2ZSB0aGUKImxvc3QgYml0cyIgd2hpY2ggWGVuIGR5bmFtaWNhbGx5IGRpc2FibGVz LgoKQXMgYSByZXN1bHQsIGNyZWF0aW5nIGEgc2hhZG93IGRvbWFpbiBvbiBhIGhhcC1jYXBhYmxl IGhvc3QgcmVzdWx0cyBpbgptaXNpbmZvcm1hdGlvbiBhYm91dCB3aGljaCBmZWF0dXJlcyB0aGUg Z3Vlc3Qgd2FzIGFkdmVydGlzZWQgYXQgYm9vdC4gClRoaXMgaW4gdHVybiBsZWFkcyB0byBhbiBl cnJvbmlvdXMgZGVjaXNpb24gdGhhdCB0aGUgZG9tYWluIGNhbid0IGJlCm1pZ3JhdGVkIHRvIGEg aGFwLWluY2FwYWJsZSBob3N0LgoKPgo+PiBUaGVyZSBpcyBubyAiZ2V0X2NwdWlkX3BvbGljeSIg aHlwZXJjYWxsLCBzbyBhIHRvb2xzdGFjayBjYW5ub3QgcXVlcnkKPj4gd2hhdCBhIGd1ZXN0IGNh biBhY3R1YWxseSBzZWUsIGFmdGVyIFhlbidzIGR5bmFtaWMgY2hlY2tzIGhhdmUgdGFrZW4gcGxh Y2UuCj4+Cj4+IEltcGxlbWVudGluZyBnZXRfY3B1aWRfcG9saWN5IGRlcGVuZHMgb24gWGVuIGhh dmluZyBhIGZ1bGwgbW9kZWwgb2YKPj4gY3B1aWQgc3RhdGUsIHdoaWNoIGlzIHRvbyBtdWNoIHdv cmsgdG8gYmUgcm9sbGVkIHRvZ2V0aGVyIGludG8gdGhpcyBzZXJpZXMuCj4+Cj4+IExpa2UgYWxs IG9mIHRoZSBkeW5hbWljIGNoZWNrcyBsYXRlciwgaXQgaXMgb25seSBhbiBpbnRlcm1lZGlhdGUg c3RlcCwKPj4gYW5kIEkgZG8gaGF2ZSBwbGFucyB0byByZW1vdmUgdGhlbSBsb25ndGVybSB3aGVu IFhlbiBoYXMgYSBiZXR0ZXIgbW9kZWwKPj4gb2YgY3B1aWQuCj4gSSB1bmRlcnN0YW5kIHRoaXMg aXMgc3ViamVjdCB0byBmdXJ0aGVyIGNoYW5nZXMgZG93biB0aGUgcm9hZC4gQnV0Cj4gd2UgYWxs IGtub3cgdGhhdCBnZXR0aW5nIHRoZXJlIG1heSB0YWtlIHRpbWUsIHNvIGdldHRpbmcgdGhpbmdz Cj4gcmlnaHQgZm9yIHRoZSB0aW1lIHVudGlsIHRoZW4gaXMgcXVpdGUgbmVjZXNzYXJ5ICh0aGUg bW9yZSB0aGF0IHdlJ3JlCj4gZ29pbmcgdG8gcmVsZWFzZSA0LjcgaW4gc3VjaCBpbnRlcm1lZGlh dGUgc3RhdGUgYWl1aSkuCgpUaGlzIGlzIGFsbCBhbiBpbnRlcm5hbCBpbXBsZW1lbnRhdGlvbiBk ZXRhaWwuICBJdCAodmVyeSBkZWxpYmVyYXRlbHkpCmRvZXNuJ3QgbWFuaWZlc3QgaW4gdGhlIHB1 YmxpYyBBUEkuCgpJdCBleGlzdHMgb25seSBpbnRlcm5hbGx5IHRvIFhlbiwgYW5kIGluIHRoZSBs aWJ4YyB3cmFwcGVyIGV4cG9zaW5nIHRoZQphdXRvZ2VuZXJhdGVkIGluZm9ybWF0aW9uLgoKfkFu ZHJldwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMu eGVuLm9yZy94ZW4tZGV2ZWwK