From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: [PATCH] x86/HVM: fix interaction between internal and extern emulation Date: Tue, 28 Nov 2017 09:49:25 +0000 Message-ID: <72fb264ff8b540bbbedcda70ca8cd3fe@AMSPEX02CL03.citrite.net> References: <5A1BDACE02000078001922E7@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.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eJcWB-0006tA-3M for xen-devel@lists.xenproject.org; Tue, 28 Nov 2017 09:49:31 +0000 In-Reply-To: <5A1BDACE02000078001922E7@prv-mh.provo.novell.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: 'Jan Beulich' , xen-devel Cc: Andrew Cooper , Julien Grall List-Id: xen-devel@lists.xenproject.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQo+IEZyb206IEphbiBCZXVsaWNoIFttYWlsdG86 SkJldWxpY2hAc3VzZS5jb21dCj4gU2VudDogMjcgTm92ZW1iZXIgMjAxNyAwODoyOQo+IFRvOiB4 ZW4tZGV2ZWwgPHhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZz4KPiBDYzogSnVsaWVuIEdy YWxsIDxqdWxpZW4uZ3JhbGxAYXJtLmNvbT47IEFuZHJldyBDb29wZXIKPiA8QW5kcmV3LkNvb3Bl cjNAY2l0cml4LmNvbT47IFBhdWwgRHVycmFudCA8UGF1bC5EdXJyYW50QGNpdHJpeC5jb20+Cj4g U3ViamVjdDogW1BBVENIXSB4ODYvSFZNOiBmaXggaW50ZXJhY3Rpb24gYmV0d2VlbiBpbnRlcm5h bCBhbmQgZXh0ZXJuCj4gZW11bGF0aW9uCj4gCj4gaGFuZGxlX2h2bV9pb19jb21wbGV0aW9uKCkg aXMgYmVpbmcgaW52b2x2ZWQgaW4gcmVzdW1pbmcgZnJvbSByZXF1ZXN0cwo+IHNlbnQgdG8gYSBk ZXZpY2UgbW9kZWwgb25seSwgd2hpbGUgcmUtaW52b2NhdGlvbiBvZiBpbnRlcm5hbGx5IGhhbmRs ZWQKPiBJL08gd2hpY2ggY291bGRuJ3QgYmUgaGFuZGxlZCBpbiBvbmUgZ28gc2ltcGx5IHJlLXN0 YXJ0cyB0aGUgYWZmZWN0ZWQKPiBpbnN0cnVjdGlvbi4gV2hlbiBhbiBpbnRlcm5hbGx5IGhhbmRs ZWQgc3BsaXQgcmVxdWVzdCBpcyBiZWluZyBmb2xsb3dlZAo+IGJ5IG9uZSBzZW50IHRvIGEgZGV2 aWNlIG1vZGVsLCBzbyBmYXIgbm90aGluZyByZXNldCB2aW8tPmlvX2NvbXBsZXRpb24sCj4gbGVh ZGluZyB0byBhbiBNTUlPIGVtdWxhdGlvbiBhdHRlbXB0IG9uIHRoZSBuZXh0IGluc3RydWN0aW9u IF9hZnRlcl8gdGhlCj4gb25lIHN1Y2Nlc2Z1bGx5IHNlbnQgdG8gcWVtdSBpZiB0aGF0IG9uZSBk b2Vzbid0IGl0c2VsZiByZXF1aXJlCj4gY29tcGxldGlvbiBoYW5kbGluZy4KPiAKPiBTaW5jZSBv bmx5IHJlcGVhdGVkIHN0cmluZyBpbnN0cnVjdGlvbnMgYXJlIGFmZmVjdGVkLCBzdHJpY3RseSBz cGVha2luZwo+IHRoZSBhZGp1c3RtZW50IHRvIGhhbmRsZV9waW8oKSBpc24ndCBuZWVkZWQuIERv IGl0IG5ldmVydGhlbGVzcyBmb3IKPiBjb25zaXN0ZW5jeSBhcyB3ZWxsIGFzIHRvIGF2b2lkIHRo ZSBsYWNrIHRoZXJlb2YgYmVjb21pbmcgYW4gaXNzdWUgaW4KPiB0aGUgZnV0dXJlOyBwdXQgdGhl IG1haW4gY2hhbmdlIGluIGdlbmVyaWMgZW5vdWdoIGEgcGxhY2UgdG8gYWxzbyBjb3Zlcgo+IFZN WCByZWFsIG1vZGUgZW11bGF0aW9uLgo+IAo+IFJlcG9ydGVkLWJ5OiBBbmRyZXcgQ29vcGVyIDxh bmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgo+IFNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxq YmV1bGljaEBzdXNlLmNvbT4KPiAtLS0KPiBJdCBoYXMgYmVlbiBwdXp6bGluZyBtZSBmb3IgeWVh cnMgaG93IHdlIGNvdWxkIGdldCBhd2F5IHdpdGhvdXQgY2xlYXJpbmcKPiB2aW8tPmlvX2NvbXBs ZXRpb24gaW4gYW55IG1vcmUgY2VudHJhbCBwbGFjZSwgaS5lLiBvdGhlciB0aGFuIGFzIHBhcnQg b2YKPiBoYW5kbGluZyB0aGUgY29tcGxldGlvbi4KClRoZSBpZGVhIGlzIHRoYXQsIGJlY2F1c2Ug SFZNSU9fbm9fY29tcGxldGlvbiBpcyB6ZXJvIGFuZCB0aHVzIHRoZSBpbml0aWFsIHZhbHVlIG9m IHZpby0+aW9fY29tcGxldGlvbiwgbm8gZXhwbGljaXQgaW5pdGlhbGl6YXRpb24gaXMgcmVxdWly ZWQuIElmIGl0IGlzIHNldCB0byBhbnl0aGluZyBvdGhlciB0aGFuIHRoYXQgdGhlbiB0aGVyZSBu ZWVkcyB0byBiZSBhIGNhbGwgdG8gaGFuZGxlX2h2bV9pb19jb21wbGV0aW9uKCkgd2hpY2ggd2ls bCBkdWx5IHNldCBpdCBiYWNrIEhWTUlPX25vX2NvbXBsZXRpb24uIFNvIHRoZSBxdWVzdGlvbiBp cyBob3cgaXQgaXMgYmVpbmcgc2V0IGFuZCB3aHkgZG9lcyB0aGlzIG5vdCByZXN1bHQgaW4gdGhl IGFwcHJvcHJpYXRlIGNvbXBsZXRpb24gY2FsbD8gSSBmZWFyIHRoaXMgcGF0Y2ggaXMgY292ZXJp bmcgdXAgYSBtb3JlIGZ1bmRhbWVudGFsIHByb2JsZW0gd2l0aCB0aGUgc3RhdGUgbW9kZWwgaW4g Y2VydGFpbiBjYXNlcy4KCiAgUGF1bAoKPiAKPiAtLS0gYS94ZW4vYXJjaC94ODYvaHZtL2VtdWxh dGUuYwo+ICsrKyBiL3hlbi9hcmNoL3g4Ni9odm0vZW11bGF0ZS5jCj4gQEAgLTIxMDcsNiArMjEw Nyw3IEBAIHN0YXRpYyBpbnQgX2h2bV9lbXVsYXRlX29uZShzdHJ1Y3QgaHZtX2UKPiAgICAgIGh2 bV9lbXVsYXRlX2luaXRfcGVyX2luc24oaHZtZW11bF9jdHh0LCB2aW8tPm1taW9faW5zbiwKPiAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdmlvLT5tbWlvX2luc25fYnl0ZXMpOwo+IAo+ ICsgICAgdmlvLT5pb19jb21wbGV0aW9uID0gSFZNSU9fbm9fY29tcGxldGlvbjsKPiAgICAgIHZp by0+bW1pb19yZXRyeSA9IDA7Cj4gCj4gICAgICByYyA9IHg4Nl9lbXVsYXRlKCZodm1lbXVsX2N0 eHQtPmN0eHQsIG9wcyk7Cj4gLS0tIGEveGVuL2FyY2gveDg2L2h2bS9pby5jCj4gKysrIGIveGVu L2FyY2gveDg2L2h2bS9pby5jCj4gQEAgLTEzOSw2ICsxMzksOCBAQCBib29sIGhhbmRsZV9waW8o dWludDE2X3QgcG9ydCwgdW5zaWduZWQKPiAgICAgIGlmICggZGlyID09IElPUkVRX1dSSVRFICkK PiAgICAgICAgICBkYXRhID0gZ3Vlc3RfY3B1X3VzZXJfcmVncygpLT5lYXg7Cj4gCj4gKyAgICB2 aW8tPmlvX2NvbXBsZXRpb24gPSBIVk1JT19ub19jb21wbGV0aW9uOwo+ICsKPiAgICAgIHJjID0g aHZtZW11bF9kb19waW9fYnVmZmVyKHBvcnQsIHNpemUsIGRpciwgJmRhdGEpOwo+IAo+ICAgICAg aWYgKCBodm1fdmNwdV9pb19uZWVkX2NvbXBsZXRpb24odmlvKSApCj4gCj4gCgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcg bGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9q ZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==