From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2] xen/arm32: Distinguish guest SError from Xen data aborts Date: Thu, 4 May 2017 20:19:25 +0100 Message-ID: <40ca7c0f-a899-85da-36ac-bb96d1676793@arm.com> References: <1493868469-5054-1-git-send-email-Wei.Chen@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Stefano Stabellini , Wei Chen Cc: Kaly.Xin@arm.com, nd@arm.com, steve.capper@arm.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org SGksCgpPbiAwNS8wNC8yMDE3IDA3OjMyIFBNLCBTdGVmYW5vIFN0YWJlbGxpbmkgd3JvdGU6Cj4g T24gVGh1LCA0IE1heSAyMDE3LCBXZWkgQ2hlbiB3cm90ZToKPj4gQVJNMzIgZG9lc24ndCBoYXZl IGFuIGV4Y2VwdGlvbiBzaW1pbGFyIHRvIGh5cF9zeW5jIG9mIEFSTTY0IHRvIGNhdGNoCj4+IHRo ZSBzeW5jaHJvbm91cyBkYXRhIGFib3J0IChGb3IgZXhhbXBsZSwgYSBOVUxMIHBvaW50ZXIgaGFz IGJlZW4gcmVmZXJlbmNlZCkuCj4+IEhlbmNlIHRoZSBTRXJyb3IgYW5kIHN5bmMgZGF0YSBhYm9y dCB3aWxsIGJlIGNhdWdodCBieSB0aGUgc2FtZSBkYXRhIGFib3J0Cj4+IGV4Y2VwdGlvbi4KPj4K Pj4gU2luY2UgY29tbWl0ICIzZjE2YzhjYiIgd2UgdHJlYXQgYWxsIGRhdGEgYWJvcnRzIGNhdWdo dCBieSB0aGlzIGV4Y2V0cGlvbgoKcy9leGNldHBpb24vZXhjZXB0aW9uLwoKPj4gYXMgU0Vycm9y LiBUaGlzIG1lYW5zLCB3ZSB3aWxsIGZvcndhcmQgWGVuIHN5bmNocm9ub3VzIGRhdGEgYWJvcnQg dG8gZ3Vlc3QsCj4+IGlmIHRoZSBzZXJyb3Jfb3A9Rk9SV0FSRC4gVGhpcyBpcyBvYnZpb3VzbHkg aW5jb3JyZWN0LiBCdXQgd2UgZG9uJ3QgaGF2ZQo+PiBhbnkgbWV0aG9kIHRvIGRpc3Rpbmd1aXNo IFNFcnJvciBmcm9tIFhlbiBkYXRhIGFib3J0cy4KPj4KPj4gQnV0IHdlIGNhbiBkaXN0aW5ndWlz aCBndWVzdCBnZW5lcmF0ZWQgU0Vycm9yIGZyb20gWGVuIGRhdGEgYWJvcnRzLiBTbyB3ZQo+PiB3 YW50IHRvIGNoYW5nZSB0aGUgcG9saWN5IHRvIGhhbmRsZSBkYXRhIGFib3J0cyBmb3IgQVJNMzI6 Cj4+IDEuIElmIHRoaXMgZGF0YSBhYm9ydCBpcyBndWVzdCBnZW5lcmF0ZWQgU0Vycm9yLCB3ZSB3 aWxsIGhhbmRsZSB0aGlzIGRhdGEKPj4gICAgYWJvcnQgZm9sbG93IHRoZSBTRXJyb3IgaGFuZGxl IG9wdGlvbiBzZXR0aW5nLgo+PiAyLiBJZiB0aGlzIGRhdGEgYWJvcnQgaXMgc3luY2hyb25vdXMg ZGF0YSBhYm9ydCBvciBYZW4gZ2VuZXJhdGUgU0Vycm9yLCB3ZQo+PiAgICB3aWxsIFBBTklDIHRo ZSB3aG9sZSBzeXN0ZW0uCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IFdlaSBDaGVuIDxXZWkuQ2hlbkBh cm0uY29tPgo+Cj4gUmV2aWV3ZWQtYnk6IFN0ZWZhbm8gU3RhYmVsbGluaSA8c3N0YWJlbGxpbmlA a2VybmVsLm9yZz4KClRoaXMgaXMgYmFzaWNhbGx5IHJldmVydGluZyB0aGUgcGF0Y2ggM2YxNmMg Inhlbi9hcm06IFJlcGxhY2UgCmRvX3RyYXBfZ3Vlc3Rfc2Vycm9yIHdpdGggbmV3IGhlbHBlcnMi IHdpdGggYSB0d2VhayBpbiB0aGUgbmFtZS4KCkkgdGhpbmsgdGhpcyBpcyB0aGUgcmlnaHQgc29s dXRpb24gYXMgd2UgZG9uJ3Qgd2FudCBYZW4gbGVnaXQgZXJyb3IgdG8gCmJlIGZvcndhcmRlZCB0 byB0aGUgZ3Vlc3QuCgpSZWxlYXNlLWFja2VkLWJ5OiBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFs bEBhcm0uY29tPgoKQ2hlZXJzLAoKPgo+Cj4+IHYxLT52MjoKPj4gQWRkIGFuIGluLWNvZGUgY29t bWVudCB0byBkZXNjcmliZSB0aGlzIGNoYW5nZS4KPj4KPj4gLS0tCj4+ICB4ZW4vYXJjaC9hcm0v YXJtMzIvdHJhcHMuYyB8IDEzICsrKysrKysrKysrKy0KPj4gIDEgZmlsZSBjaGFuZ2VkLCAxMiBp bnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS94ZW4vYXJjaC9h cm0vYXJtMzIvdHJhcHMuYyBiL3hlbi9hcmNoL2FybS9hcm0zMi90cmFwcy5jCj4+IGluZGV4IDVi YzVmNjQuLjQ4YmFhNjQgMTAwNjQ0Cj4+IC0tLSBhL3hlbi9hcmNoL2FybS9hcm0zMi90cmFwcy5j Cj4+ICsrKyBiL3hlbi9hcmNoL2FybS9hcm0zMi90cmFwcy5jCj4+IEBAIC02Miw3ICs2MiwxOCBA QCBhc21saW5rYWdlIHZvaWQgZG9fdHJhcF9wcmVmZXRjaF9hYm9ydChzdHJ1Y3QgY3B1X3VzZXJf cmVncyAqcmVncykKPj4KPj4gIGFzbWxpbmthZ2Ugdm9pZCBkb190cmFwX2RhdGFfYWJvcnQoc3Ry dWN0IGNwdV91c2VyX3JlZ3MgKnJlZ3MpCj4+ICB7Cj4+IC0gICAgZG9fdHJhcF9oeXBfc2Vycm9y KHJlZ3MpOwo+PiArICAgIC8qCj4+ICsgICAgICogV2UgY2Fubm90IGRpc3Rpbmd1aXNoIFhlbiBT RXJyb3JzIGZyb20gc3luY2hyb25vdXMgZGF0YSBhYm9ydHMuIFdlCj4+ICsgICAgICogd2FudCB0 byBhdm9pZCB0cmVhdGluZyBhbnkgWGVuIHN5bmNocm9ub3VzIGFib3J0cyBhcyBTRXJyb3JzIGFu ZAo+PiArICAgICAqIGZvcndhcmRpbmcgdGhlbSB0byB0aGUgZ3Vlc3QuIEluc3RlYWQsIGNyYXNo IHRoZSBzeXN0ZW0gaW4gYWxsCj4+ICsgICAgICogY2FzZXMgd2hlbiB0aGUgYWJvcnQgY29tZXMg ZnJvbSBYZW4uIEV2ZW4gaWYgdGhleSBhcmUgWGVuIFNFcnJvcnMKPj4gKyAgICAgKiBpdCB3b3Vs ZCBiZSBhIHJlYXNvbmFibGUgdGhpbmcgdG8gZG8sIGFuZCB0aGUgZGVmYXVsdCBiZWhhdmlvciB3 aXRoCj4+ICsgICAgICogc2Vycm9yX29wID09IERJVkVSU0UuCj4+ICsgICAgICovCj4+ICsgICAg aWYgKCBWQUJPUlRfR0VOX0JZX0dVRVNUKHJlZ3MpICkKPj4gKyAgICAgICAgZG9fdHJhcF9ndWVz dF9zZXJyb3IocmVncyk7Cj4+ICsgICAgZWxzZQo+PiArICAgICAgICBkb191bmV4cGVjdGVkX3Ry YXAoIkRhdGEgQWJvcnQiLCByZWdzKTsKPj4gIH0KPj4KPj4gIC8qCj4+IC0tCj4+IDIuNy40Cj4+ Cj4+Cj4+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4+ IFhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKPj4gWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKPj4gaHR0 cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo+PgoKLS0gCkp1bGllbiBHcmFsbAoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVu LWRldmVsCg==