From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: PCI passthrough will cause unknown device appearance in device manager of Windows OS via xenstore keys Date: Mon, 10 Apr 2017 10:12:15 -0400 Message-ID: <20170410141215.GI21201@char.us.oracle.com> References: <9B58885955C6DD468CCDB27E993605EE0BA6DC19@SZXEMI502-MBS.china.huawei.com> <20170410132858.x7dymdyh6nh73qp2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20170410132858.x7dymdyh6nh73qp2@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Wei Liu , Venu Busireddy Cc: "Xuquan (Quan Xu)" , "sstabellini@kernel.org" , Andrew Cooper , Yanqiangjun , Ian Jackson , lidonglin , "xen-devel@lists.xen.org" , Fanhenglong , "dengkai (A)" List-Id: xen-devel@lists.xenproject.org T24gTW9uLCBBcHIgMTAsIDIwMTcgYXQgMDI6Mjg6NThQTSArMDEwMCwgV2VpIExpdSB3cm90ZToK PiBPbiBNb24sIEFwciAxMCwgMjAxNyBhdCAwMTo0NjoyMFBNICswMTAwLCBBbmRyZXcgQ29vcGVy IHdyb3RlOgo+ID4gT24gMTAvMDQvMTcgMTI6MjQsIGxpZG9uZ2xpbiB3cm90ZToKPiA+ID4KPiA+ ID4gSGkgYWxsOgo+ID4gPgo+ID4gPiAgICAgICAgICAgICAgICAgSSBoYXZlIG9uZSBxdWVzdGlv biBhYm91dCBQQ0kgcGFzc3Rocm91Z2guIEkgZm91bmQKPiA+ID4gdGhhdCBpZiBJIGNyZWF0ZWQg YSBWTSB3aXRoIGhvc3QgcGNpIGRldmljZShjZmcgZmlsZSBhcyBiZWxvdyksIHRoZXJlCj4gPiA+ IHdlcmUgc29tZSB4ZW5zdG9yZSBrZXlzIGV4c2l0aW5nIGluIC9sb2NhbC9kb21haW4vMCBhbmQK PiA+ID4gL2xvY2FsL2RvbWFpbi9Eb21JRC8uIEJlc2lkZXMgSSBmb3VuZCBvbmUgdW5rbm93biBk ZXZpY2UgaW4gZGV2aWNlCj4gPiA+IG1hbmFnZXIgb2YgV2luZG93cyBPUyB3aXRoIENsYXNzIElE IEZGODAgZnJvbSB2ZW5kb3IgSUQgNTg1My4gTXkKPiA+ID4gcXVlc3Rpb25zICBhcmUgYXMgYmVs b3c6Cj4gPiA+Cj4gPiA+ICAKPiA+ID4KPiA+ID4gMS4gICAgICAgV2h5IGRvIHdlIGNyZWF0ZSBm cm9udGVuZCBhbmQgYmFja2VuZCBrZXkgcGFpcnMgaW4geGVuc3RvcmU/Cj4gPiA+ICBJIHRoaW5r ICBQYXNzdGhyb3VnaCBpcyBub3QgUFYsICB3YXMgaXQgcG9zc2libGUgdGhhdCB3ZSBqdXN0IHVz ZWQKPiA+ID4gdGhlc2Uga2V5cyB0byByZWNvcmQgc29tZXRoaW5nPwo+ID4gPgo+ID4gPiAyLiAg ICAgICAgQWZ0ZXIgcmV2aWV3IHRoZSBjb2RlLCBJIHRoaW5rIGJhY2tlbmQga2V5cyBhcmUgdXNl ZCB0bwo+ID4gPiByZWNvcmQgc3RhdGUgb2YgaG9zdGRldiwgc29tZSBjb2RlcyB3aWxsIHF1ZXJ5 IHNvbWV0aGluZyB1c2luZyB0aGVzZQo+ID4gPiBrZXlzLiBCdXQgZm9yIGZyb250ZW5kIGtleXMs IGNhbiB3ZSBkZWxldGUgdGhlbT8KPiA+ID4KPiA+ID4gMy4gICAgICAgaWYgZnJvbnRlbmQga2V5 cyBleGlzdCBpbiB4ZW5zdG9yZSwgdGhlbiB1bmtub3duIGRldmljZSB3aWxsCj4gPiA+IGFwcGVh ciBpbiBkZXZpY2UgbWFuYWdlci4gQ2FuIHdlIGZpeCB0aGlzPyAgRm9yICBhbiBvYnNlc3NpdmUs ICBoZQo+ID4gPiBjYW7igJl0IHN0YW5kIGZvciB0aGlzLgo+ID4gPgo+ID4gCj4gPiBUaGlzIGlz IGEgbGlieGwgYnVnIHdoaWNoIGhhcyBiZWVuIHJlcG9ydGVkIGJlZm9yZSwgYnV0IG5vdGhpbmcg aGFwcGVuZWQuCj4gPiAKPiA+IGxpYnhsIG11c3Qgbm90IHN0YXJ0IGEgUFYgcGNpLWJhY2sgd2hl biBkb2luZyBIVk0gUENJIHBhc3N0aHJvdWdoIHVzaW5nCj4gPiBxZW11LCBiZWNhdXNlIGFic29s dXRlbHkgbm90aGluZyBnb29kIGNhbiBjb21lIG9mIGhhdmluZyB0d28gZGlmZmVyZW50Cj4gPiB3 YXlzIG9mIHBva2luZyBhdCBQQ0kgc3RhdGUuCj4gPiAKPiA+IFRoZSBwYXRjaCwgdW5jaGFuZ2Vk IGZyb20gYmVmb3JlLCBpcwo+ID4gaHR0cHM6Ly9naXRodWIuY29tL3hlbnNlcnZlci94ZW4tNC43 LnBnL2Jsb2IvbWFzdGVyL21hc3Rlci8wMDAxLWxpYnhsLURvbi10LWluc2VydC1QQ0ktZGV2aWNl LWludG8teGVuc3RvcmUtZm9yLUhWTS0ucGF0Y2gKPiA+IAo+IAo+IElTVFIgS29ucmFkIG1hZGUg c29tZSBjb21tZW50cyBhYm91dCBpdC4gQ0MgS29ucmFkLgoKQXllLiBNeSBwcmltYXJ5IGJlZWYg d2FzIHRoYXQgeW91IG5lZWQgc29tZSBGTFIgbWVjaGFuaXNtIGFuZCBwY2liYWNrCmRvZXMgdGhh dC4gVGhlICdkb19mbHInIHdhcyB0aGUgc29sdXRpb24gdG8gdGhhdCAtIGFzIHlvdSBjb3VsZApl ZmZlY3RpdmVseSBkbyBpdCB2aWEgYW4gaW9jdGwgYW5kIGFsbCB3b3VsZCBiZSBnb29kLgoKRXhj ZXB0IEkgYW0gcHJvYmFibHkgbWlzc2luZyBzb21lIGVkZ2UgY2FzZSAobGlrZSBndWVzdCBpcyBr aWxsZWQKYW5kIHdlIG5lZWQgdG8gZG8gYW4gRkxSIGFnYWluLCBvciB0aGVyZSBhcmUgQUVScyB0 byBkZWFsIHdpdGgsIGV0Yykgc28Kc29tZSBwY2liYWNrIC0+IHhlbnN0b3JlIC0+IGxpYnhsIG5l ZWRzIHRvIGJlIGluIHBsYWNlIGV2ZW4gZm9yIEhWTSBndWVzdHMuCgpKdXN0IGRpc2FibGluZyBw Y2liYWNrIGZvciBIVk0gZG9lcyBub3Qgc29sdmUgdGhlIHByb2JsZW0gdGhhdDoKCiAtIFdlIG5l ZWQgRkxSCiAtIFdlIG5lZWQgQUVSIHN1cHBvcnQgKENDLWluZyBWZW51IHdobyBpcyB3b3JraW5n IG9uIHRoaXMgZm9yIGxpYnhsL3BjaWJhY2spCgo+IAo+ID4gfkFuZHJldwoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVs Cg==