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 12:40:54 -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: U1VSUFJJU0UhISEKCk9uIDA0LzE5LzIwMTggMTE6NDUgQU0sIEJvcmlzbGF2IFBldGtvdiB3cm90 ZToKPiBPbiBUaHUsIEFwciAxOSwgMjAxOCBhdCAxMToyNjo1N0FNIC0wNTAwLCBBbGV4IEcuIHdy b3RlOgo+PiBBdCBhIHZlcnkgaGlnaCBsZXZlbCwgSSdtIHdvcmtpbmcgd2l0aCBEZWxsIG9uIGlt cHJvdmluZyBzZXJ2ZXIKPj4gcmVsaWFiaWxpdHksIHdpdGggYSBmb2N1cyBvbiBOVk1FIGhvdHBs dWcgYW5kIHN1cnByaXNlIHJlbW92YWwuIE9uZSBvZgo+PiB0aGUgZmVhdHVyZXMgd2UgZG9uJ3Qg c3VwcG9ydCBpcyBzdXJwcmlzZSByZW1vdmFsIG9mIE5WTUUgZHJpdmVzOwo+PiBob3RwbHVnIGlz IHN1cHBvcnRlZCB3aXRoICdwcmVwYXJlIHRvIHJlbW92ZScuIFRoaXMgaXMgb25lIG9mIHRoZQo+ PiByZWFzb25zIE5WTUUgaXMgbm90IG9uIGZlYXR1cmUgcGFyaXR5IHdpdGggU0FTIGFuZCBTQVRB Lgo+IAo+IE9rLCBmaXJzdCBxdWVzdGlvbjogaXMgc3VycHJpc2UgcmVtb3ZhbCBzb21ldGhpbmcg cHVyZWx5IG1lY2hhbmljYWwgb3IKPiBkbyB5b3UgbmVlZCBmaXJtd2FyZSBzdXBwb3J0IGZvciBp dD8gSW4gdGhlIHNlbnNlIHRoYXQgeW91IG5lZWQgdG8gdGVsbAo+IHRoZSBmaXJtd2FyZSB0aGF0 IHlvdSB3aWxsIGJlIHJlbW92aW5nIHRoZSBkcml2ZS4KClNVUlBSSVNFISEhIHJlbW92YWwgb25s eSBtZWFucyB0aGF0IHRoZSBzeXN0ZW0gd2FzIG5vdCBleHBlY3RpbmcgdGhlCmRyaXZlIHRvIGJl IHlhbmtlZC4gQW4gZXhhbXBsZSBpcyByZW1vdmluZyBhIFVTQiBmbGFzaCBkcml2ZSB3aXRob3V0 CmZpcnN0IHVubW91bnRpbmcgaXQgYW5kIHJlbW92aW5nIHRoZSB1c2IgZGV2aWNlIChlY2hvIDAg Pgovc3lzL2J1cy91c2IvLi4uL2F1dGhvcml6ZWQpLgoKUENJZSByZW1vdmFsIGFuZCBob3RwbHVn IGlzIGZhaXJseSB3ZWxsIHNwZWMnZCwgYW5kIE5WTWUgcmlkZXMgb24gdGhhdAp3aXRob3V0IGlz c3VlLiBJdCdzIG11Y2ggZWFzaWVyIGFuZCBmYXN0ZXIgZm9yIGFuIE9TIHRvIGp1c3QgZm9sbG93 IHRoZQpzcGVjIGFuZCBoYW5kbGUgdGhpbmdzIG9uIGl0cyBvd24uCgpJbnRlcmZlcmVuY2UgZnJv bSBmaXJtd2FyZSBvbmx5IGNvbWVzIGluIHdpdGggRUZJL0FDUEkgYW5kIEZGUy4gRnJvbSBhCnB1 cmVseSB0ZWNobmljYWwgcG9pbnQgb2YgdmlldywgZmlybXdhcmUgaGFzIG5vdGhpbmcgdG8gZG8g d2l0aCB0aGlzLgpGcm9tIGEgZmlybXdhcmUtY2VudHJpYyB2aWV3LCB1bmZvcnR1bmF0ZWx5LCBm aXJtd2FyZSB3YW50cyB0aGUgYWJpbGl0eQp0byBsb2cgZXJyb3JzIHRvIHRoZSBCTUMuLi4gYW5k IGhvdHBsdWcgZXZlbnRzLgoKRG9lcyBmaXJtd2FyZSBuZWVkIHRvIGtub3cgdGhhdCBhIGRyaXZl IHdpbGwgYmUgcmVtb3ZlZD8gSSdtIG5vdCBhd2FyZQpvZiBhbnkgc3VjaCByZXF1aXJlbWVudC4g SSB0aGluayB0aGUgbWFpbiBwdXJwb3NlIG9mICdwcmVwYXJlIHRvIHJlbW92ZScKaXMgdG8gc2h1 dCBkb3duIGFueSB0cmFmZmljIG9uIHRoZSBsaW5rLiBUaGlzIHdheSwgbGluayByZW1vdmFsIGRv ZXMgbm90CmdlbmVyYXRlIFBDSWUgZXJyb3JzIHdoaWNoIG1heSBvdGhlcndpc2UgZW5kIHVwIGNy YXNoaW5nIHRoZSBPUy4KCgo+IEknbSBzY2VwdGljYWwsIHRob3VnaCwgYXMgaXQgaGFzICJzdXJw cmlzZSIgaW4gdGhlIG5hbWUgc28gSSdtIGd1ZXNzaW5nCj4gdGhlIGZpcm13YXJlIGRvZXNuJ3Qg a25vdyBhYm91dCBpdCwgdGhlIGRyaXZlIHBoeXNpY2FsbHkgZGlzYXBwZWFycyBhbmQKPiB0aGUg Rlcgc3RhcnRzIHNwZXdpbmcgUENJZSBlcnJvcnMuLi4KCkl0J3Mgbm90IHRoZSBGVyB0aGF0IHNw ZXdzIG91dCBlcnJvcnMuIEl0J3MgdGhlIGhhcmR3YXJlLiBJdCdzIHZlcnkKbGlrZWx5IHRoYXQg YSBkZXZpY2Ugd2hpY2ggaXMgYWN0aXZlbHkgdXNlZCB3aWxsIGhhdmUgc2V2ZXJhbCBETUEKdHJh bnNhY3Rpb25zIGFscmVhZHkgcXVldWVkIHVwIGFuZCBsb3RzIG9mIHRyYWZmaWMgZ29pbmcgdGhy b3VnaCB0aGUKbGluay4gV2hlbiB0aGUgbGluayBkaWVzIGFuZCB0aGUgdHJhZmZpYyBjYW4ndCBi ZSBkZWxpdmVyZWQsIFVuc3VwcG9ydGVkClJlcXVlc3QgZXJyb3JzIGFyZSB2ZXJ5IGNvbW1vbi4K Ck9uIHRoZSByNzQweGQsIEZXIGp1c3QgaGlkZXMgdGhvc2UgZXJyb3JzIGZyb20gdGhlIE9TIHdp dGggbm8gZnVydGhlcgpub3RpZmljYXRpb24uIE9uIHRoaXMgbWFjaGluZSBCSU9TIHNldHMgdGhp bmdzIHVwIHN1Y2ggdGhhdCBub24tcG9zdGVkCnJlcXVlc3RzIHJlcG9ydCBmYXRhbCAoUENJZSkg ZXJyb3JzLiBGVyBzdGlsbCB0cmllcyB2ZXJ5IGhhcmQgdG8gaGlkZQp0aGlzIGZyb20gdGhlIE9T LCBhbmQgSSB0aGluayB0aGUgaGV1cmlzdGljIGlzIHRoYXQgaWYgdGhlIGRyaXZlCnBoeXNpY2Fs IHByZXNlbmNlIGlzIGdvbmUsIGRvbid0IGV2ZW4gcmVwb3J0IHRoZSBlcnJvci4KClRoZXJlIGFy ZSBhIGxvdCBvZiBwcm9ibGVtcyB3aXRoIHRoZSBhcHByb2FjaCwgYnV0IG9uZSB0aGluZyB0byBr ZWVwIGluCm1pbmQgaXMgdGhhdCB0aGUgRlcgd2FzIHdyaXR0ZW4gYXQgYSB0aW1lIHdoZW4gT1Nl cyB3ZXJlIG1vcmUgdGhhbiBoYXBweQp0byBjcmFzaCBhdCBhbnkgUENJZSBlcnJvciByZXBvcnRl ZCB0aHJvdWdoIEdIRVMuCgpBbGV4Cgo+PiBJJ20gbm90IHN1cmUgaWYgdGhpcyBpcyB0aGUgZXhh bXBsZSB5b3UncmUgbG9va2luZyBmb3IsIGJ1dAo+PiB0YWtlIGFuIHI3NDB4ZCBzZXJ2ZXIsIGFu ZCBzbG93bHkgdW5wbHVnIGFuIEludGVsIE5WTUUgZHJpdmVzIGF0IGFuCj4+IGFuZ2xlLiBZb3Un cmUgbGlrZWx5IHRvIGNyYXNoIHRoZSBtYWNoaW5lLgo+IAo+IE5vIG5vLCB0aGF0J3MgYWN0dWFs bHkgYSBncmVhdCBleGFtcGxlIQo+IAo+IFRoeC4KPgotLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0 aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LWVkYWMiIGluCnRoZSBi b2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnCk1vcmUgbWFqb3Jk b21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbAo=