From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Xu, Quan" Subject: Re: [Patch v11 3/3] vt-d: fix vt-d Device-TLB flush timeout issue (+ crash logic ) Date: Mon, 20 Jun 2016 06:53:14 +0000 Message-ID: <945CA011AD5F084CBEA3E851C0AB28894B8F0BDD@SHSMSX101.ccr.corp.intel.com> References: <945CA011AD5F084CBEA3E851C0AB28894B8E6F02@SHSMSX103.ccr.corp.intel.com> <5763FC66.5030004@arm.com> <945CA011AD5F084CBEA3E851C0AB28894B8E76B8@SHSMSX103.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <945CA011AD5F084CBEA3E851C0AB28894B8E76B8@SHSMSX103.ccr.corp.intel.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "xen-devel@lists.xen.org" , "jbeulich@suse.com" , Suravee Suthikulpanit Cc: "Tian, Kevin" , Julien Grall , "Wu, Feng" , "dario.faggioli@citrix.com" List-Id: xen-devel@lists.xenproject.org T24gSnVuZSAxOCwgMjAxNiA1OjU0IFBNLCBYdSwgUXVhbiA8cXVhbi54dUBpbnRlbC5jb20+IHdy b3RlOg0KPiBPbiBKdW5lIDE3LCAyMDE2IDk6MzUgUE0sIEp1bGllbiBHcmFsbCA8anVsaWVuLmdy YWxsQGFybS5jb20+IHdyb3RlOg0KPiA+IE9uIDE3LzA2LzE2IDA5OjUxLCBYdSwgUXVhbiB3cm90 ZToNCj4gPiA+ICsgYXJtL2FtZCBtYWludGFpbmVycy4uDQo+ID4gPg0KPiA+ID4gT24gSnVuZSAw MSwgMjAxNiA1OjA1IFBNLCBYdSwgUXVhbiA8cXVhbi54dUBpbnRlbC5jb20+IHdyb3RlOg0KPiA+ ID4+IElmIERldmljZS1UTEIgZmx1c2ggdGltZWQgb3V0LCB3ZSBoaWRlIHRoZSB0YXJnZXQgQVRT IGRldmljZQ0KPiA+ID4+IGltbWVkaWF0ZWx5IGFuZCBjcmFzaCB0aGUgZG9tYWluIG93bmluZyB0 aGlzIEFUUyBkZXZpY2UuIElmDQo+ID4gPj4gaW1wYWN0ZWQgZG9tYWluIGlzIGhhcmR3YXJlIGRv bWFpbiwganVzdCB0aHJvdyBvdXQgYSB3YXJuaW5nLg0KPiA+ID4+DQo+ID4gPj4gQnkgaGlkaW5n IHRoZSBkZXZpY2UsIHdlIG1ha2Ugc3VyZSBpdCBjYW4ndCBiZSBhc3NpZ25lZCB0byBhbnkNCj4g PiA+PiBkb21haW4gYW55IGxvbmdlciAoc2VlIGRldmljZV9hc3NpZ25lZCkuDQo+ID4gPg0KPiA+ ID4gRG9tVSAob3RoZXIgdGhhbiBEb20wKSBnZXRzIGNyYXNoZWQgd2hlbiBhIGRldmljZSBJT1RM QiBmbHVzaCB0aW1lcw0KPiBvdXQuDQo+ID4gSSBzdXBwb3NlIHRoYXQncyB3aGF0IHlvdSB3aWxs IHdhbnQgb24gQVJNL0FNRCB0aGVuIHRvby4NCj4gPg0KPiA+IENvcnJlY3QgaXQgaXMgd2hhdCB3 ZSB3YW50IGZvciBBUk0gOikuDQo+ID4NCj4gDQo+IA0KPiBUaGF0J3MgZ29vZCA6KTopLi4NCj4g SnVsaWVuLCB0aGFua3MuDQo+IA0KPiA+ID4gV2UgbmVlZCB0byBtb3ZlIHVwIHRoZSBjcmFzaCBs b2dpYyAsIGFzIHNpbWlsYXIgYXMgaW9tbXVfbWFwX3BhZ2UoKQ0KPiA+ID4gLw0KPiA+IGlvbW11 X3VubWFwX3BhZ2UoKS4NCj4gPiA+DQo+ID4gPiAgICAgIC0gYWRkIHRoZSBjcmFzaCBsb2dpYyB0 byBpb21tdV9pb3RsYl9mbHVzaCgpIC8gaW9tbXVfaW90bGJfZmx1c2hfYWxsKCkuDQo+ID4gPg0K PiA+ID4gICAgICAtIHdoZW4gSU9NTVUvTU1VIHNoYXJlIHBhZ2UgdGFibGVzLCB3ZSBuZWVkIHRv IGZpeCBpdCBvbmUgYnkgb25lLg0KPiA+ID4gICAgICAgICAgLS0gb24gYW1kLCB3ZSBuZWVkIHRv IGFkZCB0aGUgY3Jhc2ggbG9naWMgdG8NCj4gPiBhbWRfaW9tbXVfZmx1c2hfcGFnZXMoKS4NCj4g PiA+ICAgICAgICAgIC0tIG9uIGludGVsLCB3ZSBuZWVkIHRvIGFkZCB0aGUgY3Jhc2ggbG9naWMg dG8gaW9tbXVfcHRlX2ZsdXNoKCkuDQo+ID4gPiAgICAgICAgICAtLSBvbiBhcm0sIHdlIGJlbmVm aXQgdGhhdCB3ZSBhZGQgdGhlIGNyYXNoIGxvZ2ljIHRvDQo+ID4gaW9tbXVfaW90bGJfZmx1c2go KS4NCj4gPg0KPiA+IFJpZ2h0Lg0KPiA+DQo+IA0KPiA6KTopDQo+IA0KPiA+ID4NCj4gPiA+DQo+ ID4gPiBUYWtlbiB0b2dldGhlciwgd2UgbmVlZCB0byBhZGQgY3Jhc2ggbG9naWMgdG8NCj4gPiA+ ICAgICAgICAgICAgICAgICAgICAgICAgICAgaW9tbXVfaW90bGJfZmx1c2goKSAvDQo+ID4gPiBp b21tdV9pb3RsYl9mbHVzaF9hbGwoKSAvDQo+ID4gaW9tbXVfcHRlX2ZsdXNoKCkgLyBhbWRfaW9t bXVfZmx1c2hfcGFnZXMoKS4NCj4gPg0KDQoNCg0KDQpUaGluayB0d2ljZSwgIG5vdyBJIGFtIGlu Y2xpbmVkIHRvIGxlYXZlIGFtZF9pb21tdV9mbHVzaF9wYWdlcygpIGFzIGlzLA0KQXMgdGhlIElP VExCIGZsdXNoIGVycm9yIGhhcyBub3QgYmVlbiB5ZXQgYnViYmxlZCB1cCBvbiBBTUQgcGxhdGZv cm0sIGl0IGlzIHBvaW50bGVzcyB0byAgYWRkDQpkb21haW4gY3Jhc2ggbG9naWMgdGhlcmUuDQoN ClF1YW4NCg0KDQoNCg0KPiA+IEZvciBpb21tdV9pb3RsYl8qIHllcyBhcyBpdCBpcyBjb21tb24g Y29kZS4gSSBkb24ndCBrbm93IGZvciB0aGUgb3RoZXJzLg0KPiA+DQo+IElNTywgdGhhdCdzIGlz IGVub3VnaC4gSSBob3BlIHRoZSBvdGhlciBtYWludGFpbmVycyBjYW4gZ2l2ZSBzb21lIGNvbW1l bnRzLg0KPiBUaGFua3MhIQ0KPiANCg0KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVu Lm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK