From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Re: [PATCH V2 25/25] x86/vvtd: save and restore emulated VT-d Date: Fri, 25 Aug 2017 16:27:14 +0800 Message-ID: <20170825082711.GA5537@op-computing> References: <1502310866-10450-1-git-send-email-tianyu.lan@intel.com> <1502310866-10450-26-git-send-email-tianyu.lan@intel.com> <20170823121941.uvqxdedraslp45mz@dhcp-3-128.uk.xensource.com> <20170825063500.GA47898@op-computing> <59A00350020000780017397B@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <59A00350020000780017397B@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Lan Tianyu , julien.grall@arm.com, xen-devel@lists.xen.org, kevin.tian@intel.com, Roger Pau =?iso-8859-1?Q?Monn=E9?= List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBBdWcgMjUsIDIwMTcgYXQgMDM6MDA6MzJBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4+Pj4gT24gMjUuMDguMTcgYXQgMDg6MzUsIDxjaGFvLmdhb0BpbnRlbC5jb20+IHdyb3Rl Ogo+PiBPbiBXZWQsIEF1ZyAyMywgMjAxNyBhdCAwMToxOTo0MVBNICswMTAwLCBSb2dlciBQYXUg TW9ubsOpIHdyb3RlOgo+Pj5PbiBXZWQsIEF1ZyAwOSwgMjAxNyBhdCAwNDozNDoyNlBNIC0wNDAw LCBMYW4gVGlhbnl1IHdyb3RlOgo+Pj4+IEZyb206IENoYW8gR2FvIDxjaGFvLmdhb0BpbnRlbC5j b20+Cj4+Pj4gCj4+Pj4gV3JhcCBzb21lIHVzZWZ1bCBzdGF0dXMgaW4gYSBuZXcgc3RydWN0dXJl IGh2bV9od192dnRkLCBmb2xsb3dpbmcKPj4+PiB0aGUgY3VzdG9tcyBvZiB2bGFwaWMsIHZpb2Fw aWMgYW5kIGV0Yy4gUHJvdmlkZSB0d28gc2F2ZS1yZXN0b3JlCj4+Pj4gcGFpcnMgdG8gc2F2ZS9y ZXN0b3JlIHJlZ2lzdGVycyBhbmQgbm9uLXJlZ2lzdGVyIHN0YXR1cy4KPj4+PiAKPj4+PiBTaWdu ZWQtb2ZmLWJ5OiBDaGFvIEdhbyA8Y2hhby5nYW9AaW50ZWwuY29tPgo+Pj4+IFNpZ25lZC1vZmYt Ynk6IExhbiBUaWFueXUgPHRpYW55dS5sYW5AaW50ZWwuY29tPgo+Pj4+IC0tLQo+Pj4+IGRpZmYg LS1naXQgYS94ZW4vaW5jbHVkZS9wdWJsaWMvYXJjaC14ODYvaHZtL3NhdmUuaCAKPj4gYi94ZW4v aW5jbHVkZS9wdWJsaWMvYXJjaC14ODYvaHZtL3NhdmUuaAo+Pj4+IGluZGV4IGZkN2JmM2YuLjEw NTM2Y2IgMTAwNjQ0Cj4+Pj4gLS0tIGEveGVuL2luY2x1ZGUvcHVibGljL2FyY2gteDg2L2h2bS9z YXZlLmgKPj4+PiArKysgYi94ZW4vaW5jbHVkZS9wdWJsaWMvYXJjaC14ODYvaHZtL3NhdmUuaAo+ Pj4+IEBAIC02MzksMTAgKzYzOSwzMiBAQCBzdHJ1Y3QgaHZtX21zciB7Cj4+Pj4gIAo+Pj4+ICAj ZGVmaW5lIENQVV9NU1JfQ09ERSAgMjAKPj4+PiAgCj4+Pj4gK3N0cnVjdCBodm1faHdfdnZ0ZF9y ZWdzIHsKPj4+PiArICAgIHVpbnQ4X3QgZGF0YVsxMDI0XTsKPj4+PiArfTsKPj4+PiArCj4+Pj4g K0RFQ0xBUkVfSFZNX1NBVkVfVFlQRShJT01NVV9SRUdTLCAyMSwgc3RydWN0IGh2bV9od192dnRk X3JlZ3MpOwo+Pj4+ICsKPj4+PiArc3RydWN0IGh2bV9od192dnRkCj4+Pj4gK3sKPj4+PiArICAg IC8qIFZJT01NVV9TVEFUVVNfWFhYICovCj4+Pj4gKyAgICB1aW50MzJfdCBzdGF0dXM7Cj4+Pj4g KyAgICAvKiBGYXVsdCBSZWNvcmRpbmcgaW5kZXggKi8KPj4+PiArICAgIHVpbnQzMl90IGZyY2Rf aWR4Owo+Pj4+ICsgICAgLyogSXMgaW4gRXh0ZW5kZWQgSW50ZXJydXB0IE1vZGU/ICovCj4+Pj4g KyAgICB1aW50MzJfdCBlaW07Cj4+Pj4gKyAgICAvKiBNYXggcmVtYXBwaW5nIGVudHJpZXMgaW4g SVJUICovCj4+Pj4gKyAgICB1aW50MzJfdCBpcnRfbWF4X2VudHJ5Owo+Pj4+ICsgICAgLyogSW50 ZXJydXB0IHJlbWFwcGluZyB0YWJsZSBiYXNlIGdmbiAqLwo+Pj4+ICsgICAgdWludDY0X3QgaXJ0 Owo+Pj4+ICt9Owo+Pj4+ICsKPj4+PiArREVDTEFSRV9IVk1fU0FWRV9UWVBFKElPTU1VLCAyMiwg c3RydWN0IGh2bV9od192dnRkKTsKPj4+Cj4+PldoeSB0d28gc2VwYXJhdGUgc3RydWN0dXJlcz8g SXQgc2hvdWxkIGJlIHRoZSBzYW1lIHN0cnVjdHVyZS4KPj4gCj4+IEhpLCBSb2dlci4KPj4gCj4+ IFRoYW5rIHlvdSBmb3IgeW91ciByZXZpZXcuIEkgYWdyZWUgd2l0aCBtb3N0IG9mIHlvdXIgY29t bWVudHMgb24gdGhlCj4+IHdob2xlIHNlcmllcy4gSSB3aWxsIG9ubHkgcmVwbHkgdG8gc29tZSBw b2ludHMgSSB0aGluayBzdGlsbCBuZWVkCj4+IGRpc2N1c3Npb24uCj4+IAo+PiBIZXJlIHdlIHVz ZSB0d28gc2VwYXJhdGUgc3RydWN0dXJlcyBmb3Igc29tZSBmaWVsZCBjYW5ub3QgYmUgaW5mZXJl ZAo+PiBmcm9tIHRoZSBzdHJ1Y3QgaHZtX2h3X3Z2dGRfcmVncy4gRm9yIGV4YW1wbGUsIHRoZSAn aXJ0JyBpcyB0aGUgZ2ZuIG9mCj4+IHRoZSBiYXNlIGFkZHJlc3MgSW50ZXJydXB0IFJlbWFwcGlu ZyBUYWJsZS4gVGhlIGZpZWxkIGlzIHNldCB0aHJvdWdoCj4+IDEuIHNldCB0aGUgcmVnaXN0ZXIg RE1BUl9JUlRFX1JFRyBpbiBodm1faHdfdnZ0ZF9yZWdzLgo+PiAyLiBzZW5kIGEgY29tbWFuZCB0 byB2dGQgYnkgd3JpdHRpbmcgYW5vdGhlciBjb21tYW5kIHJlZ2lzdGVyLgo+PiAKPj4gSWYgdGhl IGN1cnJlbnQgYmFzZSBhZGRyZXNzIGlzIEEsIGFuZCBndWVzdCB3YW50cyB0byB1cGRhdGUgdGhl IGJhc2UKPj4gYWRkcmVzcyB0byBCIGFuZCBmaW5pc2ggdGhlIGZpcnN0IHN0ZXAuIFVuZm9ydHVu YXRlbHksIHNhdmluZyBhbmQKPj4gcmVzdG9yaW5nIGhhcHBlbiBoZXJlLiBJbiB0aGlzIGNhc2Us IHdlIG5lZWQgdGhlIHN0cnVjdCBodm1faHdfdnZ0ZAo+PiB0byBjb3JyZWN0bHkgcmVzdG9yZSBz b21lIGluZm9ybWF0aW9uLgo+Cj5IbW0sIHRoZSB3YXkgSSd2ZSB1bmRlcnN0b29kIFJvZ2VyJ3Mg cXVlc3Rpb24gaXMgd2h5IHlvdQo+ZG9uJ3QgY29tYmluZSB0aGUgdHdvIHN0cnVjdHVyZXMgaW50 byBvbmUsIG5vdCB3aGV0aGVyIG9uZQo+b2YgdGhlIHR3byBjYW4gYmUgb21pdHRlZC4KCkl0IHNl ZW1zIGxpa2VseSB0aGF0IHRoZXkgY2FuIGJlIGNvbWJpbmVkLiB3aWxsIGdpdmUgaXQgYSB0cnku CgpUaGFua3MKQ2hhbwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRw czovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==