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: Fix the thresholding machinery initialization order From: Borislav Petkov Message-Id: <20181127192535.GQ26395@zn.tnic> Date: Tue, 27 Nov 2018 20:25:35 +0100 To: "Ghannam, Yazen" , =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= , John Clemens Cc: Tony Luck , "linux-edac@vger.kernel.org" , Aravind Gopalakrishnan , Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , "x86@kernel.org" , =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= List-ID: Q3VycmVudGx5LCB0aGUgY29kZSBzZXRzIHVwIHRoZSB0aHJlc2hvbGRpbmcgaW50ZXJydXB0IHZl Y3RvciBhbmQgb25seQp0aGVuIGdvZXMgYWJvdXQgaW5pdGlhbGl6aW5nIHRoZSB0aHJlc2hvbGRp bmcgYmFua3MuIFdoaWNoIGlzIHdyb25nLApiZWNhdXNlIGFuIGVhcmx5IHRocmVzaG9sZGluZyBp bnRlcnJ1cHQgd291bGQgY2F1c2UgYSBOVUxMIHBvaW50ZXIKZGVyZWZlcmVuY2Ugd2hlbiBhY2Nl c3NpbmcgdGhvc2UgYmFua3MgYW5kIHByZXZlbnQgdGhlIG1hY2hpbmUgZnJvbQpib290aW5nLgoK VGhlcmVmb3JlLCBzZXQgdGhlIHRocmVzaG9sZGluZyBpbnRlcnJ1cHQgdmVjdG9yIG9ubHkgKmFm dGVyKiBoYXZpbmcKaW5pdGlhbGl6ZWQgdGhlIGJhbmtzIHN1Y2Nlc3NmdWxseS4KCkZpeGVzOiAx ODgwN2RkYjdmODggKCJ4ODYvbWNlL0FNRDogUmVzZXQgVGhyZXNob2xkIExpbWl0IGFmdGVyIGxv Z2dpbmcgZXJyb3IiKQpSZXBvcnRlZC1ieTogUmFmYcWCIE1pxYJlY2tpIDxyYWZhbEBtaWxlY2tp LnBsPgpSZXBvcnRlZC1ieTogSm9obiBDbGVtZW5zIDxjbGVtZWpAZ21haWwuY29tPgpTaWduZWQt b2ZmLWJ5OiBCb3Jpc2xhdiBQZXRrb3YgPGJwQHN1c2UuZGU+CkNjOiBBcmF2aW5kIEdvcGFsYWty aXNobmFuIDxhcmF2aW5ka3NnLmxrbWxAZ21haWwuY29tPgpDYzogbGludXgtZWRhY0B2Z2VyLmtl cm5lbC5vcmcKQ2M6IHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmcKQ2M6IFRvbnkgTHVjayA8dG9ueS5s dWNrQGludGVsLmNvbT4KQ2M6IHg4NkBrZXJuZWwub3JnCkNjOiBZYXplbiBHaGFubmFtIDxZYXpl bi5HaGFubmFtQGFtZC5jb20+Ckxpbms6IGh0dHBzOi8vbGttbC5rZXJuZWwub3JnL3IvMjAxODEx MjcxMDE3MDAuMjk2NC0xLXphamVjNUBnbWFpbC5jb20KTGluazogaHR0cHM6Ly9idWd6aWxsYS5r ZXJuZWwub3JnL3Nob3dfYnVnLmNnaT9pZD0yMDEyOTEKLS0tCiBhcmNoL3g4Ni9rZXJuZWwvY3B1 L21jaGVjay9tY2VfYW1kLmMgfCAxOSArKysrKystLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdl ZCwgNiBpbnNlcnRpb25zKCspLCAxMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9hcmNoL3g4 Ni9rZXJuZWwvY3B1L21jaGVjay9tY2VfYW1kLmMgYi9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVj ay9tY2VfYW1kLmMKaW5kZXggZGQzM2MzNTc1NDhmLi5lMTI0NTRlMjFiOGEgMTAwNjQ0Ci0tLSBh L2FyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZV9hbWQuYworKysgYi9hcmNoL3g4Ni9rZXJu ZWwvY3B1L21jaGVjay9tY2VfYW1kLmMKQEAgLTU2LDcgKzU2LDcgQEAKIC8qIFRocmVzaG9sZCBM VlQgb2Zmc2V0IGlzIGF0IE1TUjB4QzAwMDA0MTBbMTU6MTJdICovCiAjZGVmaW5lIFNNQ0FfVEhS X0xWVF9PRkYJMHhGMDAwCiAKLXN0YXRpYyBib29sIHRocmVzaG9sZGluZ19lbjsKK3N0YXRpYyBi b29sIHRocmVzaG9sZGluZ19pcnFfZW47CiAKIHN0YXRpYyBjb25zdCBjaGFyICogY29uc3QgdGhf bmFtZXNbXSA9IHsKIAkibG9hZF9zdG9yZSIsCkBAIC01MzQsOSArNTM0LDggQEAgcHJlcGFyZV90 aHJlc2hvbGRfYmxvY2sodW5zaWduZWQgaW50IGJhbmssIHVuc2lnbmVkIGludCBibG9jaywgdTMy IGFkZHIsCiAKIHNldF9vZmZzZXQ6CiAJb2Zmc2V0ID0gc2V0dXBfQVBJQ19tY2VfdGhyZXNob2xk KG9mZnNldCwgbmV3KTsKLQotCWlmICgob2Zmc2V0ID09IG5ldykgJiYgKG1jZV90aHJlc2hvbGRf dmVjdG9yICE9IGFtZF90aHJlc2hvbGRfaW50ZXJydXB0KSkKLQkJbWNlX3RocmVzaG9sZF92ZWN0 b3IgPSBhbWRfdGhyZXNob2xkX2ludGVycnVwdDsKKwlpZiAob2Zmc2V0ID09IG5ldykKKwkJdGhy ZXNob2xkaW5nX2lycV9lbiA9IHRydWU7CiAKIGRvbmU6CiAJbWNlX3RocmVzaG9sZF9ibG9ja19p bml0KCZiLCBvZmZzZXQpOwpAQCAtMTM1Nyw5ICsxMzU2LDYgQEAgaW50IG1jZV90aHJlc2hvbGRf cmVtb3ZlX2RldmljZSh1bnNpZ25lZCBpbnQgY3B1KQogewogCXVuc2lnbmVkIGludCBiYW5rOwog Ci0JaWYgKCF0aHJlc2hvbGRpbmdfZW4pCi0JCXJldHVybiAwOwotCiAJZm9yIChiYW5rID0gMDsg YmFuayA8IG1jYV9jZmcuYmFua3M7ICsrYmFuaykgewogCQlpZiAoIShwZXJfY3B1KGJhbmtfbWFw LCBjcHUpICYgKDEgPDwgYmFuaykpKQogCQkJY29udGludWU7CkBAIC0xMzc3LDkgKzEzNzMsNiBA QCBpbnQgbWNlX3RocmVzaG9sZF9jcmVhdGVfZGV2aWNlKHVuc2lnbmVkIGludCBjcHUpCiAJc3Ry dWN0IHRocmVzaG9sZF9iYW5rICoqYnA7CiAJaW50IGVyciA9IDA7CiAKLQlpZiAoIXRocmVzaG9s ZGluZ19lbikKLQkJcmV0dXJuIDA7Ci0KIAlicCA9IHBlcl9jcHUodGhyZXNob2xkX2JhbmtzLCBj cHUpOwogCWlmIChicCkKIAkJcmV0dXJuIDA7CkBAIC0xNDA4LDkgKzE0MDEsNiBAQCBzdGF0aWMg X19pbml0IGludCB0aHJlc2hvbGRfaW5pdF9kZXZpY2Uodm9pZCkKIHsKIAl1bnNpZ25lZCBsY3B1 ID0gMDsKIAotCWlmIChtY2VfdGhyZXNob2xkX3ZlY3RvciA9PSBhbWRfdGhyZXNob2xkX2ludGVy cnVwdCkKLQkJdGhyZXNob2xkaW5nX2VuID0gdHJ1ZTsKLQogCS8qIHRvIGhpdCBDUFVzIG9ubGlu ZSBiZWZvcmUgdGhlIG5vdGlmaWVyIGlzIHVwICovCiAJZm9yX2VhY2hfb25saW5lX2NwdShsY3B1 KSB7CiAJCWludCBlcnIgPSBtY2VfdGhyZXNob2xkX2NyZWF0ZV9kZXZpY2UobGNwdSk7CkBAIC0x NDE5LDYgKzE0MDksOSBAQCBzdGF0aWMgX19pbml0IGludCB0aHJlc2hvbGRfaW5pdF9kZXZpY2Uo dm9pZCkKIAkJCXJldHVybiBlcnI7CiAJfQogCisJaWYgKHRocmVzaG9sZGluZ19pcnFfZW4pCisJ CW1jZV90aHJlc2hvbGRfdmVjdG9yID0gYW1kX3RocmVzaG9sZF9pbnRlcnJ1cHQ7CisKIAlyZXR1 cm4gMDsKIH0KIC8qCg==