From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: Issues with PCI-Passtrough (VT-d) in HVM with Xen 4.6 Date: Wed, 15 Jun 2016 07:14:18 -0600 Message-ID: <576170CA02000078000F5556@prv-mh.provo.novell.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrey Grodzovsky Cc: jw@quattru.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDE1LjA2LjE2IGF0IDEyOjQ1LCA8YW5kcmV5MjgwNUBnbWFpbC5jb20+IHdyb3RlOgo+ IEluIHJlcGx5IHRvIC0KPiBodHRwOi8vbGlzdHMueGVuLm9yZy9hcmNoaXZlcy9odG1sL3hlbi1k ZXZlbC8yMDE2LTA2L21zZzAwNjIyLmh0bWwgCj4gCj4gSEksIEkgYW0gd29ya2luZyB3aXRoIEp1 cmdlbiBvbiB0aGUgaXNzdWUsIGFzIHBlciBKYW4ncyByZXF1ZXN0IEkgdHJpZWQgdG8KPiB3cml0 ZSBleHBsaWNpdGx5IG9ubHkgbGF0ZW5jeSB0aW1lciB0byBiZSB3cml0dGVuIC0KPiBib29sIGZv cmNlX3dyaXRlID0gZmFsc2U7Cj4gaWYgKChkZXZfZGF0YS0+cGVybWlzc2l2ZSB8fCB4ZW5fcGNp YmtfcGVybWlzc2l2ZSkgJiYKPiAgICAgICAgICAgICAgIG9mZnNldCA9PSBQQ0lfQ0FDSEVfTElO RV9TSVpFICYmIHNpemUgPT0gNCkKPiAgICAgICAgICAgICAgZm9yY2Vfd3JpdGUgPSB0cnVlOwo+ IC4uLgo+IAo+IGlmICgoZm9yY2Vfd3JpdGUgfHwgIWhhbmRsZWQpICYmICFlcnIpIHsuLi59Cj4g Cj4gQnV0IHRoZW4gaXQgZXhwb3NlZCBhbm90aGVyIGlzc3VlLCB0aGUgY29tbWFuZCByZWdpc3Rl ciBmaWVsZCBzZWVtcyBub3QgdG8KPiBiZSByZXN0b3JlZCBhbHNvCj4gYmVjYXVzZSBJIHRoaW5r IHRoZSBiaXRzIHdoaWNoIGFyZSB0byBiZSByZXN0b3JlZCBhcmUgbm90Cj4gaW4gUENJX0NPTU1B TkRfR1VFU1QgbWFzay4KClBsZWFzZSBiZSBtb3JlIHByZWNpc2U6IFdoaWNoIGJpdHMgaW4gcGFy dGljdWxhciBhcmUgbm90IGdldHRpbmcKc2V0IGJhY2sgdG8gdGhlIG5lZWRlZCB2YWx1ZXMgKEkg d291bGQgZ3Vlc3MgdGhlIG1lbW9yeQphbmQvb3IgSS9PIGRlY29kZSBvbmVzLCB3aGljaCB3ZSBz cGVjaWZpY2FsbHkgbXVzdCBub3QgYWxsb3cKdGhlIGd1ZXN0IHRvIGNvbnRyb2wsIGJ1dCBJJ2Qg bGlrZSB0byBiZSBjZXJ0YWluKT8KCklmIG15IGd1ZXNzIGlzIGNvcnJlY3QsIHRoZW4gSSB0aGlu ayByYXRoZXIgdGhhbiBhZGRpbmcgc29tZQpoYWNraXNoIHdvcmthcm91bmQgdG8gcGNpYmFjayB5 b3UnZCBiZXR0ZXIgc2VlIHdoZXRoZXIgdGhlcmUncwphIHdheSB0byBjYXVzZSBhIHBjaV9kaXNh YmxlX2RldmljZSgpIHRocm91Z2ggeW91ciBkcml2ZXIgYmVmb3JlCnRoZSByZXNldCwgYW5kIGEg cGNpX2VuYWJsZV9kZXZpY2UoKSBhZnRlci4gT3IgYWN0dWFsbHksIEkgdGhpbmsKeW91IGNhbiBk byB0aGlzIHZpYSBwbGFpbiBjb25maWcgc3BhY2Ugd3JpdGVzIGZyb20geW91ciBkcml2ZXI6IFRy eQp3cml0aW5nIHRoZSBDb21tYW5kIFJlZ2lzdGVyIHdpdGggdGhlIHR3byBkZWNvZGUgYml0cyBj bGVhcgpyaWdodCBiZWZvcmUgcmVzdG9yaW5nIHRoZSBpbnRlbmRlZCB2YWx1ZSAoc2VlIHRoZSBs b2dpYyBjbG9zZSB0bwp0aGUgdG9wIG9mIGNvbW1hbmRfd3JpdGUoKSkuCgpKYW4KCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1k ZXZlbAo=