From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v10 5/9] xen/x86: allow HVM guests to use hypercalls to bring up vCPUs Date: Thu, 10 Dec 2015 09:53:41 -0700 Message-ID: <5669BC2502000078000BE467@prv-mh.provo.novell.com> References: <1449506917-26426-1-git-send-email-roger.pau@citrix.com> <1449506917-26426-6-git-send-email-roger.pau@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1a74TQ-00020r-9b for xen-devel@lists.xenproject.org; Thu, 10 Dec 2015 16:53:44 +0000 In-Reply-To: <1449506917-26426-6-git-send-email-roger.pau@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Roger Pau Monne Cc: Andrew Cooper , Stefano Stabellini , Ian Campbell , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA3LjEyLjE1IGF0IDE3OjQ4LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdyb3RlOgo+ IEFsbG93IHRoZSB1c2FnZSBvZiB0aGUgVkNQVU9QX2luaXRpYWxpc2UsIFZDUFVPUF91cCwgVkNQ VU9QX2Rvd24sCj4gVkNQVU9QX2lzX3VwLCBWQ1BVT1BfZ2V0X3BoeXNpZCBhbmQgVkNQVU9QX3Nl bmRfbm1pIGh5cGVyY2FsbHMgZnJvbSBIVk0KPiBndWVzdHMuCj4gCj4gVGhpcyBwYXRjaCBpbnRy b2R1Y2VzIGEgbmV3IHN0cnVjdHVyZSAodmNwdV9odm1fY29udGV4dCkgdGhhdCBzaG91bGQgYmUg dXNlZAo+IGluIGNvbmp1Y3Rpb24gd2l0aCB0aGUgVkNQVU9QX2luaXRpYWxpc2UgaHlwZXJjYWxs IGluIG9yZGVyIHRvIGluaXRpYWxpemUKPiB2Q1BVcyBmb3IgSFZNIGd1ZXN0cy4KPiAKPiBTaWdu ZWQtb2ZmLWJ5OiBSb2dlciBQYXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNvbT4KPiBTaWdu ZWQtb2ZmLWJ5OiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgoKUmV2 aWV3ZWQtYnk6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KYWxiZWl0IEkgbWF5IGZp ZGRsZSB3aXRoIHNvbWUgb2YgdGhlIG1lc3NhZ2VzIGluIGNoZWNrX3NlZ21lbnQoKQp1cG9uIGNv bW1pdHRpbmcsIGFuZCBwZW5kaW5nIGNsYXJpZmljYXRpb24gb24gLi4uCgo+ICsgICAgaWYgKCBo dm1fcGFnaW5nX2VuYWJsZWQodikgJiYgIXBhZ2luZ19tb2RlX2hhcCh2LT5kb21haW4pICkKPiAr ICAgIHsKPiArICAgICAgICAvKiBTaGFkb3ctbW9kZSBDUjMgY2hhbmdlLiBDaGVjayBQREJSIGFu ZCB1cGRhdGUgcmVmY291bnRzLiAqLwo+ICsgICAgICAgIHN0cnVjdCBwYWdlX2luZm8gKnBhZ2Ug PSBnZXRfcGFnZV9mcm9tX2dmbih2LT5kb21haW4sCj4gKyAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgIHYtPmFyY2guaHZtX3ZjcHUuZ3Vlc3RfY3JbM10gPj4gUEFHRV9TSElGVCwKPiAr ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgTlVMTCwgUDJNX0FMTE9DKTsKPiArICAg ICAgICBpZiAoICFwYWdlICkKPiArICAgICAgICB7Cj4gKyAgICAgICAgICAgIGdwcmludGsoWEVO TE9HX0VSUiwgIkludmFsaWQgQ1IzOiAlI2x4XG4iLAo+ICsgICAgICAgICAgICAgICAgICAgIHYt PmFyY2guaHZtX3ZjcHUuZ3Vlc3RfY3JbM10pOwo+ICsgICAgICAgICAgICBkb21haW5fY3Jhc2go di0+ZG9tYWluKTsKPiArICAgICAgICAgICAgcmV0dXJuIC1FSU5WQUw7Cj4gKyAgICAgICAgfQoK Li4uIHdoeSB5b3UgY3Jhc2ggdGhlIGRvbWFpbiBoZXJlIHdoZW4geW91IGRvbid0IG9uIGFueSBv biB0aGUKZWFybGllciBlcnJvciBwYXRocy4KCkphbgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK