From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH] x86/emul: Split exception handling out of invoke_stub() Date: Thu, 25 Jan 2018 04:41:38 -0700 Message-ID: <5A69D08202000078001A2546@prv-mh.provo.novell.com> References: <1516817805-13702-1-git-send-email-andrew.cooper3@citrix.com> <5A69C44B02000078001A24B1@prv-mh.provo.novell.com> <85b8214f-9932-2bb2-9f6c-510288433d02@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <85b8214f-9932-2bb2-9f6c-510288433d02@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper Cc: Xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDI1LjAxLjE4IGF0IDEyOjA5LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMjUvMDEvMTggMTA6NDksIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAyNC4w MS4xOCBhdCAxOToxNiwgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4gRm9y IGEgcmVsZWFzZSBidWlsZCwgYmxvYXQtby1tZXRlciByZXBvcnRzOgo+Pj4KPj4+ICAgYWRkL3Jl bW92ZTogMC8wIGdyb3cvc2hyaW5rOiAwLzEgdXAvZG93bjogMC8tNTExMSAoLTUxMTEpCj4+PiAg IGZ1bmN0aW9uICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIG9sZCAgICAgbmV3 ICAgZGVsdGEKPj4+ICAgeDg2X2VtdWxhdGUgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg MTI2NDU4ICAxMjEzNDcgICAtNTExMQo+Pj4KPj4+IG9yIGluIG90aGVyIHdvcmRzLCBhIDQlIHJl ZHVuY3Rpb24gaW4gY29kZSBzaXplIGZyb20gdGhpcyBjaGFuZ2UgYWxvbmUuCj4+Pgo+Pj4gV2hp bGUgc2h1ZmZsaW5nIHRoaW5ncyBhcm91bmQsIGRyb3AgdGhlIHVzZSBvZiBfX0xJTkVfXywKPj4g V2hpbGUgdGhlIHJlc3Qgb2YgdGhlIGNoYW5nZSBpcyBmaW5lLCBJIGNvbnRpbnVlIHRvIG9iamVj dCB0byB0aGUKPj4gcmVtb3ZhbCBvZiBfX0xJTkVfXyBoZXJlIC0gYWZhaWN0IGl0IGlzIGF3a3dh cmQgdG8gcmVjb25zdHJ1Y3QgdGhlCj4+IGxpbmUgbnVtYmVyIHdoZW4gYmVpbmcgcHJlc2VudGVk IGp1c3QgdGhlIGFkZHJlc3MuIEF0IHRoZSB2ZXJ5Cj4+IGxlYXN0IHlvdSdkIGhhdmUgdG8gcnVu IGEgdG9vbCBsaWtlIGFkZHIybGluZSwgd2hpY2ggYXNzdW1lcyB5b3UKPj4gaGF2ZSB0aGUgY29y cmVjdCBiaW5hcnkgdG8gaGFuZCAod2hpY2ggaXMgbm90IHZlcnkgbGlrZWx5IGJhc2VkIG9uCj4+ IG15IGV4cGVyaWVuY2UpLiBIb3dldmVyIG11Y2ggSSBjYW4gYWdyZWUgdGhhdCBsaW5lIG51bWJl cnMgZ2V0Cj4+IGluIHRoZSB3YXkgb2YgbGl2ZSBwYXRjaGluZywgdGhlcmUgYXJlIGNhc2VzIHdo ZXJlIHByb2JsZW0KPj4gYW5hbHlzaXMgaXMgcXVpdGUgYSBiaXQgaGFyZGVyIHdpdGhvdXQgdGhl bS4gQW5kIHRoaXMgaXMgYW4gZXhhbXBsZQo+PiB0aGVyZW9mLgo+IAo+IFRoZSBwb2ludCBvZiBw cmludGluZyB0aGUgaW5zdHJ1Y3Rpb24gc3RyZWFtIGF0IHRoZSBXQVJOSU5HIGlzIHRoYXQgaXQK PiB1bmlxdWVseSBpZGVudGlmaWVzIHRoZSBpbnZva2Vfc3R1YigpIGNhbGwsIGp1c3QgbGlrZSB0 aGUgX19MSU5FX18KPiBpbmZvcm1hdGlvbiBkb2VzLAoKSSBkb24ndCB0aGluayBJIHNlZSB3aHkg dGhhdCB3b3VsZCBiZS4gVGhlcmUgYXJlIGNlcnRhaW5seQppbnN0cnVjdGlvbnMgd2hpY2ggd2Ug ZW5jb2RlIGluIG1vcmUgdGhhbiBvbmUgcGxhY2UgKGZpcnN0CmFuZCBmb3JlbW9zdCB7LHZ9cG1v dm1za2IgYW5kIHZtb3Ztc2twe3MsZH0uIFRoaXMgc2V0IGlzCmxpYWJsZSB0byBncm93IG9uY2Ug d2UgZ2V0IHRvIHN1cHBvcnQgQVZYNTEyLgoKPiBhbmQgdGhpcyByZWFycmFuZ2VtZW50IG1ha2Vz IF9fTElORV9fIGF3a3dhcmQgdG8gdXNlLiAKPiBXZSdkIG5lZWQgYW5vdGhlciBfX1hFTl9fLWd1 YXJkZWQgbG9jYWwgdmFyaWFibGUgb24gdGhlIHN0YWNrLgoKV2h5PyBKdXN0IGFkZCBhIGxpbmUg bnVtYmVyIGZpZWxkIHRvIHN0dWJfZXhuX2luZm8uCgo+IFRoZSB0cmFkZW9mZiBmb3IgbGl2ZXBh dGNoaW5nIGlzIGhvdyBsaWtlbHkgd2UgYXJlIHRvIGhhdmUgYQo+IGxpdmVwYXRjaGFibGUgc2Vj dXJpdHkgaXNzdWUgd2hpY2ggbW9kaWZpZXMgc29tZXRoaW5nIGluIHg4Nl9lbXVsYXRlLmMKPiB3 aGljaCByZXN1bHRzIGluIHBlcnR1cmJhbmNlIG9mIF9fTElORV9fLCB2cyB0aGUgdXRpbGl0eSBv ZiB1c2luZwo+IF9fTElORV9fIGluIHRoZSBmaXJzdCBwbGFjZS4KPiAKPiBBbGwgdXNlcyBvZiBf X0xJTkVfXyBoZXJlIGFyZSBwYXJ0IG9mIHg4Nl9lbXVsYXRlKCksIGJ1dCB3ZSBoYXZlIGhhZAo+ IGlzc3VlcyBpbiB0aGUgcGFzdCB3aGljaCBhcmUgZml4ZWQgZXhjbHVzaXZlbHkgaW4gdGhlIHg4 Nl9kZWNvZGUoKSBwYXRoLgoKSSdtIGFmcmFpZCBJIGNhbid0IHJlYWxseSBjb25jbHVkZSB3aGF0 IHlvdSdyZSB0cnlpbmcgdG8gdGVsbCBtZSBoZXJlLgoKSmFuCgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4t ZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9t YWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==