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: Tyler Baicar Message-Id: <45fefe7d-c6ea-5791-4477-13ecce39ce48@codeaurora.org> Date: Thu, 19 Jul 2018 14:36:21 -0400 To: James Morse , Borislav Petkov , harba@qti.qualcomm.com Cc: mchehab@kernel.org, linux-edac@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-ID: T24gNy8xOS8yMDE4IDEwOjQ2IEFNLCBKYW1lcyBNb3JzZSB3cm90ZToKPiBPbiAxOS8wNy8xOCAx NTowMSwgQm9yaXNsYXYgUGV0a292IHdyb3RlOgo+PiBPbiBNb24sIEp1bCAxNiwgMjAxOCBhdCAw MToyNjo0OVBNIC0wNDAwLCBUeWxlciBCYWljYXIgd3JvdGU6Cj4+PiBFbmFibGUgcGVyLWxheWVy IGVycm9yIHJlcG9ydGluZyBmb3IgQVJNIHN5c3RlbXMgc28gdGhhdCB0aGUgZXJyb3IKPj4+IGNv dW50ZXJzIGFyZSBpbmNyZW1lbnRlZCBwZXItRElNTS4KPj4+Cj4+PiBPbiBBUk0gc3lzdGVtcyB0 aGF0IHVzZSBmaXJtd2FyZSBmaXJzdCBlcnJvciBoYW5kbGluZyBpdCBpcyB1bmRlcnN0b29kCj4g dW5kZXJzdG9vZCBieSB3aG9tPyBJcyB0aGlzIHdyaXR0ZW4gZG93biBzb21ld2hlcmUsIG9yIGlz IGl0IHRoZSBjb252ZW50aW9uLiAoaW4KPiB3aGljaCBjYXNlLCBsZXRzIGdldCBpdCB3cml0dGVu IGRvd24gc29tZXdoZXJlKQpIZXkgQm9yaXMsIEphbWVzLAoKSXQgaGFzIGp1c3QgYmVlbiBjb252 ZW50aW9uLCBidXQgSGFyYiByZWNlbnRseSBicm91Z2h0IHVwIHRoZSBpZGVhIG9mIGFkZGluZyBp dCAKdG8gU0JCUi4KPj4+IHRoYXQgY2FyZD1jaGFubmVsIGFuZCBtb2R1bGU9RElNTSBvbiB0aGF0 IGNoYW5uZWwuIFBvcHVsYXRlIHRoYXQKPiBJJ20gZ3Vlc3NpbmcgdGhpcyBpcyB0aGUgbWFwcGlu ZyBiZXR3ZWVuIENQRVIgcmVjb3JkcyBhbmQgdGhlIERNSXRhYmxlIGRhdGEuClVuZm9ydHVuYXRl bHkgdGhlIERNSSB0YWJsZSBkb2Vzbid0IGFjdHVhbGx5IGhhdmUgY2hhbm5lbCBhbmQgRElNTSBu dW1iZXIgdmFsdWVzIAp3aGljaAptYWtlcyB0aGlzIG1vcmUgY29tcGxpY2F0ZWQgdGhhbiBJIG9y aWdpbmFsbHkgdGhvdWdodC4uLgo+Pj4gaW5mb3JtYXRpb24gYW5kIGVuYWJsZSBwZXIgbGF5ZXIg ZXJyb3IgcmVwb3J0aW5nIGZvciBBUk0gc3lzdGVtcyBzbyB0aGF0Cj4+PiB0aGUgRURBQyBlcnJv ciBjb3VudGVycyBhcmUgaW5jcmVtZW50ZWQgYmFzZWQgb24gRElNTSBudW1iZXIgYXMgcGVyIHRo ZQo+Pj4gU01CSU9TIHRhYmxlIHJhdGhlciB0aGFuIGp1c3QgaW5jcmVtZW50aW5nIHRoZSBub2lu Zm8gY291bnRlcnMgb24gdGhlCj4+PiBtZW1vcnkgY29udHJvbGxlci4KPiBEb2VzIHRoaXMgd29y ayBvbiB4ODYsIGFuZCBpdHMganVzdCB0aGUgZG1pL2NwZXIgZmllbGRzIGhhdmUgYSBzdWJ0bGUg ZGlmZmVyZW5jZT8KVGhlcmUgYXJlIENQVSBzcGVjaWZpYyBFREFDIGRyaXZlcnMgZm9yIGEgbG90 IG9mIHg4NiBmb2xrcyBhbmQgdGhvc2UgZHJpdmVycyAKcG9wdWxhdGUgdGhlIGxheWVyIGluZm9y bWF0aW9uCmluIGEgY3VzdG9tIHdheS4KCldpdGggbW9yZSBpbnZlc3RpZ2F0aW9uIGFuZCB0ZXN0 aW5nIGl0IHR1cm5zIG91dCBhIHNpbXBsZSBwYXRjaCBsaWtlIHRoaXMgaXMgbm90IApnb2luZyB0 byB3b3JrLiBUaGlzIHdvcmtlZCBmb3IKbWUgb24gYSAxRFBDIGJvYXJkIHNpbmNlIHRoZSBjYXJk IG51bWJlciB0dXJuZWQgb3V0IHRvIGFsd2F5cyBiZSB0aGUgc2FtZSBhcyB0aGUgCmluZGV4IGlu dG8gdGhlIERNSSB0YWJsZQp0byBmaW5kIHRoZSBwcm9wZXIgRElNTS4gT24gYSAyRFBDIGJvYXJk IHRoaXMgZmFpbHMgY29tcGxldGVseS4gVGhlIGdoZXNfZWRhYyAKZHJpdmVyIG9ubHkgc2V0cyB1 cCBhIHNpbmdsZQpsYXllciBzbyBpdCBpcyBvbmx5IHVzaW5nIHRoZSBjYXJkIG51bWJlciB3aXRo IHRoaXMgcGF0Y2guIFRoYXQgc2V0dXAgY2FuIGJlIApzZWVuIGhlcmU6CgpodHRwczovL2VsaXhp ci5ib290bGluLmNvbS9saW51eC92NC4xOC1yYzUvc291cmNlL2RyaXZlcnMvZWRhYy9naGVzX2Vk YWMuYyNMNDY5CgpTbyBpdCBpcyBvbmx5IHNldHRpbmcgdXAgYSBzaW5nbGUgbGF5ZXIgd2l0aCBh bGwgdGhlIERJTU1zIG9uIHRoYXQgbGF5ZXIuIEluIApvcmRlciB0byBwcm9wZXJseSBlbmFibGUg dGhlIGxheWVycwp0byByZXByZXNlbnQgY2hhbm5lbCBhbmQgRElNTSBudW1iZXIgb24gdGhhdCBj aGFubmVsLCB3ZSB3b3VsZCBuZWVkIHRvIGhhdmUgYSAKd2F5IG9mIGRldGVybWluaW5nIHRoZQpu dW1iZXIgb2YgY2hhbm5lbHMgKHdoaWNoIHdvdWxkIGJlIGxheWVyc1swXS5zaXplKSBhbmQgdGhl IG51bWJlciBvZiBESU1NcyBlYWNoIApjaGFubmVsIHN1cHBvcnRlZAoobGF5ZXJzWzFdLnNpemUp LiBUaGVyZSBkb2Vzbid0IGFwcGVhciB0byBiZSBhIHdheSB0byBkZXRlcm1pbmUgdGhhdCBpbmZv cm1hdGlvbiAKYXQgdGhpcyBwb2ludC4KCldpdGggdGhlIGN1cnJlbnQgZ2hlc19lZGFjIHNldHVw LCBpdCBzZWVtcyB0aGUgb25seSB3YXkgdGhpcyBjb3VsZCB3b3JrIHdvdWxkIGJlIAp0byBoYXZl IHRoZSBmaXJtd2FyZQphbHdheXMgcmVwb3J0IHRoZSBtb2R1bGUgdmFsdWUgdG8gYmUgdGhlIGlu ZGV4IGludG8gdGhlIERNSSB0YWJsZSB0aGF0IHRoaXMgRElNTSAKaW5mb3JtYXRpb24gbGl2ZXMu IFdoZW4gSQpzYXkgaW5kZXggaW50byB0aGUgRE1JIHRhYmxlLCBJJ20gbWVhbmluZyB0aGUgaW5k ZXggaW50byB0aGUgbGlzdCBvZiAidHlwZSAxNyIgCkRNSSBlbnRyaWVzLiBTbywgRElNTSBudW1i ZXIKZG9lc24ndCBhY3R1YWxseSBtYXR0ZXIsIHdoYXQgcmVhbGx5IG1hdHRlcnMgaXMgdGhlIG9y ZGVyaW5nIG9mIHRoZSB0eXBlIDE3IAplbnRyaWVzIGluIHRoZSBETUkgdGFibGUuCgpUaGlzIHNl ZW1zIHByZXR0eSBoYWNreSB0byBtZSwgc28gaWYgYW55b25lIGhhcyBvdGhlciBzdWdnZXN0aW9u cyBwbGVhc2Ugc2hhcmUgCnRoZW0uIFRoZSBnb2FsIGlzIHRvIGJlIGFibGUgdG8KZW5hYmxlIHRo ZSBwZXIgbGF5ZXIgZXJyb3IgcmVwb3J0aW5nIGluIHRoZSBnaGVzX2VkYWMgZHJpdmVyIHNvIHRo YXQgdGhlIHBlciAKZGltbSBjb3VudGVycyBleHBvc2VkIGluIHRoZQpFREFDIHN5c2ZzIG5vZGVz IGFyZSBwcm9wZXJseSB1cGRhdGVkLiBUaGUgb3RoZXIgb2J2aW91cyBidXQgbW9yZSBtZXNzeSB3 YXkgCndvdWxkIGJlIHRvIGhhdmUgbm90aWZpZXJzCnJlZ2lzdGVyIHRvIGJlIGNhbGxlZCBieSBn aGVzX2VkYWMgYW5kIGhhdmUgYSBjdXN0b20gRURBQyBkcml2ZXIgZm9yIGVhY2ggQ1BVIHRvIApw cm9wZXJseSBwb3B1bGF0ZSB0aGVpciBsYXllcgppbmZvcm1hdGlvbi4KClRoYW5rcywKVHlsZXIK