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: [1/2] x86/MCE/AMD: Cache SMCA MISC block addresses From: Boris Petkov Message-Id: <20180517183058.GA24312@pd.tnic> Date: Thu, 17 May 2018 20:30:58 +0200 To: "Ghannam, Yazen" Cc: Johannes Hirte , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "tony.luck@intel.com" , "x86@kernel.org" List-ID: RnJvbTogQm9yaXNsYXYgUGV0a292IDxicEBzdXNlLmRlPgoKLi4uIGludG8gYSBnbG9iYWwsIHR3 by1kaW1lbnNpb25hbCBhcnJheSBhbmQgc2VydmljZSBzdWJzZXF1ZW50IHJlYWRzCmZyb20gdGhh dCBjYWNoZSB0byBhdm9pZCByZG1zcl9vbl9jcHUoKSBjYWxscyBkdXJpbmcgQ1BVIGhvdHBsdWcg KElQSXMKd2l0aCBJUlFzIGRpc2FibGVkKS4KCkluIGFkZGl0aW9uLCB0aGlzIGZpeGVzIGEgS0FT QU4gc2xhYi1vdXQtb2YtYm91bmRzIHJlYWQgZHVlIHRvIHdyb25nCnVzYWdlIG9mIHRoZSBiYW5r LT5ibG9ja3MgcG9pbnRlci4KClJlcG9ydGVkLWJ5OiBKb2hhbm5lcyBIaXJ0ZSA8am9oYW5uZXMu aGlydGVAZGF0ZW5raGFvcy5kZT4KU2lnbmVkLW9mZi1ieTogQm9yaXNsYXYgUGV0a292IDxicEBz dXNlLmRlPgpDYzogWWF6ZW4gR2hhbm5hbSA8eWF6ZW4uZ2hhbm5hbUBhbWQuY29tPgpGaXhlczog MjdiZDU5NTAyNzAyICgieDg2L21jZS9BTUQ6IEdldCBhZGRyZXNzIGZyb20gYWxyZWFkeSBpbml0 aWFsaXplZCBibG9jayIpCkxpbms6IGh0dHA6Ly9sa21sLmtlcm5lbC5vcmcvci8yMDE4MDQxNDAw NDIzMC5HQTIwMzNAcHJvYm9vawotLS0KIGFyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZV9h bWQuYyB8IDI5ICsrKysrKysrKysrKysrLS0tLS0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAx NCBpbnNlcnRpb25zKCspLCAxNSBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9hcmNoL3g4Ni9r ZXJuZWwvY3B1L21jaGVjay9tY2VfYW1kLmMgYi9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9t Y2VfYW1kLmMKaW5kZXggZjc2NjZlZWY0YTg3Li5jOGUwMzg4MDA1OTEgMTAwNjQ0Ci0tLSBhL2Fy Y2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZV9hbWQuYworKysgYi9hcmNoL3g4Ni9rZXJuZWwv Y3B1L21jaGVjay9tY2VfYW1kLmMKQEAgLTk0LDYgKzk0LDExIEBAIHN0YXRpYyBzdHJ1Y3Qgc21j YV9iYW5rX25hbWUgc21jYV9uYW1lc1tdID0gewogCVtTTUNBX1NNVV0JPSB7ICJzbXUiLAkJIlN5 c3RlbSBNYW5hZ2VtZW50IFVuaXQiIH0sCiB9OwogCitzdGF0aWMgdTMyIHNtY2FfYmFua19hZGRy c1tNQVhfTlJfQkFOS1NdW05SX0JMT0NLU10gX19yb19hZnRlcl9pbml0ID0KK3sKKwlbMCAuLi4g TUFYX05SX0JBTktTIC0gMV0gPSB7IFswIC4uLiBOUl9CTE9DS1MgLSAxXSA9IC0xIH0KK307CisK IGNvbnN0IGNoYXIgKnNtY2FfZ2V0X25hbWUoZW51bSBzbWNhX2JhbmtfdHlwZXMgdCkKIHsKIAlp ZiAodCA+PSBOX1NNQ0FfQkFOS19UWVBFUykKQEAgLTQ0MywyMCArNDQ4LDI2IEBAIHN0YXRpYyB1 MzIgc21jYV9nZXRfYmxvY2tfYWRkcmVzcyh1bnNpZ25lZCBpbnQgY3B1LCB1bnNpZ25lZCBpbnQg YmFuaywKIAlpZiAoIWJsb2NrKQogCQlyZXR1cm4gTVNSX0FNRDY0X1NNQ0FfTUN4X01JU0MoYmFu ayk7CiAKKwkvKiBDaGVjayBvdXIgY2FjaGUgZmlyc3Q6ICovCisJaWYgKHNtY2FfYmFua19hZGRy c1tiYW5rXVtibG9ja10gIT0gLTEpCisJCXJldHVybiBzbWNhX2JhbmtfYWRkcnNbYmFua11bYmxv Y2tdOworCiAJLyoKIAkgKiBGb3IgU01DQSBlbmFibGVkIHByb2Nlc3NvcnMsIEJMS1BUUiBmaWVs ZCBvZiB0aGUgZmlyc3QgTUlTQyByZWdpc3RlcgogCSAqIChNQ3hfTUlTQzApIGluZGljYXRlcyBw cmVzZW5jZSBvZiBhZGRpdGlvbmFsIE1JU0MgcmVncyBzZXQgKE1JU0MxLTQpLgogCSAqLwogCWlm IChyZG1zcl9zYWZlX29uX2NwdShjcHUsIE1TUl9BTUQ2NF9TTUNBX01DeF9DT05GSUcoYmFuayks ICZsb3csICZoaWdoKSkKLQkJcmV0dXJuIGFkZHI7CisJCWdvdG8gb3V0OwogCiAJaWYgKCEobG93 ICYgTUNJX0NPTkZJR19NQ0FYKSkKLQkJcmV0dXJuIGFkZHI7CisJCWdvdG8gb3V0OwogCiAJaWYg KCFyZG1zcl9zYWZlX29uX2NwdShjcHUsIE1TUl9BTUQ2NF9TTUNBX01DeF9NSVNDKGJhbmspLCAm bG93LCAmaGlnaCkgJiYKIAkgICAgKGxvdyAmIE1BU0tfQkxLUFRSX0xPKSkKLQkJcmV0dXJuIE1T Ul9BTUQ2NF9TTUNBX01DeF9NSVNDeShiYW5rLCBibG9jayAtIDEpOworCQlhZGRyID0gTVNSX0FN RDY0X1NNQ0FfTUN4X01JU0N5KGJhbmssIGJsb2NrIC0gMSk7CiAKK291dDoKKwlzbWNhX2Jhbmtf YWRkcnNbYmFua11bYmxvY2tdID0gYWRkcjsKIAlyZXR1cm4gYWRkcjsKIH0KIApAQCAtNDY4LDE4 ICs0NzksNiBAQCBzdGF0aWMgdTMyIGdldF9ibG9ja19hZGRyZXNzKHVuc2lnbmVkIGludCBjcHUs IHUzMiBjdXJyZW50X2FkZHIsIHUzMiBsb3csIHUzMiBoaQogCWlmICgoYmFuayA+PSBtY2FfY2Zn LmJhbmtzKSB8fCAoYmxvY2sgPj0gTlJfQkxPQ0tTKSkKIAkJcmV0dXJuIGFkZHI7CiAKLQkvKiBH ZXQgYWRkcmVzcyBmcm9tIGFscmVhZHkgaW5pdGlhbGl6ZWQgYmxvY2suICovCi0JaWYgKHBlcl9j cHUodGhyZXNob2xkX2JhbmtzLCBjcHUpKSB7Ci0JCXN0cnVjdCB0aHJlc2hvbGRfYmFuayAqYmFu a3AgPSBwZXJfY3B1KHRocmVzaG9sZF9iYW5rcywgY3B1KVtiYW5rXTsKLQotCQlpZiAoYmFua3Ag JiYgYmFua3AtPmJsb2NrcykgewotCQkJc3RydWN0IHRocmVzaG9sZF9ibG9jayAqYmxvY2twID0g JmJhbmtwLT5ibG9ja3NbYmxvY2tdOwotCi0JCQlpZiAoYmxvY2twKQotCQkJCXJldHVybiBibG9j a3AtPmFkZHJlc3M7Ci0JCX0KLQl9Ci0KIAlpZiAobWNlX2ZsYWdzLnNtY2EpCiAJCXJldHVybiBz bWNhX2dldF9ibG9ja19hZGRyZXNzKGNwdSwgYmFuaywgYmxvY2spOwogCg==