From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v2] x86/HVM: correct hvmemul_map_linear_addr() for multi-page case Date: Thu, 13 Sep 2018 05:39:21 -0600 Message-ID: <5B9A4C6902000078001E8280@prv1-mh.provo.novell.com> References: <5B98D7CF02000078001E7AEA@prv1-mh.provo.novell.com> <5B9A381302000078001E81DC@prv1-mh.provo.novell.com> <66b6083a08794460b351043133f34bd3@AMSPEX02CL03.citrite.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g0Py1-0004vr-MH for xen-devel@lists.xenproject.org; Thu, 13 Sep 2018 11:39:25 +0000 In-Reply-To: <66b6083a08794460b351043133f34bd3@AMSPEX02CL03.citrite.net> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Paul Durrant Cc: Andrew Cooper , xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDEzLjA5LjE4IGF0IDEzOjA2LCA8UGF1bC5EdXJyYW50QGNpdHJpeC5jb20+IHdyb3Rl Ogo+PiBGcm9tOiBKYW4gQmV1bGljaCBbbWFpbHRvOkpCZXVsaWNoQHN1c2UuY29tXQo+PiBTZW50 OiAxMyBTZXB0ZW1iZXIgMjAxOCAxMToxMwo+PiAKPj4gQEAgLTU0NCw3ICs1NzQsNyBAQCBzdGF0 aWMgdm9pZCAqaHZtZW11bF9tYXBfbGluZWFyX2FkZHIoCj4+ICAgICAgc3RydWN0IGh2bV9lbXVs YXRlX2N0eHQgKmh2bWVtdWxfY3R4dCkKPj4gIHsKPj4gICAgICBzdHJ1Y3QgdmNwdSAqY3VyciA9 IGN1cnJlbnQ7Cj4+IC0gICAgdm9pZCAqZXJyLCAqbWFwcGluZzsKPj4gKyAgICB2b2lkICplcnIg PSBaRVJPX0JMT0NLX1BUUiwgKm1hcHBpbmc7Cj4gCj4gR2l2ZW4gdGhlIHJldmlzZWQgbG9naWMs IGNhbid0IHlvdSBqdXN0IHN0YXJ0ICplcnIgd2l0aCB0aGUgdmFsdWUgCj4gRVJSX1BUUih+WDg2 RU1VTF9PS0FZKSBub3c/IFlvdSBjYW4gdGhlbiBsb3NlIHRoZSBleHRyYSB0ZXN0IGluIHRoZSBm aXJzdCBpZiAKPiBvZiB1cGRhdGVfbWFwX2VycigpLgoKTm8sIEkgZG9uJ3QgdGhpbmsgSSBjYW4s IGJlY2F1c2Ugb2YgLi4uCgo+PiAgICAgIHVuc2lnbmVkIGludCBucl9mcmFtZXMgPSAoKGxpbmVh ciArIGJ5dGVzIC0gISFieXRlcykgPj4gUEFHRV9TSElGVCkgLQo+PiAgICAgICAgICAobGluZWFy ID4+IFBBR0VfU0hJRlQpICsgMTsKPj4gICAgICB1bnNpZ25lZCBpbnQgaTsKPj4gQEAgLTYwMCwy NyArNjMwLDI4IEBAIHN0YXRpYyB2b2lkICpodm1lbXVsX21hcF9saW5lYXJfYWRkcigKPj4gICAg ICAgICAgICAgIGdvdG8gb3V0Owo+PiAKPj4gICAgICAgICAgY2FzZSBIVk1UUkFOU19iYWRfZ2Zu X3RvX21mbjoKPj4gLSAgICAgICAgICAgIGVyciA9IE5VTEw7Cj4+IC0gICAgICAgICAgICBnb3Rv IG91dDsKPj4gKyAgICAgICAgICAgIGVyciA9IHVwZGF0ZV9tYXBfZXJyKGVyciwgTlVMTCk7Cj4+ ICsgICAgICAgICAgICBjb250aW51ZTsKPj4gCj4+ICAgICAgICAgIGNhc2UgSFZNVFJBTlNfZ2Zu X3BhZ2VkX291dDoKPj4gICAgICAgICAgY2FzZSBIVk1UUkFOU19nZm5fc2hhcmVkOgo+PiAtICAg ICAgICAgICAgZXJyID0gRVJSX1BUUih+WDg2RU1VTF9SRVRSWSk7Cj4+IC0gICAgICAgICAgICBn b3RvIG91dDsKPj4gKyAgICAgICAgICAgIGVyciA9IHVwZGF0ZV9tYXBfZXJyKGVyciwgRVJSX1BU Uih+WDg2RU1VTF9SRVRSWSkpOwo+PiArICAgICAgICAgICAgY29udGludWU7Cj4+IAo+PiAgICAg ICAgICBkZWZhdWx0Ogo+PiAtICAgICAgICAgICAgZ290byB1bmhhbmRsZWFibGU7Cj4+ICsgICAg ICAgICAgICBlcnIgPSB1cGRhdGVfbWFwX2VycihlcnIsIEVSUl9QVFIoflg4NkVNVUxfVU5IQU5E TEVBQkxFKSk7Cj4+ICsgICAgICAgICAgICBjb250aW51ZTsKPj4gICAgICAgICAgfQo+PiAKPj4g ICAgICAgICAgKm1mbisrID0gcGFnZV90b19tZm4ocGFnZSk7Cj4+IAo+PiAgICAgICAgICBpZiAo IHAybV9pc19kaXNjYXJkX3dyaXRlKHAybXQpICkKPj4gLSAgICAgICAgewo+PiAtICAgICAgICAg ICAgZXJyID0gRVJSX1BUUih+WDg2RU1VTF9PS0FZKTsKPj4gLSAgICAgICAgICAgIGdvdG8gb3V0 Owo+PiAtICAgICAgICB9Cj4+ICsgICAgICAgICAgICBlcnIgPSB1cGRhdGVfbWFwX2VycihlcnIs IEVSUl9QVFIoflg4NkVNVUxfT0tBWSkpOwoKLi4uIHRoaXMgYW5kIC4uLgoKPj4gICAgICB9Cj4+ IAo+PiArICAgIGlmICggZXJyICE9IFpFUk9fQkxPQ0tfUFRSICkKPj4gKyAgICAgICAgZ290byBv dXQ7CgouLi4gdGhpcy4KCkphbgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5w cm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8v eGVuLWRldmVs