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,v2,3/4] acpi: apei: Do not panic() when correctable errors are marked as fatal. From: Alexandru Gagniuc Message-Id: Date: Thu, 19 Apr 2018 09:57:07 -0500 To: Borislav Petkov Cc: linux-acpi@vger.kernel.org, linux-edac@vger.kernel.org, rjw@rjwysocki.net, lenb@kernel.org, tony.luck@intel.com, tbaicar@codeaurora.org, will.deacon@arm.com, james.morse@arm.com, shiju.jose@huawei.com, zjzhang@codeaurora.org, gengdongjiu@huawei.com, linux-kernel@vger.kernel.org, alex_gagniuc@dellteam.com, austin_bolen@dell.com, shyam_iyer@dell.com, devel@acpica.org, mchehab@kernel.org, robert.moore@intel.com, erik.schmauss@intel.com List-ID: T24gMDQvMTgvMjAxOCAxMjo1NCBQTSwgQm9yaXNsYXYgUGV0a292IHdyb3RlOgo+IE9uIE1vbiwg QXByIDE2LCAyMDE4IGF0IDA0OjU5OjAyUE0gLTA1MDAsIEFsZXhhbmRydSBHYWduaXVjIHdyb3Rl Ogo+PiBGaXJtd2FyZSBpcyBldmlsOgo+PiAgLSBBQ1BJIHdhcyBjcmVhdGVkIHRvICJ0cnkgYW5k IG1ha2UgdGhlICdBQ1BJJyBleHRlbnNpb25zIHNvbWVob3cKPj4gIFdpbmRvd3Mgc3BlY2lmaWMi IGluIG9yZGVyIHRvICJ3b3JrIHdlbGwgd2l0aCBOVCBhbmQgbm90IHRoZSBvdGhlcnMKPj4gIGV2 ZW4gaWYgdGhleSBhcmUgb3BlbiIKPj4gIC0gRUZJIHdhcyBjcmVhdGVkIHRvIGhpZGUgInNlY3Jl dCIgcmVnaXN0ZXJzIGZyb20gdGhlIE9TLgo+PiAgLSBVRUZJIHdhcyBjcmVhdGVkIHRvIGFsbG93 IGNvbXByb21pc2luZyBhbiBvdGhlcndpc2Ugc2VjdXJlIE9TLgo+Pgo+PiBOZXZlciBoYXMgZmly bXdhcmUgYmVlbiBjcmVhdGVkIHRvIHNvbHZlIGEgcHJvYmxlbSBvciBzaW1wbGlmeSBhbgo+PiBv dGhlcndpc2UgY3VtYmVyc29tZSBwcm9jZXNzLiBJdCBpcyBvZiBubyBzdXJwcmlzZSB0aGVuLCB0 aGF0Cj4+IGZpcm13YXJlIG5vd2FkYXlzIGludGVudGlvbmFsbHkgY3Jhc2hlcyBhbiBPUy4KPiAK PiBJIGRvbid0IGJlbGlldmUgSSdtIHNheWluZyB0aGlzIGJ1dCwgZ2V0IHJpZCBvZiB0aGF0IHJh bnQuIEV2ZW4gdGhvdWdoIEkKPiBhZ3JlZSwgaXQgZG9lc24ndCBiZWxvbmcgaW4gYSBjb21taXQg bWVzc2FnZS4KCk9mIGNvdXJzZS4KCihzbmlwKT4gV2VsbCwgVHlsZXIgdG91Y2hlZCB0aGF0IEFF UiBlcnJvciBzZXZlcml0eSBoYW5kbGluZyByZWNlbnRseQphbmQgd2UgaGFkCj4gaXQgYWxsIG5p Y2VseSBkb2N1bWVudGVkIGluIHRoZSBjb21tZW50IGFib3ZlIGdoZXNfaGFuZGxlX2FlcigpLgo+ IAo+IFlvdXIgZ2hlc19oYW5kbGVfYWVyX2lycXNhZmUoKSBncmFmdCBiYXNpY2FsbHkgYnlwYXNz ZXMKPiBnaGVzX2hhbmRsZV9hZXIoKSBpbnN0ZWFkIG9mIGluY29ycG9yYXRpbmcgaW4gaXQuCj4g Cj4gSWYgYWxsIHlvdSB3YW5uYSBzYXkgaXMsIHRoZSBzZXZlcml0eSBjb21wdXRhdGlvbiBzaG91 bGQgZ28gdGhyb3VnaCBhbGwKPiB0aGUgc2VjdGlvbnMgYW5kIGxvb2sgYXQgZWFjaCBlcnJvcidz IHNldmVyaXR5IGJlZm9yZSBtYWtpbmcgYSBkZWNpc2lvbiwKPiB0aGVuIGFkZCB0aGF0IHRvIGdo ZXNfc2V2ZXJpdHkoKSBpbnN0ZWFkIG9mIGRvaW5nIHRoYXQgImRlZmVycmFibGUiCj4gc2V2ZXJp dHkgZGFuY2UuCgpnaGVzX3NldmVyaXR5KCkgaXMgYSBvbmUtdG8tb25lIG1hcHBpbmcgZnJvbSBh IHNldCBvZiB1bnNvcnRlZApzZXZlcml0aWVzIHRvIG1vbm90b25pY2FsbHkgaW5jcmVhc2luZyBu dW1iZXJzLiBUaGUgIm9uZS10by1vbmUiIG1hcHBpbmcKcGFydCBvZiB0aGUgc2VudGVuY2UgaXMg b2J2aW91cyBmcm9tIHRoZSBmdW5jdGlvbiBuYW1lLiBUbyBjaGFuZ2UgaXQgdG8KcGFyc2UgdGhl IGVudGlyZSBHSEVTIHdvdWxkIGNvbXBsZXRlbHkgZGVzdHJveSB0aGlzLCBhbmQgSSB0aGluayBp dAp3b3VsZCBhcHBseSBwb2xpY3kgaW4gdGhlIHdyb25nIHBsYWNlLgoKU2hvdWxkIEkgZG8gdGhh dCwgSSBtaWdodCBoYXZlIHRvIGNhbGwgaXQgc29tZXRoaW5nIGxpa2UKZ2hlc19wYXJzZV9hbmRf YXBwbHlfcG9saWN5X3RvX3NldmVyaXR5KCkuIEJ1dCB0aGF0IG1pc3NlcyB0aGUgd2hvbGUKcG9p bnQgaWYgdGhlc2UgY2hhbmdlcy4KCkkgd291bGQgbGlrZSB0byBnZXQgdG8gdGhlIGhhbmRsZXJz IGZpcnN0LCBhbmQgdGhlbiBkZWNpZGUgaWYgdGhpbmdzIGFyZQpva2F5IG9yIG5vdCwgYnV0IHRo ZSBBUk0gZ3V5cyBkaWRuJ3QgZXhhY3RseSBsaWtlIHRoaXMgYXBwcm9hY2guIEl0CnNlZW1zIHRo ZXJlIGFyZSBxdWl0ZSBzb21lIHBlci1lcnJvci10eXBlIGNvbnNpZGVyYXRpb25zLgpUaGUgbG9n aWNhbCBzdGVwIGlzIHRvIGFzc29jaWF0ZSB0aGVzZSBjb25zaWRlcmF0aW9ucyB3aXRoIHRoZSBz cGVjaWZpYwplcnJvciB0eXBlIHRoZXkgYXBwbHkgdG8sIHJhdGhlciB0aGFuIGhpZGUgdGhlbSBh cyBhIGRlY2lzaW9uIHVuZGVyIGFuCmlubm9jZW50IGdoZXNfc2V2ZXJpdHkoKS4KCj4gQW5kIGFk ZCB0aGUgY2hhbmdlcyB0byB0aGUgcG9saWN5IHRvIHRoZSBjb21tZW50IGFib3ZlCj4gZ2hlc19o YW5kbGVfYWVyKCkuIEkgZG9uJ3Qgd2FudCBhbnkgY2hhbmdlcyBmcm9tIHBlb3BsZSBjb21pbmcg YW5kIGdvaW5nCj4gYW5kIGxlYXZpbmcgdXMgc2NyYXRjaGluZyBoZWFkcyB3aHkgd2UgZGlkIGl0 IHRoaXMgd2F5Lgo+Cj4gQW5kIG5vIG5lZWQgZm9yIHRob3NlIGhhbmRsZXJzIGFuZCBzbyBvbiAt IG1ha2UgaXQgc2ltcGxlIGZpcnN0IC0gdGhlbiB3ZQo+IGNhbiB0YWxrIG1vcmUgY29tcGxleCBo YW5kbGluZy4KCkkgZG9uJ3Qgd2FudCB0byBsZWF2ZSBwZW9wbGUgc2NyYXRjaGluZyB0aGVpciBo ZWFkcywgYnV0IEkgYWxzbyBkb24ndAp3YW50IHRvIG1ha2UgQUVSIGEgc3BlY2lhbCBjYXNlIHdp dGhvdXQgaGF2aW5nIGEgZ2VuZXJpYyB3YXkgdG8gaGFuZGxlCnRoZXNlIGNhc2VzLiBQZW9wbGUg YXJlIGp1c3QgYXMgc3VzY2VwdGlibGUgdG8gc2NyYXRjaCB0aGVpciBoZWFkcwp3b25kZXJpbmcg d2h5IEFFUiBpcyBhIHNwZWNpYWwgY2FzZSBhbmQgZXZlcnl0aGluZyBlbHNlIGNyYXNoZXMuCgpN YXliZSBpdCdzIGJldHRlciBtb3ZlIHRoZSBBRVIgaGFuZGxpbmcgdG8gTk1JL0lSUSBjb250ZXh0 LCBzaW5jZQpnaGVzX2hhbmRsZV9hZXIoKSBpcyBvbmx5IHNjaGVkdWxpbmcgdGhlIHJlYWwgQUVS IGFuZGxlciwgYW5kIGlzIGlycQpzYWZlLiBJJ20gc2NyYXRjaGluZyBteSBoZWFkIGFib3V0IHdo eSB3ZSdyZSBtZXNzaW5nIHdpdGggSVJRIHdvcmsgZnJvbQpOTUkgY29udGV4dCwgaW5zdGVhZCBv ZiBqdXN0IHNjaGVkdWxpbmcgYSByZWd1bGFyIGhhbmRsZXIgdG8gdGFrZSBjYXJlCm9mIHRoaW5n cy4KCkFsZXgKLS0tClRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5l ICJ1bnN1YnNjcmliZSBsaW51eC1lZGFjIiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFq b3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdl ci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK