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: Allow any CPU to initialize smca_banks array From: Yazen Ghannam Message-Id: <1498759708-27680-1-git-send-email-Yazen.Ghannam@amd.com> Date: Thu, 29 Jun 2017 13:08:28 -0500 To: linux-edac@vger.kernel.org Cc: Borislav Petkov , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, jack@codezen.org, Yazen Ghannam List-ID: RnJvbTogWWF6ZW4gR2hhbm5hbSA8eWF6ZW4uZ2hhbm5hbUBhbWQuY29tPgoKQ3VycmVudCBTTUNB IGltcGxlbWVudGF0aW9ucyBoYXZlIHRoZSBzYW1lIGJhbmtzIG9uIGVhY2ggQ1BVIHdpdGggdGhl Cm5vbi1jb3JlIGJhbmtzIG9ubHkgdmlzaWJsZSB0byBhICJtYXN0ZXIgdGhyZWFkIiBvbiBlYWNo IERpZS4gUHJhY3RpY2FsbHksCnRoaXMgbWVhbnMgdGhlIHNtY2FfYmFua3MgYXJyYXksIHdoaWNo IGRlc2NyaWJlcyB0aGUgYmFua3MsIG9ubHkgbmVlZHMgdG8KYmUgcG9wdWxhdGVkIG9uY2UgYnkg YSBzaW5nbGUgbWFzdGVyIHRocmVhZC4KCkNQVTAgc2VlbWVkIGxpa2UgYSBnb29kIGNhbmRpZGF0 ZSB0byBkbyB0aGUgcG9wdWxhdGluZy4gSG93ZXZlciwgaXQncwpwb3NzaWJsZSB0aGF0IENQVTAg aXMgbm90IGVuYWJsZWQgaW4gd2hpY2ggY2FzZSB0aGUgc21jYV9iYW5rcyBhcnJheSB3b24ndApi ZSBwb3B1bGF0ZWQuCgpSYXRoZXIgdGhhbiB0cnkgdG8gZmlndXJlIG91dCBhbm90aGVyIG1hc3Rl ciB0aHJlYWQgdG8gZG8gdGhlIHBvcHVsYXRpbmcsCndlIHNob3VsZCBqdXN0IGFsbG93IGFueSBD UFUgdG8gcG9wdWxhdGUgdGhlIGFycmF5LgoKRHJvcCB0aGUgQ1BVMCBjaGVjayBhbmQgcmV0dXJu IGVhcmx5IGlmIHRoZSBiYW5rIHdhcyBhbHJlYWR5IGluaXRpYWxpemVkLgpBbHNvLCBkcm9wIHRo ZSBXQVJOaW5nIGFib3V0IGFuIGFscmVhZHkgaW5pdGlhbGl6ZWQgYmFuaywgc2luY2UgdGhpcyB3 aWxsCmJlIGEgY29tbW9uLCBleHBlY3RlZCBvY2N1cnJlbmNlLgoKVGhlIHNtY2FfYmFua3MgYXJy YXkgaXMgb25seSBwb3B1bGF0ZWQgYXQgYm9vdCB0aW1lIGFuZCBDUFVzIGFyZSBicm91Z2h0Cm9u bGluZSBzZXF1ZW50aWFsbHkuIFNvIHRoZXJlJ3Mgbm8gbmVlZCBmb3IgbG9ja2luZyBhcm91bmQg dGhlIGFycmF5LgoKSWYgdGhlIGZpcnN0IENQVSB1cCBpcyBhIG1hc3RlciB0aHJlYWQsIHRoZW4g aXQgd2lsbCBwb3B1bGF0ZSB0aGUgYXJyYXkKd2l0aCBhbGwgYmFua3MsIGNvcmUgYW5kIG5vbi1j b3JlLiBFdmVyeSBDUFUgYWZ0ZXJ3YXJkcyB3aWxsIHJldHVybiBlYXJseS4KCklmIHRoZSBmaXJz dCBDUFUgdXAgaXMgbm90IGEgbWFzdGVyIHRocmVhZCwgdGhlbiBpdCB3aWxsIHBvcHVsYXRlIHRo ZSBhcnJheQp3aXRoIGFsbCBjb3JlIGJhbmtzLiBUaGUgZmlyc3QgQ1BVIGFmdGVyd2FyZHMgdGhh dCBpcyBhIG1hc3RlciB0aHJlYWQgd2lsbApza2lwIHBvcHVsYXRpbmcgdGhlIGNvcmUgYmFua3Mg YW5kIGNvbnRpbnVlIHBvcHVsYXRpbmcgdGhlIG5vbi1jb3JlIGJhbmtzLgpFdmVyeSBDUFUgYWZ0 ZXJ3YXJkcyB3aWxsIHRoZW4gcmV0dXJuIGVhcmx5LgoKU2lnbmVkLW9mZi1ieTogWWF6ZW4gR2hh bm5hbSA8eWF6ZW4uZ2hhbm5hbUBhbWQuY29tPgotLS0KIGFyY2gveDg2L2tlcm5lbC9jcHUvbWNo ZWNrL21jZV9hbWQuYyB8IDkgKystLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25z KCspLCA3IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2FyY2gveDg2L2tlcm5lbC9jcHUvbWNo ZWNrL21jZV9hbWQuYyBiL2FyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZV9hbWQuYwppbmRl eCBiNDE0NjY3MjNmNzEuLjM3ZGM0M2Y4MjBiNCAxMDA2NDQKLS0tIGEvYXJjaC94ODYva2VybmVs L2NwdS9tY2hlY2svbWNlX2FtZC5jCisrKyBiL2FyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21j ZV9hbWQuYwpAQCAtMjE0LDggKzIxNCw4IEBAIHN0YXRpYyB2b2lkIHNtY2FfY29uZmlndXJlKHVu c2lnbmVkIGludCBiYW5rLCB1bnNpZ25lZCBpbnQgY3B1KQogCQl3cm1zcihzbWNhX2NvbmZpZywg bG93LCBoaWdoKTsKIAl9CiAKLQkvKiBDb2xsZWN0IGJhbmtfaW5mbyB1c2luZyBDUFUgMCBmb3Ig bm93LiAqLwotCWlmIChjcHUpCisJLyogUmV0dXJuIGVhcmx5IGlmIHRoaXMgYmFuayB3YXMgYWxy ZWFkeSBpbml0aWFsaXplZC4gKi8KKwlpZiAoc21jYV9iYW5rc1tiYW5rXS5od2lkKQogCQlyZXR1 cm47CiAKIAlpZiAocmRtc3Jfc2FmZV9vbl9jcHUoY3B1LCBNU1JfQU1ENjRfU01DQV9NQ3hfSVBJ RChiYW5rKSwgJmxvdywgJmhpZ2gpKSB7CkBAIC0yMjksMTEgKzIyOSw2IEBAIHN0YXRpYyB2b2lk IHNtY2FfY29uZmlndXJlKHVuc2lnbmVkIGludCBiYW5rLCB1bnNpZ25lZCBpbnQgY3B1KQogCWZv ciAoaSA9IDA7IGkgPCBBUlJBWV9TSVpFKHNtY2FfaHdpZF9tY2F0eXBlcyk7IGkrKykgewogCQlz X2h3aWQgPSAmc21jYV9od2lkX21jYXR5cGVzW2ldOwogCQlpZiAoaHdpZF9tY2F0eXBlID09IHNf aHdpZC0+aHdpZF9tY2F0eXBlKSB7Ci0KLQkJCVdBUk4oc21jYV9iYW5rc1tiYW5rXS5od2lkLAot CQkJICAgICAiQmFuayAlcyBhbHJlYWR5IGluaXRpYWxpemVkIVxuIiwKLQkJCSAgICAgc21jYV9n ZXRfbmFtZShzX2h3aWQtPmJhbmtfdHlwZSkpOwotCiAJCQlzbWNhX2JhbmtzW2JhbmtdLmh3aWQg PSBzX2h3aWQ7CiAJCQlzbWNhX2JhbmtzW2JhbmtdLmlkID0gbG93OwogCQkJc21jYV9iYW5rc1ti YW5rXS5zeXNmc19pZCA9IHNfaHdpZC0+Y291bnQrKzsK