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: Mon, 06 Jun 2016 02:41:38 -0600 Message-ID: <5755536202000078000F1E23@prv-mh.provo.novell.com> References: <57509021.1060506@datanoise.net> <57518B9202000078000F18C7@prv-mh.provo.novell.com> <5751A19502000078000F1982@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: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: =?UTF-8?Q?J=C3=BCrgen=20Walter?= Cc: Juergen Gross , xen-devel@lists.xen.org, David Vrabel , Boris Ostrovsky , Sylwester Sosnowski List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA0LjA2LjE2IGF0IDE3OjE1LCA8anV3YWx0ZXJAZ21haWwuY29tPiB3cm90ZToKPiBP biAzIEp1biAyMDE2LCBhdCAxNToyNiwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+IEknbGwgc2VlIHRv IHB1dCB0b2dldGhlciBhIHBhdGNoIGZvciB0aGUgcmVjb2duaXphYmxlIHByb2JsZW0sCj4+IGJ1 dCBJJ20gc3RpbGwgdW5jbGVhciBhYm91dCB5b3VyIGFjdHVhbCBvbmUuCj4gCj4gcmVnYXJkaW5n IHRoZSBhY3R1YWwgb25lOiB3aGlsZSBpdCBpcyBzdGlsbCBub3Qgd29ya2luZywgSSBtYW5hZ2Vk IHRvIAo+IGRpZyBkZWVwZXIgYW5kIGZvdW5kIGEgZmV3IG9ic2VydmF0aW9ucwo+IAo+IGJhY2tn cm91bmQ6IHRoZXJlIGlzIGEgZHJpdmVyL2tlcm5lbCBtb2R1bGUsIGFuZCBhIHVzZXIgc3BhY2Ug bGlicmFyeSwgCj4gYW5kIGEgInRlc3QgY29uc29sZSIKPiB0aGUgInRlc3QgY29uc29sZSIgdXNl cyB0aGUgbGlicmFyeSwgYW5kIGludm9rZXMgImNpZlhJbml0IiAoaW5pdGlhbGlzZSAKPiB0aGUg UENJIGNhcmQpCj4gCj4gZHVyaW5nIGluaXQsIGl0IGRvZXMKPiBhKSByZWFkIHBjaSBjb25maWcg KHNwYWNlKQo+IGIpIHNlbmQgcmVzZXQgc2VxdWVuY2UgdG8gdGhlIFBDSSBkZXZpY2UKPiBjKSB3 cml0ZXMgYmFjayB0aGUgcGNpIGNvbmZpZyBzYXZlZCBmcm9tIHN0ZXAgImEpIiAocmVzdG9yZSkK CkknbSBzb3JyeSB0byBtZW50aW9uIHRoYXQsIGJ1dCBzbyBmYXIgeW91IHN0aWxsIGRpZG4ndCBw cm92aWRlIGEKbWF0Y2hpbmcgcGNpYmFjayBsb2cgZm9yIHRoYXQgcG9ydGlvbiBvZiB0aGUgb3Bl cmF0aW9uLCBhdCBsZWFzdAphZmFpY3QuCgo+IC0gb24gdGhlIERvbVUgLSB3aGVuIEkgcnVuIHRo YXQgInRlc3QgY29uc29sZSIgdG9vbCwgdGhlICJsc3BjaSAteHh4IiAKPiBvdXRwdXQgaXMgZGlm ZmVyZW50IGZyb20gYmVmb3JlL2FmdGVyCj4gbm90IG11Y2gsIHRob3VnaCwgb25seSBvbmUgcmVn aXN0ZXIoPykKPiAKPiBkaWZmIGxzcGNpLmJlZm9yZS10ZXN0Y29uc29sZSBsc3BjaS5hZnRlci10 ZXN0Y29uc29sZQo+IDJjMgo+IDwgMDA6IGNmIDE1IDAwIDAwIDAyIDAxIDAwIDAyIDAwIDAwIDAw IGZmIDAwIDQwIDAwIDAwCj4gLS0tCj4+IDAwOiBjZiAxNSAwMCAwMCAwMiAwMSAwMCAwMiAwMCAw MCAwMCBmZiAwMCAwMCAwMCAwMAoKT2theSwgdGhhdCdzIHRoZSBMYXRlbmN5IFRpbWVyIGZpZWxk LCBhbmQgSSB0aGluayBqdXN0IGxpa2UgQkFScyB3ZQptYXkgbmVlZCB0byBwZXJtaXQgcmVzdG9y aW5nIHRoaXMgZmllbGQuIEhvd2V2ZXIsIHBsZWFzZSBub3RlIHRoYXQKdGhlIHJlc2V0IGJlaW5n IGRvbmUgYmVoaW5kIHRoZSBiYWNrIG9mIHBjaWJhY2sgcmVhbGx5IGlzIHRoZQpwcm9ibGVtIGhl cmU6IHBjaWJhY2sgYXNzdW1lcyAoZm9yIGEgcmVhc29uLCBhcyB5b3UgY2FuIGNlcnRhaW5seQp1 bmRlcnN0YW5kKSB0aGF0IGl0IGhhcyBmdWxsIGNvbnRyb2wgb3ZlciBjb25maWcgc3BhY2Ugb2Yg YSBwYXNzZWQKdGhyb3VnaCBkZXZpY2UuCgpBbmQgYWN0dWFsbHkgdGhlIGxhdGVuY3kgdGltZXIg d291bGQsIGFzIGEgc2lkZSBlZmZlY3Qgb2YgZW5hYmxpbmcKYnVzIG1hc3RlcmluZyBvbiB0aGUg ZGV2aWNlICh2aWEgdGhlIHBjaV9zZXRfbWFzdGVyKCkgY2FsbCBmcm9tCmNvbW1hbmRfd3JpdGUo KSkgc2V0IHRoZSBMYXRlbmN5IFRpbWVyIGZpZWxkIHByb3Blcmx5LCBqdXN0IHRoYXQKYWdhaW4g cGNpYmFjayAoYW5kIHRoZSByZXN0IG9mIERvbTAncyBQQ0kgc3Vic3lzdGVtKSB0aGlua3MgdGhh dApidXMgbWFzdGVyaW5nIGlzIGFscmVhZHkgZW5hYmxlZCBvbiB0aGUgZGV2aWNlLiBTbyBwZXJo YXBzIGluCnBlcm1pc3NpdmUgbW9kZSB3ZSBzaG91bGQgc2ltcGx5IGFsbG93IHRoZSBsYXRlbmN5 IHRpbWVyIGZpZWxkIHRvCmJlIHdyaXR0ZW4sIGp1c3QgbGlrZSB3ZSBhbGxvdyB3cml0aW5nIHZh cmlvdXMgb2YgdGhlIENvbW1hbmQKUmVnaXN0ZXIgYml0cyBpbiB0aGF0IG1vZGUuIE1haW50YWlu ZXJzLCB3aGF0IGRvIHlvdSB0aGluaz8KCklmIHdlIGRlY2lkZSB0byBnbyB0aGF0IHJvdXRlLCBJ IHdvdWxkIHRoZW4gd29uZGVyIHdoZXRoZXIKQ2FjaGUgTGluZSBTaXplIGJlaW5nIHVuY29uZGl0 aW9uYWxseSB3cml0YWJsZSByaWdodCBub3cgd291bGQKYWxzbyBiZXR0ZXIgYmUgcmVzdHJpY3Rl ZCB0byBwZXJtaXNzaXZlIG1vZGUuCgpJbiBhbnkgZXZlbnQsIErDvHJnZW4sIGl0IHdvdWxkIGJl IGhlbHBmdWwgaWYgeW91IGNvdWxkIGNvbmZpcm0KdGhhdCBpbnN0ZWFkIG9mIHlvdXIgZ3Jvc3Mg aGFjaywgb25seSBwZXJtaXR0aW5nIHRoZSBhY3R1YWwgd3JpdGUKb2YgdGhhdCBvbmUgZmllbGQg d291bGQgYWxzbyBtYWtlIHRoZSBkZXZpY2UgdXNhYmxlIGJ5IHRoZSBndWVzdC4KCkphbgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1h aWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94 ZW4tZGV2ZWwK