From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH 03/17] x86emul: track only rIP in emulator state Date: Tue, 13 Sep 2016 20:09:35 +0100 Message-ID: <308f5ed1-e997-f478-8ed0-9a2c511d2eda@citrix.com> References: <57D17C78020000780010D127@prv-mh.provo.novell.com> <57D17F38020000780010D155@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bjt5Q-0003SU-7B for xen-devel@lists.xenproject.org; Tue, 13 Sep 2016 19:09:40 +0000 In-Reply-To: <57D17F38020000780010D155@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 , xen-devel List-Id: xen-devel@lists.xenproject.org T24gMDgvMDkvMTYgMTQ6MDksIEphbiBCZXVsaWNoIHdyb3RlOgo+IE5vdyB0aGF0IGFsbCBkZWNv ZGluZyBoYXBwZW5zIGluIHg4Nl9kZWNvZGUoKSB0aGVyZSdzIG5vIG5lZWQgdG8ga2VlcAo+IHRo ZSBsb2NhbCByZWdpc3RlcnMgY29weSBpbiBzdHJ1Y3QgeDg2X2VtdWxhdGVfc3RhdGUuIE9ubHkg cklQIGdldHMKPiB1cGRhdGVkIGluIHRoZSBkZWNvZGUgcGhhc2UsIHNvIG9ubHkgdGhhdCByZWdp c3RlciBuZWVkcyB0cmFja2luZwo+IHRoZXJlLiBBbGwgb3RoZXIgKHJlYWQtb25seSkgcmVnaXN0 ZXJzIGNhbiBiZSByZWFkIGZyb20gdGhlIG9yaWdpbmFsCj4gc3RydWN0dXJlIChidXQgc2FkbHks IGR1ZSB0byBpdCBnZXR0aW5nIHBhc3NlZCB0byBkZWNvZGVfcmVnaXN0ZXIoKSwKPiB0aGUgcG9p bnRlciBjYW4ndCBiZSBtYWRlIHBvaW50IHRvICJjb25zdCIgdG8gbWFrZSB0aGUgY29tcGlsZXIg aGVscAo+IGVuc3VyZSBubyBtb2RpZmljYXRpb24gaGFwcGVucykuCgpJIHdhcyBnb2luZyB0byBz dWdnZXN0IG1ha2luZyBhIHNlY29uZCBoZWxwZXIgYW5kIGNhc3RpbmcgYXdheQpjb25zdG5lc3Ms IGJ1dCB0aGF0IGFsc28gaGFzIHByb2JsZW1zIHdpdGggdGhlIG1hcmtfcmVnc19kaXJ0eSgpIGNh bGwuCgpIb3dldmVyLCBvbiBmdXJ0aGVyIGNvbnNpZGVyYXRpb24uLi4KCj4gQEAgLTIwNjEsNiAr MjA2NCw4IEBAIHg4Nl9lbXVsYXRlKAo+ICAgICAgc3RydWN0IHg4Nl9lbXVsYXRlX2N0eHQgKmN0 eHQsCj4gICAgICBjb25zdCBzdHJ1Y3QgeDg2X2VtdWxhdGVfb3BzICpvcHMpCj4gIHsKPiArICAg IC8qIFNoYWRvdyBjb3B5IG9mIHJlZ2lzdGVyIHN0YXRlLiBDb21taXR0ZWQgb24gc3VjY2Vzc2Z1 bCBlbXVsYXRpb24uICovCj4gKyAgICBzdHJ1Y3QgY3B1X3VzZXJfcmVncyBfcmVncyA9ICpjdHh0 LT5yZWdzOwo+ICAgICAgc3RydWN0IHg4Nl9lbXVsYXRlX3N0YXRlIHN0YXRlOwo+ICAgICAgaW50 IHJjOwo+ICAgICAgdWludDhfdCBiLCBkOwo+IEBAIC0yMDc0LDEwICsyMDc5LDIxIEBAIHg4Nl9l bXVsYXRlKAo+ICAgICAgaWYgKCByYyAhPSBYODZFTVVMX09LQVkpCj4gICAgICAgICAgcmV0dXJu IHJjOwo+ICAKPiArICAgIC8qIFN5bmMgcklQIHRvIHBvc3QgZGVjb2RlIHZhbHVlLiAqLwo+ICsg ICAgX3JlZ3MuZWlwID0gc3RhdGUuZWlwOwo+ICsKPiAgICAgIGIgPSBzdGF0ZS5vcGNvZGU7Cj4g ICAgICBkID0gc3RhdGUuZGVzYzsKPiAgI2RlZmluZSBzdGF0ZSAoJnN0YXRlKQo+ICAKPiArICAg IC8qIFJlLXZlY3RvciBlYSdzIHJlZ2lzdGVyIHBvaW50ZXIgaW50byBvdXIgc2hhZG93IHJlZ2lz dGVycy4gKi8KPiArICAgIGlmICggZWEudHlwZSA9PSBPUF9SRUcgKQo+ICsgICAgewo+ICsgICAg ICAgIHVuc2lnbmVkIGludCBvZmZzID0gKHZvaWQgKillYS5yZWcgLSAodm9pZCAqKXN0YXRlLT5y ZWdzOwo+ICsKPiArICAgICAgICBlYS5yZWcgPSAodm9pZCAqKSZfcmVncyArIG9mZnM7Cj4gKyAg ICB9Cj4gKwoKVGhpcyBpcyBzb21lIHZlcnkgaGFpcnkgcG9pbnRlciBhcml0aG1ldGljLgoKV2h5 IGRvIHdlIG5lZWQgdG8gZGVjb2RlIHJlZ2lzdGVycyBpbiB4ODZfZGVjb2RlKCk/CgpXZSBkb24n dCBuZWVkIHRvIGRlY29kZSB0aGUgR1BScyB0byBjYWxjdWxhdGUgdGhlIGxlbmd0aCBvZiB0aGUK aW5zdHJ1Y3Rpb24uICBJZiB0aGUgZGlzcGxhY2VtZW50IGlzIHN0YXNoZWQgaW4geDg2X2VtdWxh dGVfc3RhdGUsIHRoZQpjYWxjdWxhdGlvbiBvZiBlYSBjYW4gYmUgZGVmZXJyZWQgdW50aWwgdGhl IHN0YXJ0IG9mIHg4Nl9lbXVsYXRlKCksIGFuZApubyBhcml0aG1ldGljIGxpa2UgdGhpcyB3b3Vs ZCBiZSBuZWNlc3NhcnkuCgp+QW5kcmV3CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54 ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK