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: <8e3c0cc6-9c5c-85ce-650c-8f498f5907da@gmail.com> Date: Fri, 11 May 2018 10:54:09 -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: T24gMDUvMTEvMjAxOCAxMDo0MCBBTSwgQm9yaXNsYXYgUGV0a292IHdyb3RlOgo+IE9uIE1vbiwg QXByIDMwLCAyMDE4IGF0IDA0OjMzOjUyUE0gLTA1MDAsIEFsZXhhbmRydSBHYWduaXVjIHdyb3Rl Ogo+PiBUaGUgcG9saWN5IHdhcyB0byBwYW5pYygpIHdoZW4gR0hFUyBzYWlkIHRoYXQgYW4gZXJy b3IgaXMgIkZhdGFsIi4KPj4gVGhpcyBsb2dpYyBpcyB3cm9uZyBmb3Igc2V2ZXJhbCByZWFzb25z LCBhcyBpdCBkb2Vzbid0IHRha2UgaW50bwo+PiBhY2NvdW50IHdoYXQgY2F1c2VkIHRoZSBlcnJv ci4KPj4KPj4gUENJZSBmYXRhbCBlcnJvcnMgaW5kaWNhdGUgdGhhdCB0aGUgbGluayB0byBhIGRl dmljZSBpcyBlaXRoZXIKPj4gdW5zdGFibGUgb3IgdW51c2FibGUuIFRoZXkgZG9uJ3QgaW5kaWNh dGUgdGhhdCB0aGUgbWFjaGluZSBpcyBvbiBmaXJlLAo+PiBhbmQgdGhleSBhcmUgbm90IHNldmVy ZSBlbm91Z2ggdGhhdCB3ZSBuZWVkIHRvIHBhbmljKCkuIEluc3RlYWQgb2YKPj4gcmVseWluZyBv biBjcmFja21vbmtleSBmaXJtd2FyZSwgZXZhbHVhdGUgdGhlIGVycm9yIHNldmVyaXR5IGJhc2Vk IG9uCj4gCSAgICAgXl5eXl5eXl5eXl5eCj4gCj4gUGxlYXNlIGtlZXAgdGhlIHNtYXJ0YXNzIGZv cm11bGF0aW9ucyBmb3IgdGhlIE1MIG9ubHkgYW5kIGRvIG5vdCBsZXQKPiB0aGVtIGxlYWsgaW50 byBjb21taXQgbWVzc2FnZXMuCgpZb3UncmUgcmlnaHQuIFRoZSBtb25rZXlzIGFyZSBub3QgY3Jh Y2suIEluc3RlYWQsIHdoYXQgYSBsb3Qgb2YKbWFudWZhY3R1cmVycyBkbyBpcyBtYWludGFpbiBs YXJnZSBtb25rZXkgZmFybXMgd2l0aCBlbGVjdHJvbmljCnR5cGV3cml0ZXJzLiBHaXZlbiBhIHN1 ZmZpY2llbnRseSBsYXJnZSBmYXJtLCB0aGV5IHRha2UgdGhvc2UgcmVzdWx0cwp3aGljaCBjb21w aWxlLiBPZiB0aG9zZSByZXN1bHRzLCB0aGV5IHBpY2sgYW5kIHNoaXAgdGhlIG9uZSB0aGF0IHRh a2VzCmxvbmdlc3QgdG8gYm9vdCwgd2l0aG91dCB0aGUgY3VzdG9tZXJzIGNvbXBsYWluaW5nLgoK VGhhdCBiZWluZyBjbGFyaWZpZWQsIHNob3VsZCBJIHJlcGxhY2UgImNyYWNrbW9ua2V5IiB3aXRo ICJicm9rZW4iIGluCnRoZSBjb21taXQgbWVzc2FnZT8KCihzbmlwKQoKPj4gKy8qIFBDSWUgZXJy b3JzIHNob3VsZCBub3QgY2F1c2UgYSBwYW5pYy4gKi8KPj4gK3N0YXRpYyBpbnQgZ2hlc19zZWNf cGNpZV9zZXZlcml0eShzdHJ1Y3QgYWNwaV9oZXN0X2dlbmVyaWNfZGF0YSAqZ2RhdGEpCj4+ICt7 Cj4+ICsJc3RydWN0IGNwZXJfc2VjX3BjaWUgKnBjaWVfZXJyID0gYWNwaV9oZXN0X2dldF9wYXls b2FkKGdkYXRhKTsKPj4gKwo+PiArCWlmIChwY2llX2Vyci0+dmFsaWRhdGlvbl9iaXRzICYgQ1BF Ul9QQ0lFX1ZBTElEX0RFVklDRV9JRCAmJgo+PiArCSAgICBwY2llX2Vyci0+dmFsaWRhdGlvbl9i aXRzICYgQ1BFUl9QQ0lFX1ZBTElEX0FFUl9JTkZPICYmCj4+ICsJICAgIElTX0VOQUJMRUQoQ09O RklHX0FDUElfQVBFSV9QQ0lFQUVSKSkKPiAKPiBIb3cgaXMgUENJZSBlcnJvciBzZXZlcml0eSBk ZXBlbmRlbnQgb24gd2hldGhlciB0aGUgQUVSIGVycm9yIHJlcG9ydGluZwo+IGRyaXZlciBpcyBl bmFibGVkIChhbmQgcG9zc2libHkgbm90IGV2ZW4gbG9hZGVkKSBvbiB0aGUgc3lzdGVtPwoKQm9y aXNsYXYsIEkgc2Vuc2Ugc29tZSBjb25mdXNpb24uIEFFUiBpcyBub3QgYSAicmVwb3J0aW5nIiBk cml2ZXIuIEl0CmhhbmRsZXMgdGhlIGVycm9ycy4gWW91IGNhbid0IGxlYXZlIHRoZXNlIGVycm9y cyB1bmhhbmRsZWQuIFRoZXkKcHJvcGFnYXRlIHRvIHRoZSByb290IGNvbXBsZXggYW5kIGNhbiBj YXVzZSBmYXRhbCBNQ0VzIHdoZW4gbm90IGhhbmRsZWQuClRoZSB3aW5kb3cgdG8gaGFuZGxlIHRo ZSBlcnJvciBpcyBwcmV0dHkgbGFyZ2UsIHNvIGl0J3Mgbm90IGEgY29uY2Vybgp3aGVuIHlvdSdy ZSBoYW5kbGluZyBpdC4KCkFsZXgKCj4+ICsJCXJldHVybiBDUEVSX1NFVl9SRUNPVkVSQUJMRTsK Pj4gKwo+PiArCXJldHVybiBnaGVzX2NwZXJfc2V2ZXJpdHkoZ2RhdGEtPmVycm9yX3NldmVyaXR5 KTsKPj4gK30KPj4gKy8qCj4KLS0tClRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5k IHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51eC1lZGFjIiBpbgp0aGUgYm9keSBvZiBhIG1lc3Nh Z2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBo dHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK