From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 1/3] x86/pv: Introduce and use x86emul_read_dr() Date: Fri, 13 Apr 2018 02:31:40 -0600 Message-ID: <5AD06AEC02000078001BAF9A@prv1-mh.provo.novell.com> References: <1523552156-20866-1-git-send-email-andrew.cooper3@citrix.com> <1523552156-20866-2-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1523552156-20866-2-git-send-email-andrew.cooper3@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: Juergen Gross , Xen-devel , Wei Liu , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDEyLjA0LjE4IGF0IDE4OjU1LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gZG9fZ2V0X2RlYnVncmVnKCkgaGFzIHNldmVyYWwgYnVnczoKPiAKPiAgKiBUaGUgJWNy NC5kZSBjb25kaXRpb24gaXMgaW52ZXJ0ZWQuICAlZHI0LzUgc2hvdWxkIGJlIGFjY2Vzc2libGUg b25seSB3aGVuCj4gICAgJWNyNC5kZSBpcyBkaXNhYmxlZC4KPiAgKiBXaGVuICVjcjQuZGUgaXMg ZGlzYWJsZWQsIGVtdWxhdGlvbiBzaG91bGQgeWllbGQgI1VEIHJhdGhlciB0aGFuIGNvbXBsZXRl Cj4gICAgd2l0aCB6ZXJvLgo+ICAqIFVzaW5nIC1FSU5WQUwgZm9yIGVycm9ycyBpcyBhIGJyb2tl biBBQkksIGFzIGl0IG92ZXJsYXBzIHdpdGggdmFsaWQgdmFsdWVzCj4gICAgbmVhciB0aGUgdG9w IG9mIHRoZSBhZGRyZXNzIHNwYWNlLgo+IAo+IEludHJvZHVjZSBhIGNvbW1vbiB4ODZlbXVsX3Jl YWRfZHIoKSBoYW5kbGVyIChhcyB3ZSB3aWxsIGV2ZW50dWFsbHkgd2FudCB0bwo+IGFkZCBIVk0g c3VwcG9ydCkgd2hpY2ggc2VwYXJhdGVzIGl0cyBzdWNjZXNzL2ZhaWx1cmUgaW5kaWNhdGlvbiBm cm9tIHRoZSBkYXRhCj4gdmFsdWUsIGFuZCBoYXZlIGRvX2dldF9kZWJ1Z3JlZygpIGNhbGwgaW50 byB0aGUgaGFuZGxlci4KClRoZSBIVk0gcGFydCBoZXJlIGlzIHNvcnQgb2YgcXVlc3Rpb25hYmxl IGJlY2F1c2Ugb2YgeW91ciB1c2Ugb2YKY3Vyci0+YXJjaC5wdl92Y3B1LmN0cmxyZWdbNF0uIFRo aXMgaXMgYXBwcm9wcmlhdGUgZm9yIHRoZSBOVUxMIGN0eHQgY2FzZSwKYnV0IGl0J3MgYWxyZWFk eSBhIGxheWVyaW5nIHZpb2xhdGlvbiBmb3IgdGhlIHVzZSBvZiB0aGUgZnVuY3Rpb24gaW4KcHJp dl9vcF9vcHMsIHdoZXJlIHRoZSByZWFkX2NyKCkgaG9vayBzaG91bGQgYmUgdXNlZCBpbnN0ZWFk LgoKPiBUaGUgQUJJIG9mIGRvX2dldF9kZWJ1Z3JlZygpIHJlbWFpbnMgYnJva2VuLCBidXQgc3dp dGNoZXMgZnJvbSAtRUlOVkFMIHRvCj4gLUVOT0RFViBmb3IgY29tcGF0aWJpbGl0eSB3aXRoIHRo ZSBjaGFuZ2VzIGluIHRoZSBmb2xsb3dpbmcgcGF0Y2guCj4gCj4gVGFrZSB0aGUgb3Bwb3J0dW5p dHkgdG8gYWRkIGEgbWlzc2luZyBsb2NhbCB2YXJpYWJsZSBibG9jayB0byB4ODZfZW11bGF0ZS5j CgpJIGRvbid0IHRoaW5rIHN1Y2ggYSBibG9jayBjYW4gZXZlciBiZSAibWlzc2luZyIgLSBpdCBz aG91bGRuJ3QgcmVhbGx5IGJlIGEgcmVxdWlyZW1lbnQKZm9yIG9uZSB0byBiZSB0aGVyZTsgbm90 ZSBob3cgLi9DT0RJTkdfU1RZTEUgc2F5cyAiaXMgcGVybWl0dGVkIi4gT2YgY291cnNlIEkKZG9u J3QgbWluZCBpdHMgYWRkaXRpb24gaGVyZS4KCj4gK2ludCB4ODZlbXVsX3JlYWRfZHIodW5zaWdu ZWQgaW50IHJlZywgdW5zaWduZWQgbG9uZyAqdmFsLAo+ICsgICAgICAgICAgICAgICAgICAgIHN0 cnVjdCB4ODZfZW11bGF0ZV9jdHh0ICpjdHh0KQo+ICt7Cj4gKyAgICBzdHJ1Y3QgdmNwdSAqY3Vy ciA9IGN1cnJlbnQ7Cj4gKwo+ICsgICAgLyogSFZNIHN1cHBvcnQgcmVxdWlyZXMgYSBiaXQgbW9y ZSBwbHVtYmluZyBiZWZvcmUgaXQgd2lsbCB3b3JrLiAqLwo+ICsgICAgQVNTRVJUKGlzX3B2X3Zj cHUoY3VycikpOwo+ICsKPiArICAgIHN3aXRjaCAoIHJlZyApCj4gKyAgICB7Cj4gKyAgICBjYXNl IDAgLi4uIDM6Cj4gKyAgICBjYXNlIDY6Cj4gKyAgICAgICAgKnZhbCA9IGN1cnItPmFyY2guZGVi dWdyZWdbcmVnXTsKPiArICAgICAgICBicmVhazsKPiArCj4gKyAgICBjYXNlIDc6Cj4gKyAgICAg ICAgKnZhbCA9IChjdXJyLT5hcmNoLmRlYnVncmVnWzddIHwKPiArICAgICAgICAgICAgICAgIGN1 cnItPmFyY2guZGVidWdyZWdbNV0pOwo+ICsgICAgICAgIGJyZWFrOwo+ICsKPiArICAgIGNhc2Ug NCAuLi4gNToKPiArICAgICAgICBpZiAoICEoY3Vyci0+YXJjaC5wdl92Y3B1LmN0cmxyZWdbNF0g JiBYODZfQ1I0X0RFKSApCj4gKyAgICAgICAgewo+ICsgICAgICAgICAgICAqdmFsID0gY3Vyci0+ YXJjaC5kZWJ1Z3JlZ1tyZWcgKyAyXTsKPiArICAgICAgICAgICAgYnJlYWs7CgpPbmNlIGF0IGl0 LCB3b3VsZG4ndCB5b3UgYmV0dGVyIGFsc28gZml4IHRoZSBtaXNzaW5nIE9SaW5nIG9mIFs1XSBp bnRvIHRoZSBEUjcgKHJlYWxseQpEUjUpIHZhbHVlIGhlcmU/CgpKYW4KCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==