From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: [PATCH 1/2] x86/hvm/dmop: fix EFAULT condition Date: Thu, 28 Sep 2017 10:28:55 +0000 Message-ID: <903c305aa1454be1800f45cf06cb2ae3@AMSPEX02CL03.citrite.net> References: <20170928102425.22745-1-wei.liu2@citrix.com> <20170928102425.22745-2-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dxW3t-0001la-LP for xen-devel@lists.xenproject.org; Thu, 28 Sep 2017 10:28:57 +0000 In-Reply-To: <20170928102425.22745-2-wei.liu2@citrix.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 Cc: Andrew Cooper , Wei Liu , Jan Beulich List-Id: xen-devel@lists.xenproject.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQo+IEZyb206IFdlaSBMaXUgW21haWx0bzp3ZWku bGl1MkBjaXRyaXguY29tXQo+IFNlbnQ6IDI4IFNlcHRlbWJlciAyMDE3IDExOjI0Cj4gVG86IFhl bi1kZXZlbCA8eGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnPgo+IENjOiBXZWkgTGl1IDx3 ZWkubGl1MkBjaXRyaXguY29tPjsgSmFuIEJldWxpY2ggPGpiZXVsaWNoQHN1c2UuY29tPjsKPiBB bmRyZXcgQ29vcGVyIDxBbmRyZXcuQ29vcGVyM0BjaXRyaXguY29tPjsgUGF1bCBEdXJyYW50Cj4g PFBhdWwuRHVycmFudEBjaXRyaXguY29tPgo+IFN1YmplY3Q6IFtQQVRDSCAxLzJdIHg4Ni9odm0v ZG1vcDogZml4IEVGQVVMVCBjb25kaXRpb24KPiAKPiBUaGUgY29weSBtYWNybyByZXR1cm5zIGZh bHNlIHdoZW4gdGhlIGNvcHkgZmFpbHMuCj4gCj4gU2lnbmVkLW9mZi1ieTogV2VpIExpdSA8d2Vp LmxpdTJAY2l0cml4LmNvbT4KPiAtLS0KPiBDYzogSmFuIEJldWxpY2ggPGpiZXVsaWNoQHN1c2Uu Y29tPgo+IENjOiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgo+IENj OiBQYXVsIER1cnJhbnQgPHBhdWwuZHVycmFudEBjaXRyaXguY29tPgo+IAo+IEJhY2twb3J0IHRv IDQuOQo+IC0tLQo+ICB4ZW4vYXJjaC94ODYvaHZtL2RtLmMgfCAyICstCj4gIDEgZmlsZSBjaGFu Z2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQo+IAo+IGRpZmYgLS1naXQgYS94ZW4v YXJjaC94ODYvaHZtL2RtLmMgYi94ZW4vYXJjaC94ODYvaHZtL2RtLmMKPiBpbmRleCA4N2VmNGI2 Y2E5Li5iMWNmMGQ1NGEyIDEwMDY0NAo+IC0tLSBhL3hlbi9hcmNoL3g4Ni9odm0vZG0uYwo+ICsr KyBiL3hlbi9hcmNoL3g4Ni9odm0vZG0uYwo+IEBAIC0xODIsNyArMTgyLDcgQEAgc3RhdGljIGlu dCBtb2RpZmllZF9tZW1vcnkoc3RydWN0IGRvbWFpbiAqZCwKPiAKPiAgICAgICAgICByYyA9IENP UFlfRlJPTV9HVUVTVF9CVUZfT0ZGU0VUKGV4dGVudCwKPiAgICAgICAgICAgICAgYnVmcywgRVhU RU5UU19CVUZGRVIsICgqcmVtX2V4dGVudHMgLSAxKSAqIHNpemVvZihleHRlbnQpKTsKPiAtICAg ICAgICBpZiAoIHJjICkKPiArICAgICAgICBpZiAoICFyYyApCj4gICAgICAgICAgICAgIHJldHVy biAtRUZBVUxUOwoKRm9yIGNsYXJpdHkgYW5kIGNvbnNpc3RlbmN5IEkgdGhpbmsgaXQgd291bGQg YmUgYmV0dGVyIHRvIGF2b2lkIHVzZSBvZiByYyBpbiB0aGlzIGNhc2UgYW5kIHNpbXBseSBwdXQg dGhlIGNhbGwgdG8gQ09QWV9GUk9NX0dVRVNUX0JVRl9PRkZTRVQoKSBpbnNpZGUgdGhlIGlmIGNs YXVzZS4KCiAgUGF1bAoKPiAKPiAgICAgICAgICBpZiAoIGV4dGVudC5wYWQgKQo+IC0tCj4gMi4x MS4wCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3Rz Lnhlbi5vcmcveGVuLWRldmVsCg==