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: [V2] x86: mce: fix kernel panic when check_interval is changed From: Borislav Petkov Message-Id: <20180302121433.GC7406@pd.tnic> Date: Fri, 2 Mar 2018 13:14:33 +0100 To: Seunghun Han Cc: Tony Luck , linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman List-ID: T24gVGh1LCBNYXIgMDEsIDIwMTggYXQgMDU6MzE6MzFBTSArMDkwMCwgU2V1bmdodW4gSGFuIHdy b3RlOgo+IENoYW5nZXMgc2luY2UgdjE6IGFkZCBtY2Vfc3lzZnNfbXV0ZXggYWNjb3JkaW5nIHRv IHJldmlldyByZXN1bHQuCgpPaywgd2UncmUgZ2V0dGluZyB0aGVyZS4KCj4gIGFyY2gveDg2L2tl cm5lbC9jcHUvbWNoZWNrL21jZS5jIHwgMTIgKysrKysrKysrKystCj4gIDEgZmlsZSBjaGFuZ2Vk LCAxMSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2FyY2gv eDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZS5jIGIvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2sv bWNlLmMKPiBpbmRleCA3MDY1ODQ2ODFhNGMuLmJlZTA3OTVhM2I4YyAxMDA2NDQKPiAtLS0gYS9h cmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2UuYwo+ICsrKyBiL2FyY2gveDg2L2tlcm5lbC9j cHUvbWNoZWNrL21jZS5jCj4gQEAgLTU1LDYgKzU1LDcgQEAKPiAgI2luY2x1ZGUgIm1jZS1pbnRl cm5hbC5oIgo+ICAKPiAgc3RhdGljIERFRklORV9NVVRFWChtY2VfbG9nX211dGV4KTsKPiArc3Rh dGljIERFRklORV9NVVRFWChtY2Vfc3lzZnNfbXV0ZXgpOwo+ICAKPiAgI2RlZmluZSBDUkVBVEVf VFJBQ0VfUE9JTlRTCj4gICNpbmNsdWRlIDx0cmFjZS9ldmVudHMvbWNlLmg+Cj4gQEAgLTIwNDUs OCArMjA0NiwxMSBAQCBzdGF0aWMgdm9pZCBtY2VfZW5hYmxlX2NlKHZvaWQgKmFsbCkKPiAgCQly ZXR1cm47Cj4gIAljbWNpX3JlZW5hYmxlKCk7Cj4gIAljbWNpX3JlY2hlY2soKTsKPiAtCWlmIChh bGwpCj4gKwlpZiAoYWxsKSB7Cj4gKwkJbXV0ZXhfbG9jaygmbWNlX3N5c2ZzX211dGV4KTsKPiAg CQlfX21jaGVja19jcHVfaW5pdF90aW1lcigpOwo+ICsJCW11dGV4X3VubG9jaygmbWNlX3N5c2Zz X211dGV4KTsKPiArCX0KCkluc3RlYWQgb2YgY2hhc2luZyBhbGwgdGhlIHBsYWNlcyB3aGljaCBu ZWVkIHRvIGdyYWIgdGhlIG11dGV4LCBJIHdhcwp0aGlua2luZyBvZiBncmFiYmluZyBpdCBpbiBh bGwgdGhvc2UgZnVuY3Rpb25zIHdoaWNoIG1vZGlmeSBNQ0EgYmVoYXZpb3IKbm9uLXRyaXZpYWxs eSBmcm9tIHN5c2ZzLiBBbmQgdGhvc2UgYXJlOgoKc3RvcmVfaW50X3dpdGhfcmVzdGFydCgpCnNl dF9pZ25vcmVfY2UoKQpzZXRfY21jaV9kaXNhYmxlZCgpCgpBbmQgeW91J3ZlIGRvbmUgdGhhdCBh bHJlYWR5IGZvciBzdG9yZV9pbnRfd2l0aF9yZXN0YXJ0KCkgYW5kIEkgdGhpbmsKZG9pbmcgdGhl IHNhbWUgaW4gdGhlIG90aGVyIHR3byB3aWxsIGFkZHJlc3MgdGhlIGlzc3VlIG5pY2VseSBhbmQK aW4gdGhlIHNpbXBsZXN0IHdheSBwb3NzaWJsZS4KCkFsbCB0aG9zZSBzeXNmcyBvcGVyYXRpb25z IHNob3VsZCBiZSBzeW5jaHJvbml6ZWQgYW55d2F5LiBQbGVhc2UgcmVmbGVjdAp0aGF0IGluIHlv dXIgY29tbWl0IG1lc3NhZ2UgdG9vLgoKVGhlIGFzcGVjdCBhYm91dCBET1MgaXMgbm90IHJlYWxs eSBpbXBvcnRhbnQgYmVjYXVzZSB5b3UgbmVlZCB0byBiZSByb290CnRvIHdyaXRlIHRob3NlIHNv IGlmIHlvdSBoYXZlIHJvb3QsIHRoZXJlIGFyZSBnYXppbGxpb24gd2F5cyB0byBzaG9vdAp5b3Vy c2VsZiBpbiB0aGUgZm9vdCBhbHJlYWR5LgoKPiAgc3RhdGljIHN0cnVjdCBidXNfdHlwZSBtY2Vf c3Vic3lzID0gewo+IEBAIC0yMTMyLDggKzIxMzYsMTQgQEAgc3RhdGljIHNzaXplX3Qgc3RvcmVf aW50X3dpdGhfcmVzdGFydChzdHJ1Y3QgZGV2aWNlICpzLAo+ICAJCQkJICAgICAgc3RydWN0IGRl dmljZV9hdHRyaWJ1dGUgKmF0dHIsCj4gIAkJCQkgICAgICBjb25zdCBjaGFyICpidWYsIHNpemVf dCBzaXplKQo+ICB7Cj4gKwl1bnNpZ25lZCBsb25nIG9sZF9jaGVja19pbnRlcnZhbCA9IGNoZWNr X2ludGVydmFsOwo+ICAJc3NpemVfdCByZXQgPSBkZXZpY2Vfc3RvcmVfaW50KHMsIGF0dHIsIGJ1 Ziwgc2l6ZSk7Cj4gKwo+ICsJaWYgKGNoZWNrX2ludGVydmFsID09IG9sZF9jaGVja19pbnRlcnZh bCkKPiArCQlyZXR1cm4gcmV0OwoKPC0tLS0gbmV3bGluZSBoZXJlLgoKPiArCW11dGV4X2xvY2so Jm1jZV9zeXNmc19tdXRleCk7Cj4gIAltY2VfcmVzdGFydCgpOwo+ICsJbXV0ZXhfdW5sb2NrKCZt Y2Vfc3lzZnNfbXV0ZXgpOwoKPC0tLS0gbmV3bGluZSBoZXJlLgoKPiAgCXJldHVybiByZXQ7Cj4g IH0KPiAgCj4gLS0gCj4gMi4xNi4yCgpUaHguCg==