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,v4,3/3] acpi: apei: Do not panic() on PCIe errors reported through GHES From: Alexandru Gagniuc Message-Id: <95bcbc2d-0f8c-e51a-f0fc-08ea8c5fca26@gmail.com> Date: Fri, 11 May 2018 12:01:52 -0500 To: Borislav Petkov Cc: alex_gagniuc@dellteam.com, austin_bolen@dell.com, shyam_iyer@dell.com, "Rafael J. Wysocki" , Len Brown , Tony Luck , Mauro Carvalho Chehab , Robert Moore , Erik Schmauss , Tyler Baicar , Will Deacon , James Morse , Shiju Jose , "Jonathan (Zhixiong) Zhang" , Dongjiu Geng , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, devel@acpica.org List-ID: T24gMDUvMTEvMjAxOCAxMToyOSBBTSwgQm9yaXNsYXYgUGV0a292IHdyb3RlOgo+IE9uIEZyaSwg TWF5IDExLCAyMDE4IGF0IDExOjEyOjI1QU0gLTA1MDAsIEFsZXggRy4gd3JvdGU6Cj4+PiBJIHRo aW5rICp5b3UqIGRpZG4ndCBnZXQgaXQ6IElTX0VOQUJMRUQoQ09ORklHX0FDUElfQVBFSV9QQ0lF QUVSKSBpcyBub3QKPj4+IGVub3VnaCBvZiBhIGNoZWNrIHRvIGNvbmZpcm0gdGhhdCB0aGVyZSBh Y3R1YWxseSAqaXMqIGFuIEFFUiBkcml2ZXIgdG8KPj4+IGhhbmRsZSB0aGUgZXJyb3JzLiBJZiB5 b3UgcmVhbGx5IHdhbnQgdG8gbWFrZSBzdXJlIHRoZSBkcml2ZXIgaXMgbG9hZGVkCj4+PiBhbmQg ZnVuY3Rpb25pbmcsIHRoZW4geW91IG5lZWQgYW4gZXhwbGljaXQgcmVnaXN0ZXJpbmcgbWVjaGFu aXNtIG9yIHNvbWUKPj4+IG90aGVyIHdheSBvZiBjaGVja2luZyBpdCByZWFsbHkgaXMgdGhlcmUg YW5kIGhhbmRsaW5nIGVycm9ycy4KPj4KPj4gY29uZmlnIEFDUElfQVBFSV9QQ0lFQUVSCj4+IAli b29sICJBUEVJIFBDSWUgQUVSIGxvZ2dpbmcvcmVjb3ZlcmluZyBzdXBwb3J0Igo+PiAJZGVwZW5k cyBvbiBBQ1BJX0FQRUkgJiYgUENJRUFFUgo+PiAJaGVscAo+PiAJICBQQ0llIEFFUiBlcnJvcnMg bWF5IGJlIHJlcG9ydGVkIHZpYSBBUEVJIGZpcm13YXJlIGZpcnN0IG1vZGUuCj4+IAkgIFR1cm4g b24gdGhpcyBvcHRpb24gdG8gZW5hYmxlIHRoZSBjb3JyZXNwb25kaW5nIHN1cHBvcnQuCj4+Cj4+ IFBDSUFFUiBpcyBub3QgbW9kdWxhcml6YWJsZS4gUUVECj4gCj4gUUVEIG15IGFzcy4KPiAKPiBS ZWFkIHRoZSBmKmNrIG15IGVtYWlsIGFnYWluOiB0aGUgcHJlc2VuY2Ugb2YgdGhlICpjb2RlKiBp cwo+IG5vdCBlbm91Z2ggb2YgYSBjaGVjayB0byBjb25maXJtIHRoZSBlcnJvciBoYXMgYmVlbiBo YW5kbGVkLgo+IGFlcl9yZWNvdmVyX3dvcmtfZnVuYygpIGNhbiBmYWlsIGFzIHRoYXQga2ZpZm9f cHV0KCkgaW4KPiBhZXJfcmVjb3Zlcl9xdWV1ZSgpIGNhbiB0b28uCj4gCj4gWW91IG5lZWQgYW4g KmFjdHVhbCogY29uZmlybWF0aW9uIHRoYXQgdGhlIGVycm9yIGhhcyBiZWVuIGhhbmRsZWQKPiBw cm9wZXJseSBhbmQgKm9ubHkqICp0aGVuKiBub3QgcGFuaWMgdGhlIHN5c3RlbS4gT3RoZXJ3aXNl IHlvdSBhcmUKPiBwb3RlbnRpYWxseSBsZWF2aW5nIHRob3NlIGVycm9ycyB1bmhhbmRsZWQuCgoK IkhvdyBpcyBQQ0llIGVycm9yIHNldmVyaXR5IGRlcGVuZGVudCBvbiB3aGV0aGVyIHRoZSBBRVIg ZXJyb3IgcmVwb3J0aW5nCiBkcml2ZXIgaXMgZW5hYmxlZCAoYW5kIHBvc3NpYmx5IG5vdCBldmVu IGxvYWRlZCkgb24gdGhlIHN5c3RlbT8iCgpMaXR0bGUgYWJvdXQgY29uZmlybWF0aW9uIG9mIGVy cm9yIGJlaW5nIGhhbmRsZWQgd2FzIHRhbGtlZCBhYm91dCBlaXRoZXIKaW4geW91ciAqKioqIGVt YWlsLCBvciBwcmV2aW91cyB2ZXJzaW9ucyBvZiB0aGlzIHNlcmllcy4gIEFuZCBxdWl0ZQpmcmFu a2x5IGl0J3MgYmVzaWRlcyB0aGUgc2NvcGUgb2YgdGhpcyBwYXRjaC4KClRoZSBzY29wZSBpcyB0 byBlbmFibGUgU1VSUFJJU0UhISEgcmVtb3ZhbCBvZiBOVk1lIGRyaXZlcyBhbmQgUENJZQpkZXZp Y2VzLiBGb3IgdGhhdCBwdXJwb3NlLCB3ZSBkb24ndCBuZWVkIGNvbmZpcm1hdGlvbiB0aGF0IHRo ZSBlcnJvciB3YXMKaGFuZGxlZC4gU3VjaCBhIGNvbmZpcm1hdGlvbiByZXF1aXJlcyBhIHJld29y ayBvZiBHSEVTIGhhbmRsaW5nLCBvciBhdApsZWFzdCB0aGUgaW50ZXJhY3Rpb24gYmV0d2VlbiBH SEVTIGFuZCBBRVIsIGJvdGggb2Ygd2hpY2ggSSBmaW5kIHRvIGJlCm1vc3RseSBzYXRpc2ZhY3Rv cnkuCgpZb3UgY2FuJ3QgYXQgdGhpcyBwb2ludCBrbm93IGlmIHRoZSBlcnJvciBpcyBnb2luZyB0 byBiZSBoYW5kbGVkLgpUaGVyZSdzIGNvZGUgZnVydGhlciBkb3duc3RyZWFtIHRvIGhhbmRsZSB0 aGlzLiBZb3UgYWxzbyBkaWRuJ3QgbGlrZSBpdAp3aGVuIEkgd2FudGVkIHRvIGhhbmRsZSB0aGlu Z3MgZG93bnN0cmVhbS4KCkkgdW5kZXJzdGFuZCB5b3VyIGNvbmNlcm4gd2l0aCB1bmhhbmRsZWQg QUVSIGVycm9ycyBldm9sdmluZyBpbnRvIE1DRSdzLgpUaGF0J3MgZXh0cmVtZWx5IHJhcmUsIGJ1 dCB3aGVuIGl0IGhhcHBlbnMgeW91IHN0aWxsIHBhbmljIGR1ZSB0byB0aGUKTUNFLiBUbyBnaXZl IHlvdSBhbiBpZGVhIG9mIHRoZSByYXJpdHksIGluIHNldmVyYWwgbW9udGhzIG9mIHRlc3Rpbmcs IEkKd2FzIG9ubHkgYWJsZSB0byByZXByb2R1Y2UgTUNFcyBvbmNlLCBhbmQgdGhhdCB3YXMgd2l0 aCBhIHZlcnkgZGVmZWN0aXZlCmRyaXZlLCBhbmQgYSB2ZXJ5IGlkaW90aWMgdGVzdCBjYXNlLgoK SWYgeW91IGZpbmQgdGhpcyBzb2x1dGlvbiB1bmFjY2VwdGFibGUsIHRoYXQncyBmaW5lLiBXZSBj YW4gZml4IGl0IGluCmZpcm13YXJlLiBXZSBjYW4gaGlkZSBhbGwgdGhlIGV2ZW50cyBmcm9tIHRo ZSBPUywgY29udGFpbiB0aGUgZG93bnN0cmVhbQpwb3J0cywgYW5kIHNpbXVsYXRlIGhvdC1yZW1v dmUgaW50ZXJydXB0cy4gQWxsIGluIGZpcm13YXJlLCBhbGwgdGhlIHRpbWUuCgpBbGV4Ci0tLQpU byB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUg bGludXgtZWRhYyIgaW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtl cm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9t YWpvcmRvbW8taW5mby5odG1sCg==