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/AMD: Make sure banks were initialized before accessing them From: Borislav Petkov Message-Id: <20181129083708.GA23686@zn.tnic> Date: Thu, 29 Nov 2018 09:37:08 +0100 To: =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= Cc: =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= , John Clemens , Yazen Ghannam , Tony Luck , linux-edac@vger.kernel.org, Aravind Gopalakrishnan , Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , x86@kernel.org List-ID: T24gVHVlLCBOb3YgMjcsIDIwMTggYXQgMDI6MzM6MDdQTSArMDEwMCwgUmFmYcWCIE1pxYJlY2tp IHdyb3RlOgo+IFN1cmUhIEUtbWFpbCBtZSB3aGVuZXZlciB5b3UgaGF2ZSBzb21ldGhpbmcgdG8g dGVzdCwgSSdsbCBzdGljayB0byB0aGUKPiBjdXJyZW50IEJJT1MgdmVyc2lvbiwgdGhhbmtzIGZv ciB0aGUgbm90aWNlIQoKVGh4IQoKSGVyZSdzIGEgZmlyc3Qgc2ltcGxlIHRyeSB0byBkbyB0aGUg aW5pdGlhbGl6YXRpb24gb2YgdGhlIG5lZWRlZApzdHJ1Y3R1cmVzIG11Y2ggZWFybGllciBzbyB0 aGF0IHRoZSB0aHJlc2hvbGRpbmcgaW50ZXJydXB0IGNhbiBmdW5jdGlvbgplYXJsaWVyIGFuZCBt YXliZSBjYXRjaCB5b3VyIE1DRXMuCgpQbGVhc2UgYXBwbHkgaXQgb250b3AgYW5kIHNlbmQgbWUg ZnVsbCBkbWVzZy4KClRoeC4KCmRpZmYgLS1naXQgYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVj ay9tY2UuYyBiL2FyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZS5jCmluZGV4IDM2ZDI2OTZj OTU2My4uYTVkOGU3YWQ3MDQ2IDEwMDY0NAotLS0gYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVj ay9tY2UuYworKysgYi9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2UuYwpAQCAtMTc0Nywx MCArMTc0Nyw5IEBAIHN0YXRpYyB2b2lkIF9fbWNoZWNrX2NwdV9pbml0X3ZlbmRvcihzdHJ1Y3Qg Y3B1aW5mb194ODYgKmMpCiAJCW1jZV9hZGp1c3RfdGltZXIgPSBjbWNpX2ludGVsX2FkanVzdF90 aW1lcjsKIAkJYnJlYWs7CiAKLQljYXNlIFg4Nl9WRU5ET1JfQU1EOiB7CisJY2FzZSBYODZfVkVO RE9SX0FNRDoKIAkJbWNlX2FtZF9mZWF0dXJlX2luaXQoYyk7CiAJCWJyZWFrOwotCQl9CiAKIAlj YXNlIFg4Nl9WRU5ET1JfSFlHT046CiAJCW1jZV9oeWdvbl9mZWF0dXJlX2luaXQoYyk7CkBAIC0y NDExLDcgKzI0MTAsNyBAQCBzdGF0aWMgX19pbml0IGludCBtY2hlY2tfaW5pdF9kZXZpY2Uodm9p ZCkKIAogCXJldHVybiBlcnI7CiB9Ci1kZXZpY2VfaW5pdGNhbGxfc3luYyhtY2hlY2tfaW5pdF9k ZXZpY2UpOworY29yZV9pbml0Y2FsbChtY2hlY2tfaW5pdF9kZXZpY2UpOwogCiAvKgogICogT2xk IHN0eWxlIGJvb3Qgb3B0aW9ucyBwYXJzaW5nLiBPbmx5IGZvciBjb21wYXRpYmlsaXR5LgpkaWZm IC0tZ2l0IGEvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlX2FtZC5jIGIvYXJjaC94ODYv a2VybmVsL2NwdS9tY2hlY2svbWNlX2FtZC5jCmluZGV4IGUxMjQ1NGUyMWI4YS4uMjI3ZTUwYzcz MjE3IDEwMDY0NAotLS0gYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2VfYW1kLmMKKysr IGIvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlX2FtZC5jCkBAIC0xNDM0LDQgKzE0MzQs NCBAQCBzdGF0aWMgX19pbml0IGludCB0aHJlc2hvbGRfaW5pdF9kZXZpY2Uodm9pZCkKICAqIHdo ZW4gcnVubmluZyB1bmRlciB4ZW4sIHRoZSBpbml0Y2FsbCBvcmRlciBpcyAxLDIsMzsKICAqIG9u IGJhcmVtZXRhbCwgd2Ugc2tpcCAxIGFuZCB3ZSBkbyBvbmx5IDIgYW5kIDMuCiAgKi8KLWxhdGVf aW5pdGNhbGwodGhyZXNob2xkX2luaXRfZGV2aWNlKTsKK2NvcmVfaW5pdGNhbGxfc3luYyh0aHJl c2hvbGRfaW5pdF9kZXZpY2UpOwo=