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: [2/2] x86/MCE: Always save MCA_{ADDR,MISC,SYND} register contents From: Borislav Petkov Message-Id: <20180326193526.GK25548@pd.tnic> Date: Mon, 26 Mar 2018 21:35:26 +0200 To: Yazen Ghannam Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, tony.luck@intel.com, x86@kernel.org List-ID: T24gTW9uLCBNYXIgMjYsIDIwMTggYXQgMDI6MTU6MjZQTSAtMDUwMCwgWWF6ZW4gR2hhbm5hbSB3 cm90ZToKPiBGcm9tOiBZYXplbiBHaGFubmFtIDx5YXplbi5naGFubmFtQGFtZC5jb20+Cj4gCj4g VGhlIEludGVsIFNETSBhbmQgQU1EIEFQTSBib3RoIHN0YXRlIHRoYXQgdGhlIGNvbnRlbnRzIG9m IHRoZSBNQ0FfQUREUgo+IHJlZ2lzdGVyIHNob3VsZCBiZSBzYXZlZCBpZiBNQ0FfU1RBVFVTW0FE RFJWXSBpcyBzZXQuIFRoZSBzYW1lIGFwcGxpZXMKPiB0byBNQ0FfTUlTQyBhbmQgTUNBX1NZTkQg KG9uIFNNQ0Egc3lzdGVtcykgYW5kIHRoZWlyIHJlc3BlY3RpdmUgdmFsaWQKPiBiaXRzLgo+IAo+ IEhvd2V2ZXIsIHRoZSBGYW0xN2ggUHJvY2Vzc29yIFByb2dyYW1taW5nIFJlZmVyZW5jZSBzdGF0 ZXMKPiAiRXJyb3IgaGFuZGxlcnMgc2hvdWxkIHNhdmUgdGhlIHZhbHVlcyBpbiBNQ0FfQUREUiwg TUNBX01JU0MwLCBhbmQKPiBNQ0FfU1lORCBldmVuIGlmIE1DQV9TVEFUVVNbQWRkclZdLCBNQ0Ff U1RBVFVTW01pc2NWXSwgYW5kCj4gTUNBX1NUQVRVU1tTeW5kVl0gYXJlIHplcm8uIgoKV2VsbCwg dGhlbiB5b3UgY2FuJ3QgcmVtb3ZlIHZhbGlkIGJpdCBjaGVja3MgZm9yIG9sZGVyIGZhbWlsaWVz LiBUaGlzCnNvdW5kcyBsaWtlIEYxN2ggb25seS4KCklmIHNvLCBpdCBiZXR0ZXIgYmUgYWJzdHJh Y3RlZCBhd2F5IGNsZWFubHkgYW5kIG5vdCBjaGFuZ2luZyB0aGUgZ2VuZXJpYwpjb2RlLgoKPiAK PiBUaGlzIGlzIHRvIGVuc3VyZSB0aGF0IGFsbCBNQ0Egc3RhdGUgaW5mb3JtYXRpb24gaXMgY29s bGVjdGVkIGV2ZW4gaWYKPiBzb2Z0d2FyZSBjYW5ub3QgYWN0IHVwb24gaXQgKGJlY2F1c2UgdGhl IHZhbGlkIGJpdHMgYXJlIGNsZWFyZWQpLgo+IAo+IFNvIGFsd2F5cyBzYXZlIHRoZSBhdXhpbGlh cnkgTUNBIHJlZ2lzdGVyIGNvbnRlbnRzIGV2ZW4gaWYgdGhlIHZhbGlkCj4gYml0cyBhcmUgY2xl YXJlZC4gVGhpcyBzaG91bGQgbm90IGFmZmVjdCBlcnJvciBwcm9jZXNzaW5nIGJlY2F1c2UKPiBz b2Z0d2FyZSBzaG91bGQgc3RpbGwgY2hlY2sgdGhlIHZhbGlkIGJpdHMgYmVmb3JlIHVzaW5nIHRo ZSByZWdpc3Rlcgo+IGNvbnRlbnRzIGZvciBlcnJvciBwcm9jZXNzaW5nLgo+IAo+IEFsc28sIHBy aW50IE1DQV97QUREUixNSVNDLFNZTkR9IGV2ZW4gaWYgdGhlaXIgdmFsaWQgYml0cyBhcmUgbm90 IHNldC4KPiBQcmludGluZyBmcm9tIEVEQUMvbWNlX2FtZCBpcyBpbmNsdWRlZCBoZXJlIHNpbmNl IHdlIHdhbnQgdG8gZG8gdGhpcyBvbgo+IEFNRCBzeXN0ZW1zLgo+IAo+IFNpZ25lZC1vZmYtYnk6 IFlhemVuIEdoYW5uYW0gPHlhemVuLmdoYW5uYW1AYW1kLmNvbT4KPiAtLS0KPiAgYXJjaC94ODYv a2VybmVsL2NwdS9tY2hlY2svbWNlLmMgICAgIHwgMjMgKysrKysrKy0tLS0tLS0tLS0tLS0tLS0K PiAgYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlX2FtZC5jIHwgMTAgKysrLS0tLS0tLQo+ ICBkcml2ZXJzL2VkYWMvbWNlX2FtZC5jICAgICAgICAgICAgICAgfCAxMCArKystLS0tLS0tCj4g IDMgZmlsZXMgY2hhbmdlZCwgMTMgaW5zZXJ0aW9ucygrKSwgMzAgZGVsZXRpb25zKC0pCj4gCj4g ZGlmZiAtLWdpdCBhL2FyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZS5jIGIvYXJjaC94ODYv a2VybmVsL2NwdS9tY2hlY2svbWNlLmMKPiBpbmRleCA0MmNmMjg4MGQwZWQuLmE1NTZlMWNhZGZi YyAxMDA2NDQKPiAtLS0gYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2UuYwo+ICsrKyBi L2FyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZS5jCj4gQEAgLTI0OCwxOSArMjQ4LDE0IEBA IHN0YXRpYyB2b2lkIF9fcHJpbnRfbWNlKHN0cnVjdCBtY2UgKm0pCj4gIAl9Cj4gIAo+ICAJcHJf ZW1lcmcoSFdfRVJSICJUU0MgJWxseCAiLCBtLT50c2MpOwo+IC0JaWYgKG0tPmFkZHIpCj4gLQkJ cHJfY29udCgiQUREUiAlbGx4ICIsIG0tPmFkZHIpOwo+IC0JaWYgKG0tPm1pc2MpCj4gLQkJcHJf Y29udCgiTUlTQyAlbGx4ICIsIG0tPm1pc2MpOwo+ICsJcHJfY29udCgiQUREUiAlMDE2bGx4ICIs IG0tPmFkZHIpOwo+ICsJcHJfY29udCgiTUlTQyAlMDE2bGx4XG4iLCBtLT5taXNjKTsKCllvdSBz aW1wbHkgY2FuJ3QgZG8gdGhpcyAtIHRoaXMgaXMgZ2VuZXJpYyBjb2RlLCBub3QgQU1EIG9ubHku Cg==