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: x86: mce: fix kernel panic when check_interval is changed From: Seunghun Han Message-Id: <20180223101350.8344-1-kkamagui@gmail.com> Date: Fri, 23 Feb 2018 19:13:50 +0900 To: Tony Luck , Borislav Petkov Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Seunghun Han List-ID: SSBhbSBTZXVuZ2h1biBIYW4gYW5kIGEgc2VuaW9yIHNlY3VyaXR5IHJlc2VhcmNoZXIgYXQgTmF0 aW9uYWwgU2VjdXJpdHkKUmVzZWFyY2ggSW5zdGl0dXRlIG9mIFNvdXRoIEtvcmVhLgoKSSBmb3Vu ZCBhIGNyaXRpY2FsIHNlY3VyaXR5IGlzc3VlIHdoaWNoIGNhbiBtYWtlIGtlcm5lbCBwYW5pYyBp biB1c2Vyc3BhY2UuCkFmdGVyIGFuYWx5emluZyB0aGUgaXNzdWUgY2FyZWZ1bGx5LCBJIGZvdW5k IHRoYXQgTUNFIGRyaXZlciBpbiB0aGUga2VybmVsCmhhcyBhIHByb2JsZW0gd2hpY2ggY2FuIGJl IG9jY3VycmVkIGluIFNNUCBlbnZpcm9ubWVudC4KClRoZSBjaGVja19pbnRlcnZhbCBmaWxlIGlu Ci9zeXMvZGV2aWNlcy9zeXN0ZW0vbWFjaGluZWNoZWNrL21hY2hpbmVjaGVjazxjcHUgbnVtYmVy PiBkaXJlY3RvcnkgaXMgYQpnbG9iYWwgdGltZXIgdmFsdWUgZm9yIE1DRSBwb2xsaW5nLiBJZiBp dCBpcyBjaGFuZ2VkIGJ5IG9uZSBDUFUsIE1DRSBkcml2ZXIKaW4ga2VybmVsIGNhbGxzIG1jZV9y ZXN0YXJ0KCkgZnVuY3Rpb24gYW5kIGJyb2FkY2FzdHMgdGhlIGV2ZW50IHRvIG90aGVyCkNQVXMg dG8gZGVsZXRlIGFuZCByZXN0YXJ0IE1DRSBwb2xsaW5nIHRpbWVyLgoKVGhlIF9fbWNoZWNrX2Nw dV9pbml0X3RpbWVyKCkgZnVuY3Rpb24gd2hpY2ggaXMgY2FsbGVkIGJ5IG1jZV9yZXN0YXJ0KCkK ZnVuY3Rpb24gaW5pdGlhbGl6ZXMgdGhlIG1jZV90aW1lciB2YXJpYWJsZSwgYW5kIHRoZSAibG9j ayIgaW4gbWNlX3RpbWVyIGlzCmFsc28gcmVpbml0aWFsaXplZC4gSWYgbW9yZSB0aGFuIG9uZSBD UFUgd3JpdGUgYSBzcGVjaWZpYyB2YWx1ZSB0bwpjaGVja19pbnRlcnZhbCBmaWxlIGNvbmN1cnJl bnRseSwgb25lIGNhbiBpbml0aWFsaXplIHRoZSAibG9jayIgaW4gbWNlX3RpbWVyCndoaWxlIHRo ZSBvdGhlcnMgYXJlIGhhbmRsaW5nICJsb2NrIiBpbiBtY2VfdGltZXIuIFRoaXMgcHJvYmxlbSBj YXVzZXMgc29tZQpzeW5jaHJvbml6YXRpb24gZXJyb3JzIHN1Y2ggYXMga2VybmVsIHBhbmljIGFu ZCBrZXJuZWwgaGFuZy4KCkl0IGlzIGEgY3JpdGljYWwgc2VjdXJpdHkgcHJvYmxlbSBiZWNhdXNl IHRoZSBhdHRhY2tlciBjYW4gbWFrZSBrZXJuZWwgcGFuaWMKYnkgd3JpdGluZyBhIHZhbHVlIHRv IHRoZSBjaGVja19pbnRlcnZhbCBmaWxlIGluIHVzZXJzcGFjZSwgYW5kIGl0IGNhbiBiZQp1c2Vk IGZvciBEZW5pYWwtb2YtU2VydmljZSAoRG9TKSBhdHRhY2suCgpUbyBmaXggdGhpcyBwcm9ibGVt LCBJIGNoYW5nZWQgdGhlIF9fbWNoZWNrX2NwdV9pbml0X3RpbWVyKCkgZnVuY3Rpb24gdG8KcmV1 c2UgbWNlX3RpbWVyIGluc3RlYWQgb2YgaW5pdGlhbGl6aW5nIGl0LiBUaGUgcHVycG9zZSBvZiB0 aGUgZnVuY3Rpb24gaXMKdG8gcmVzdGFydCB0aGUgdGltZXIgYW5kIGl0IGNhbiBiZSBhcmNoaXZl ZCBieSBjYWxsaW5nCgpTaWduZWQtb2ZmLWJ5OiBTZXVuZ2h1biBIYW4gPGtrYW1hZ3VpQGdtYWls LmNvbT4KLS0tCiBhcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2UuYyB8IDUgKysrLS0KIDEg ZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlLmMgYi9hcmNoL3g4Ni9rZXJuZWwvY3B1 L21jaGVjay9tY2UuYwppbmRleCAzZDhjNTczYTlhMjcuLmQ3MmYyZjc0ZjRkNyAxMDA2NDQKLS0t IGEvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlLmMKKysrIGIvYXJjaC94ODYva2VybmVs L2NwdS9tY2hlY2svbWNlLmMKQEAgLTE3NzEsNyArMTc3MSw2IEBAIHN0YXRpYyB2b2lkIF9fbWNo ZWNrX2NwdV9pbml0X3RpbWVyKHZvaWQpCiB7CiAJc3RydWN0IHRpbWVyX2xpc3QgKnQgPSB0aGlz X2NwdV9wdHIoJm1jZV90aW1lcik7CiAKLQl0aW1lcl9zZXR1cCh0LCBtY2VfdGltZXJfZm4sIFRJ TUVSX1BJTk5FRCk7CiAJbWNlX3N0YXJ0X3RpbWVyKHQpOwogfQogCkBAIC0yMDI5LDggKzIwMjgs MTAgQEAgc3RhdGljIHZvaWQgbWNlX2VuYWJsZV9jZSh2b2lkICphbGwpCiAJCXJldHVybjsKIAlj bWNpX3JlZW5hYmxlKCk7CiAJY21jaV9yZWNoZWNrKCk7Ci0JaWYgKGFsbCkKKwlpZiAoYWxsKSB7 CisJCWRlbF90aW1lcl9zeW5jKHRoaXNfY3B1X3B0cigmbWNlX3RpbWVyKSk7CiAJCV9fbWNoZWNr X2NwdV9pbml0X3RpbWVyKCk7CisJfQogfQogCiBzdGF0aWMgc3RydWN0IGJ1c190eXBlIG1jZV9z dWJzeXMgPSB7Cg==