From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Andr=c3=a9_Przywara?= Subject: Re: [for-4.7 2/2] xen/arm: traps: Correctly interpret the content of the register HPFAR_EL2 Date: Wed, 13 Apr 2016 21:33:35 +0100 Message-ID: <570EAD1F.1040004@arm.com> References: <1460562931-19858-1-git-send-email-julien.grall@arm.com> <1460562931-19858-3-git-send-email-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1460562931-19858-3-git-send-email-julien.grall@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall , xen-devel@lists.xen.org Cc: sstabellini@kernel.org, tamas@tklengyel.com List-Id: xen-devel@lists.xenproject.org T24gMTMvMDQvMTYgMTY6NTUsIEp1bGllbiBHcmFsbCB3cm90ZToKPiBUaGUgcmVnaXN0ZXIgSFBG QVJfRUwyIChyZXNwLiBIUEZBUiBvbiBhcm0zMikgY29udGFpbnMgdGhlIGJpdHMgWzQ3OjEyXQo+ IChyZXNwLiBbMzk6MTJdKSBvZiB0aGUgZmF1bHRpbmcgSVBBLiBVbmxpa2Ugb3RoZXIgcmVnaXN0 ZXJzIHRoYXQgcmVwcmVzZW50Cj4gYW4gYWRkcmVzcywgdGhlIHVwcGVyIGJpdHMgb2YgdGhlIElQ QSBhcmUgc3RvcmVkIGluIHRoZSByZWdpc3RlciBiaXRzCj4gWzQ6MzldIChyZXNwLiBbNDoyMV0p Lgo+IAo+IEhvd2V2ZXIsIFhlbiBhc3N1bWVzIHRoYXQgdGhlIHJlZ2lzdGVyIGNvbnRhaW5zIHRo ZSBmYXVsdGluZyBJUEEgY29ycmVjdGx5Cj4gb2Zmc2V0dGVkLiBUaGlzIHdpbGwgcmVzdWx0IHRv IGdldCBhIHdyb25nIElQQSB3aGVuIHRoZSBmYXVsdCBpcyBoYXBwZW5pbmcKPiBkdXJpbmcgYSB0 cmFuc2xhdGlvbiB0YWJsZSB3YWxrLiBOb3RlIHRoaXMgaXMgb25seSBhZmZlY3RpbmcgIG1lbWFj Y2Vzcy4KPiAKPiBJbnRyb2R1Y2UgYSBuZXcgaGVscGVyIHRvIGdldCB0aGUgZmF1bHRpbmcgSVBB IGZyb20gSFBGQVJfRUwyIGFuZAo+IHJlcGxhY2UgZGlyZWN0IHJlYWQgZnJvbSB0aGUgcmVnaXN0 ZXIgYnkgdGhlIGhlbHBlci4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBKdWxpZW4gR3JhbGwgPGp1bGll bi5ncmFsbEBhcm0uY29tPgoKUmV2aWV3ZWQtYnk6IEFuZHJlIFByenl3YXJhIDxhbmRyZS5wcnp5 d2FyYUBhcm0uY29tPgoKVGhhbmtzIGZvciB0aGUgY2F0Y2ghCgpDaGVlcnMsCkFuZHJlLgoKPiAK PiAtLS0KPiBDYzogdGFtYXNAdGtsZW5neWVsLmNvbQo+IAo+IFRoaXMgaXMgYSBidWcgZml4IGZv ciBYZW4gNC43IGFuZCBzaG91bGQgYWxzbyBiZSBiYWNrcG9ydGVkIHRvIFhlbiA0LjYuCj4gV2l0 aG91dCB0aGlzIHBhdGNoLCB0aGUgZmF1bHRpbmcgSVBBIHJlcG9ydGVkIHRvIG1lbWFjY2VzcyBt YXkgYmUgd3JvbmcuCj4gCj4gLS0tCj4gIHhlbi9hcmNoL2FybS90cmFwcy5jICAgICAgICAgICAg fCAxMSArKysrKysrKystLQo+ICB4ZW4vaW5jbHVkZS9hc20tYXJtL3Byb2Nlc3Nvci5oIHwgIDcg KysrKysrKwo+ICAyIGZpbGVzIGNoYW5nZWQsIDE2IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25z KC0pCj4gCj4gZGlmZiAtLWdpdCBhL3hlbi9hcmNoL2FybS90cmFwcy5jIGIveGVuL2FyY2gvYXJt L3RyYXBzLmMKPiBpbmRleCAxNTE2YWJkLi41ZTg2NWNmIDEwMDY0NAo+IC0tLSBhL3hlbi9hcmNo L2FybS90cmFwcy5jCj4gKysrIGIveGVuL2FyY2gvYXJtL3RyYXBzLmMKPiBAQCAtMjM2Myw2ICsy MzYzLDEzIEBAIGRvbmU6Cj4gICAgICBpZiAoZmlyc3QpIHVubWFwX2RvbWFpbl9wYWdlKGZpcnN0 KTsKPiAgfQo+ICAKPiArc3RhdGljIGlubGluZSBwYWRkcl90IGdldF9mYXVsdGluZ19pcGEodm9p ZCkKPiArewo+ICsgICAgcmVnaXN0ZXJfdCBocGZhciA9IFJFQURfU1lTUkVHKEhQRkFSX0VMMik7 Cj4gKwo+ICsgICAgcmV0dXJuICgocGFkZHJfdCkoaHBmYXIgJiBIUEZBUl9NQVNLKSA8PCAoMTIg LSA0KSk7Cj4gK30KPiArCj4gIHN0YXRpYyB2b2lkIGRvX3RyYXBfaW5zdHJfYWJvcnRfZ3Vlc3Qo c3RydWN0IGNwdV91c2VyX3JlZ3MgKnJlZ3MsCj4gICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgY29uc3QgdW5pb24gaHNyIGhzcikKPiAgewo+IEBAIC0yMzgxLDcgKzIzODgs NyBAQCBzdGF0aWMgdm9pZCBkb190cmFwX2luc3RyX2Fib3J0X2d1ZXN0KHN0cnVjdCBjcHVfdXNl cl9yZWdzICpyZWdzLAo+ICAgICAgICAgIH07Cj4gIAo+ICAgICAgICAgIGlmICggaHNyLmlhYnQu czFwdHcgKQo+IC0gICAgICAgICAgICBncGEgPSBSRUFEX1NZU1JFRyhIUEZBUl9FTDIpOwo+ICsg ICAgICAgICAgICBncGEgPSBnZXRfZmF1bHRpbmdfaXBhKCk7Cj4gICAgICAgICAgZWxzZQo+ICAg ICAgICAgIHsKPiAgICAgICAgICAgICAgLyoKPiBAQCAtMjQzMSw3ICsyNDM4LDcgQEAgc3RhdGlj IHZvaWQgZG9fdHJhcF9kYXRhX2Fib3J0X2d1ZXN0KHN0cnVjdCBjcHVfdXNlcl9yZWdzICpyZWdz LAo+ICAjZW5kaWYKPiAgCj4gICAgICBpZiAoIGRhYnQuczFwdHcgKQo+IC0gICAgICAgIGluZm8u Z3BhID0gUkVBRF9TWVNSRUcoSFBGQVJfRUwyKTsKPiArICAgICAgICBpbmZvLmdwYSA9IGdldF9m YXVsdGluZ19pcGEoKTsKPiAgICAgIGVsc2UKPiAgICAgIHsKPiAgICAgICAgICByYyA9IGd2YV90 b19pcGEoaW5mby5ndmEsICZpbmZvLmdwYSwgR1YyTV9SRUFEKTsKPiBkaWZmIC0tZ2l0IGEveGVu L2luY2x1ZGUvYXNtLWFybS9wcm9jZXNzb3IuaCBiL3hlbi9pbmNsdWRlL2FzbS1hcm0vcHJvY2Vz c29yLmgKPiBpbmRleCA3ZTZlYjY2Li42Nzg5Y2QwIDEwMDY0NAo+IC0tLSBhL3hlbi9pbmNsdWRl L2FzbS1hcm0vcHJvY2Vzc29yLmgKPiArKysgYi94ZW4vaW5jbHVkZS9hc20tYXJtL3Byb2Nlc3Nv ci5oCj4gQEAgLTU2NSw2ICs1NjUsMTMgQEAgdW5pb24gaHNyIHsKPiAgCj4gICNkZWZpbmUgRlND X0xMX01BU0sgICAgKF9BQygweDAzLFUpPDwwKQo+ICAKPiArLyogSFBGQVJfRUwyOiBIeXBlcnZp c29yIElQQSBGYXVsdCBBZGRyZXNzIFJlZ2lzdGVyICovCj4gKyNpZmRlZiBDT05GSUdfQVJNXzY0 Cj4gKyNkZWZpbmUgSFBGQVJfTUFTSwlHRU5NQVNLKDM5LCA0KQo+ICsjZWxzZQo+ICsjZGVmaW5l IEhQRkFSX01BU0sJR0VOTUFTSygzMSwgNCkKPiArI2VuZGlmCj4gKwo+ICAvKiBUaW1lIGNvdW50 ZXIgaHlwZXJ2aXNvciBjb250cm9sIHJlZ2lzdGVyICovCj4gICNkZWZpbmUgQ05USENUTF9FTDJf RUwxUENURU4gKDF1PDwwKSAvKiBLZXJuZWwvdXNlciBhY2Nlc3MgdG8gcGh5c2ljYWwgY291bnRl ciAqLwo+ICAjZGVmaW5lIENOVEhDVExfRUwyX0VMMVBDRU4gICgxdTw8MSkgLyogS2VybmVsL3Vz ZXIgYWNjZXNzIHRvIENOVFAgdGltZXIgcmVncyAqLwo+IAoKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl dmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==