From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu Zhang Subject: Re: [PATCH v7 2/5] x86/ioreq server: Add DMOP to map guest ram with p2m_ioreq_server to an ioreq server. Date: Tue, 14 Mar 2017 17:52:40 +0800 Message-ID: <58C7BD68.1050802@linux.intel.com> References: <1488987232-12349-1-git-send-email-yu.c.zhang@linux.intel.com> <1488987232-12349-3-git-send-email-yu.c.zhang@linux.intel.com> <58C2D462020000780014203E@prv-mh.provo.novell.com> <58C3B85F.6060205@linux.intel.com> <58C68E7102000078001426DA@prv-mh.provo.novell.com> <58C79B8F.9030007@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Paul Durrant , Jan Beulich Cc: Kevin Tian , Andrew Cooper , "Tim (Xen.org)" , George Dunlap , "xen-devel@lists.xen.org" , "zhiyuan.lv@intel.com" , Jun Nakajima List-Id: xen-devel@lists.xenproject.org CgpPbiAzLzE0LzIwMTcgNTo0MCBQTSwgUGF1bCBEdXJyYW50IHdyb3RlOgo+PiAtLS0tLU9yaWdp bmFsIE1lc3NhZ2UtLS0tLQo+IFtzbmlwXQo+Pj4+Pj4gK3N0cnVjdCBodm1faW9yZXFfc2VydmVy ICpwMm1fZ2V0X2lvcmVxX3NlcnZlcihzdHJ1Y3QgZG9tYWluICpkLAo+Pj4+Pj4gKyAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICB1bnNpZ25lZCBpbnQgKmZsYWdz KQo+Pj4+Pj4gK3sKPj4+Pj4+ICsgICAgc3RydWN0IHAybV9kb21haW4gKnAybSA9IHAybV9nZXRf aG9zdHAybShkKTsKPj4+Pj4+ICsgICAgc3RydWN0IGh2bV9pb3JlcV9zZXJ2ZXIgKnM7Cj4+Pj4+ PiArCj4+Pj4+PiArICAgIHNwaW5fbG9jaygmcDJtLT5pb3JlcS5sb2NrKTsKPj4+Pj4+ICsKPj4+ Pj4+ICsgICAgcyA9IHAybS0+aW9yZXEuc2VydmVyOwo+Pj4+Pj4gKyAgICAqZmxhZ3MgPSBwMm0t PmlvcmVxLmZsYWdzOwo+Pj4+Pj4gKwo+Pj4+Pj4gKyAgICBzcGluX3VubG9jaygmcDJtLT5pb3Jl cS5sb2NrKTsKPj4+Pj4+ICsgICAgcmV0dXJuIHM7Cj4+Pj4+PiArfQo+Pj4+PiBJJ20gYWZyYWlk IHRoaXMgcXVlc3Rpb24gd2FzIGFza2VkIGJlZm9yZSwgYnV0IHNpbmNlIHRoZXJlJ3Mgbm8KPj4+ Pj4gY29tbWVudCBoZXJlIG9yIGFueXdoZXJlLCBJIGNhbid0IHJlY2FsbCBpZiB0aGVyZSB3YXMg YSByZWFzb24gd2h5Cj4+Pj4+IHMgcG90ZW50aWFsbHkgYmVpbmcgc3RhbGUgYnkgdGhlIHRpbWUg dGhlIGNhbGxlciBsb29rcyBhdCBpdCBpcyBub3QgYQo+Pj4+PiBwcm9ibGVtLgo+Pj4+IFdlbGws IGl0IGlzIHBvc3NpYmUgdGhhdCBzIGlzIHN0YWxlLiBJIGRpZCBub3QgdGFrZSBpdCBhcyBhIHBy b2JsZW0KPj4+PiBiZWNhdXNlIHRoZSBkZXZpY2UgbW9kZWwKPj4+PiB3aWxsIGxhdGVyIGRpc2Nh cmQgc3VjaCBpbyByZXF1ZXN0LiBBbmQgSSBiZWxpZXZlIGN1cnJlbnQKPj4+PiBodm1fc2VsZWN0 X2lvcmVxX3NlcnZlcigpIGFsc28KPj4+PiBoYXMgdGhlIHNhbWUgaXNzdWUgLSB0aGUgcmV0dXJu ZWQgcyBzaG91bGQgYmUgY29uc2lkZXJlZCB0byBiZSBzdGFsZSwgaWYKPj4+PiB0aGUgTU1JTy9Q SU8KPj4+PiBhZGRyZXNzIGlzIHJlbW92ZWQgZnJvbSB0aGUgaW9yZXEgc2VydmVyJ3MgcmFuZ2Vz ZXQuCj4gQW4gZW5hYmxlZCBlbXVsYXRvciBoYXMgdG8gYmUgcHJlcGFyZWQgdG8gcmVjZWl2ZSBp b3JlcXMgZm9yIHJhbmdlcyBpdCBoYXMgdW5tYXBwZWQgc2luY2UgdGhlcmUgaXMgbm8gZG9tYWlu X3BhdXNlKCkgdG8gcHJldmVudCBhIHJhY2UuCgpUaGFuayB5b3UgZm9yIHRoZSByZXBseSwgUGF1 bC4KU28geW91IG1lYW4gdXNpbmcgdGhlIGlvcmVxIHNlcnZlciBsb2NrIGFyb3VuZCB0aGlzIHBy b2Nlc3Mgd2lsbCBub3QgCnByZXZlbnQgdGhpcyBlaXRoZXI/IFdoeT8KCj4+Pj4gQW5vdGhlciB0 aG91Z2h0IGlzLCBpZiB5b3UgdGhpbmsgaXQgaXMgaW5hcHByb3ByaWF0ZSBmb3IgZGV2aWNlIG1v ZGVsIHRvCj4+Pj4gZG8gdGhlIGNoZWNrLAo+Pj4+IHdlIGNhbiB1c2Ugc3Bpbl9sb2NrX3JlY3Vy c2l2ZSBvbiBpb3JlcV9zZXJ2ZXIubG9jayB0byBwcm90ZWN0IGFsbCB0aGUKPj4+PiBpb3JlcSBz ZXJ2ZXIgc2VsZWN0Cj4+Pj4gYW5kIHJlbGVhc2UgdGhlIGxvY2sgYWZ0ZXIgdGhlIGlvcmVxIHNl cnZlciBpcyBzZW50IG91dC4KPj4+IFdlbGwsIGxldCdzIGZpcnN0IGFzayBQYXVsIGFzIHRvIHdo YXQgaGlzIHBlcnNwZWN0aXZlIGhlcmUgaXMsIGJvdGgKPj4+IHNwZWNpZmljYWxseSBmb3IgdGhp cyBjaGFuZ2UgYW5kIG1vcmUgZ2VuZXJhbGx5IHJlZ2FyZGluZyB3aGF0Cj4+PiB5b3Ugc2F5IGFi b3ZlLgo+PiBQYXVsLCBhbnkgc3VnZ2VzdGlvbnMgb24gdGhpcyBhbmQgdGhlIGFib3ZlIG9uZT8g OikKPiBXZWxsLCBhcyBJIHNhaWQgYWJvdmUsIHRoZSBkZXZpY2UgbW9kZWwgaGFzIHRvIGNoZWNr IHdoZXRoZXIgaXQgaXMgd2lsbGluZyB0byBoYW5kbGUgYW5kIGlvcmVxIGl0IGlzIHBhc3NlZCBh bmQgdGVybWluYXRlIGl0IGFwcHJvcHJpYXRlbHkgdW5kZXIgYWxsIGNpcmN1bXN0YW5jZXMuIFRo ZXJlIGlzIG5vIG9wdGlvbiBmb3IgaXQgdG8gcmVqZWN0IHRoZSBJL08uCj4gVGhpcyBtYXkgYmUg b2sgZm9yIE1NSU8gcmVnaW9ucyBjb21pbmcgYW5kIGdvaW5nLCBidXQgaXMgdGhlcmUgYW55dGhp bmcgbW9yZSB0byBjb25zaWRlciBoZXJlIGl0IHdlIGNoYW5nZSBhIHBhZ2UgdGltZSBmcm9tIGlv cmVxX3NlcnZlciBiYWNrIHRvIFJBTT8gQ2xlYXJseSB3ZSBuZWVkIHRvIG1ha2Ugc3VyZSB0aGF0 IHRoZXJlIGlzIG5vIHNjb3BlIGZvciBJL08gdG8gdGhhdCBwYWdlIGJlaW5nIGluY29ycmVjdGx5 IGhhbmRsZWQgZHVyaW5nIHRyYW5zaXRpb24uCgpJIGRvbid0IHRoaW5rIHdlIG5lZWQgdG8gd29y cnkgYWJvdXQgdGhlIHAybSB0eXBlIGNoYW5nZSwgcGF0Y2ggMSAKcHJldmVudHMgdGhpcy4gVGhl IHMgcmV0dXJuZWQgYnkKcDJtX2dldF9pb3JlcV9zZXJ2ZXIoKSBtYXkgYmUgc3RhbGUoYW5kIGlz IHRoZW4gZGlzY2FyZGVkIGJ5IGRldmljZSAKbW9kZWwgaW4gb3VyIGN1cnJlbnQgY29kZSksIGJ1 dApwMm0gdHlwZSB3aWxsIG5vdCBiZSBzdGFsZS4gSSBhZ3JlZSBkZXZpY2UgbW9kZWwgaGFzIHJl c3BvbnNpYmlsaXR5IHRvIApkbyBzdWNoIGNoZWNrLCBidXQgSSBhbHNvIHdvbmRlcgppZiBpdCBp cyBwb3NzaWJsZSBmb3IgdGhlIGh5cGVydmlzb3IgdG8gcHJvdmlkZSBzb21lIGtpbmQgaW5zdXJh bmNlLgoKVGhhbmtzCll1Cgo+ICAgIFBhdWwKPgo+PiBUaGFua3MKPj4gWXUKPj4+IEphbgo+Pj4K PgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54 ZW4ub3JnL3hlbi1kZXZlbAo=