From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [RFC] EDAC, ghes: Enable per-layer error reporting for ARM From: James Morse Message-Id: <2e7b984a-8f8f-dad7-4ee5-043dd236a9b1@arm.com> Date: Wed, 29 Aug 2018 11:20:48 +0100 To: Borislav Petkov Cc: Tyler Baicar , Tyler Baicar , wufan@codeaurora.org, Linux Kernel Mailing List , harba@qti.qualcomm.com, mchehab@kernel.org, arm-mail-list , linux-edac@vger.kernel.org List-ID: SGkgQm9yaXMsCgpPbiAyOS8wOC8xOCAwODozOCwgQm9yaXNsYXYgUGV0a292IHdyb3RlOgo+IE9u IFR1ZSwgQXVnIDI4LCAyMDE4IGF0IDA2OjA5OjI0UE0gKzAxMDAsIEphbWVzIE1vcnNlIHdyb3Rl Ogo+PiBEb2VzIHg4NiBoYXZlIGFub3RoZXIgc291cmNlIG9mIG1lbW9yeS10b3BvbG9neSBpbmZv cm1hdGlvbiBpdCBuZWVkcyB0bwo+PiBjb3JyZWxhdGUgc21iaW9zIHdpdGg/Cj4gCj4gQmFoLCBw aW5wb2ludGluZyB0aGUgRElNTSBvbiB4ODYgaXMgYSBtZXNzLiBUaGVyZSdzIG5vIHJlbGlhYmxl IHdheSB0bwo+IHNheSB3aGljaCBESU1NIGl0IGlzIGluIGNlcnRhaW4gY2FzZXMgKGludGVybGVh dmluZywgbWlycm9ycmluZywgLi4uKQo+IGFuZCBpdCBpcyBhbGwgcGxhdGZvcm0tZGVwZW5kZW50 LiBTbyB3ZSBkbyB0aGUgbGF5ZXJzIHRvIGR1bXAgYSBtZW1vcnkKPiBsb2NhdGlvbiAobm9kZSwg bWVtb3J5IGNvbnRyb2xsZXIsIC4uLi4pIHNvIHRoYXQgd2UgY2FuIGF0IGxlYXN0IGxpbWl0Cj4g dGhlIG51bWJlciBvZiBESU1NcyB0aGUgdXNlciBuZWVkcyB0byByZXBsYWNlL3RyeS4KClJpZ2h0 LiBJJ2QgbGlrZSBnaGVzLWVkYWMgdG8gd29yayBpbiB0aGUgc2FtZSB3YXkgZm9yIGJvdGggYXJj aGl0ZWN0dXJlcy4KCkkgdGhpbmsgdGhpcyBpcyBiZXN0IGRvbmUgYnkgc3R1ZmZpbmcgdGhlIGRt aS1oYW5kbGUgaW4gc3RydWN0IGRpbW1faW5mbyBkdXJpbmcKZ2hlc19lZGFjX2RtaWRlY29kZSgp LCB0aGVuIHBvcHVsYXRpbmcgdGhlIHN0cnVjdCBlZGFjX3Jhd19lcnJvcl9kZXNjIGxheWVycwpm cm9tIHRoZSBtYXRjaGluZyBtY2ktPmRpbW1zICdsb2NhdGlvbicuCgpGb3IgRURBQ19NQ19MQVlF Ul9BTExfTUVNIHRoaXMgYm9pbHMgZG93biB0byBhIGZsYXQgaW5kZXgsIHNvIHBvaW50ZXIgYXJp dGhtZXRpYwpvbiBtY2ktPmRpbW1zIGlzIGFuIGFwcHJvcHJpYXRlIHNob3J0IGN1dC4KCihXZSBz aG91bGQgcHJvYmFibHkgJ0ZJWE1FOiBJdCBzaG91bGRuJ3QgYmUgaGFyZCB0byBhbHNvIGZpbGwg dGhlIERJTU0gbGFiZWxzJwphdCB0aGUgc2FtZSB0aW1lIHNvIHRoYXQgbm8tb25lIGlzIHRlbXB0 ZWQgdG8gaW50ZXJwcmV0IHRoZSBlZGFjOmRpbW0taWR4KQoKCj4gSW4gYW4gaWRlYWwgd29ybGQs IEknZCBsaWtlIHRvIGJlIGFibGUgdG8gcXVlcnkgdGhlIFNQRCBjaGlwcyBvbiB0aGUKCihvaCwg dGhhdCBjYW4gYmUgZG9uZT8pCgoKPiBESU1NcyBhbmQgYnVpbGQgdGhlIHRvcG9sb2d5IGFuZCB0 aGVuIHdoZW4gYW4gZXJyb3IgaGFwcGVucyB0byBzYXksCj4gImVycm9yIGluIERJTU0gPHNpbGtz Y3JlZW4+IiB3aGVyZSBzaWxrc2NyZWVuIGlzIHdoYXQgaXMgd3JpdHRlbiBvbiB0aGUKPiBtb3Ro ZXJib2FyZCB1bmRlciB0aGUgRElNTSBzb2NrZXQuCj4gCj4gQnV0IEkgZG9uJ3Qgc2VlIHRoYXQg aGFwcGVuaW5nIGFueSB0aW1lIHNvb24uLi4KCj4+IEZvciBhcm0gdGhlcmUgaXMgbm90aGluZyBl bHNlIGRlc2NyaWJpbmcgdGhlIG1lbW9yeS10b3BvbG9neSwgc28gYXMgbG9uZyBhcyB3ZQo+PiBj YW4gY29ycmVsYXRlIHRoZSBzbWJpb3MgdGFibGUgYW5kIGdoZXM6Y3BlciByZWNvcmRzIHRocm91 Z2ggdGhlIGhhbmRsZXMsIHdlIGNhbgo+PiBnZXQgdGhpcyB3b3JraW5nIGZvciBhbGwgc3lzdGVt cy4KPiAKPiBBbmQgdGhlbiBtYWtlIHN1cmUgdmVuZG9ycyBmaWxsIGluIHRoZSBwcm9wZXIgaW5m byBpbiBzbWJpb3MuIEJlY2F1c2UgdGhhdCdzCj4gYWxzbyBhIG1lc3Mgb24geDg2LgoKSSBnb3Qg ZWR1Y2F0ZWQgYnkgdGhlIHBlb3BsZSB3aG8gbG9vayBhZnRlciBzcGVjaWZpY2F0aW9ucyBsYXN0 IHRpbWUgSSB0b3VjaGVkCnRoaXMgWzBdLiBTTUJJT1MgdGFibGVzIGFyZSByZXF1aXJlZCBieSBB cm0ncyAnU2VydmVyIEJhc2UgQm9vdCBSZXF1aXJlbWVudHMnLApJdCBsaXN0cyB0aGUgbWVtb3J5 LWRldmljZSBhbmQgcGh5c2ljYWwtbWVtb3J5LWFycmF5IGFzIHJlcXVpcmVkLgoKSSB3aWxsIGRy b3AgdGhlbSBhIG5vdGUgdGhhdCB3ZSB3aWxsIGJlIGRlcGVuZGluZyBvbiB0aGUgaGFuZGxlLCBh bmQgaXQgc2hvdWxkCmdvIG9uIHRoZSBsaXN0IHRvby4uLiBpZiBpdHMgbm90IHBvcHVsYXRlZCBv biB0b2RheSdzIHN5c3RlbXMgd2UgY2FuIGZhbGwgYmFjawp0byAhZS0+ZW5hYmxlX3Blcl9sYXll cl9yZXBvcnQgYXMgd2UgZG8gdG9kYXkuCgoKVGhhbmtzLAoKSmFtZXMKClswXSBodHRwczovL3d3 dy5zcGluaWNzLm5ldC9saXN0cy9hcm0ta2VybmVsL21zZzY1MzEzMy5odG1sCg==