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: Raise maximum number of memory controllers From: "Luck, Tony" Message-Id: <20180927214400.GA2249@agluck-desk> Date: Thu, 27 Sep 2018 14:44:01 -0700 To: Borislav Petkov Cc: Russ Anderson , Mauro Carvalho Chehab , Greg KH , Justin Ernst , russ.anderson@hpe.com, Mauro Carvalho Chehab , linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, Aristeu Rozanski Filho List-ID: T24gVGh1LCBTZXAgMjcsIDIwMTggYXQgMDY6NTI6NDRBTSArMDIwMCwgQm9yaXNsYXYgUGV0a292 IHdyb3RlOgo+IE9uIFdlZCwgU2VwIDI2LCAyMDE4IGF0IDA0OjAyOjU3UE0gLTA3MDAsIEx1Y2ss IFRvbnkgd3JvdGU6Cj4gPiBCdXQgLi4uIHdlIGFyZSBhdCAtcmM1LiBOb3Qgc3VyZSB0aGF0IHdl J2xsIGZpZ3VyZSBvdXQsIHdyaXRlLCB0ZXN0ICYgZGVidWcKPiA+IHRoZSBwcm9wZXIgc29sdXRp b24gaW4gdGhlIG5leHQgMy00IHdlZWtzLiBTbyBwZXJoYXBzIHdlIHNob3VsZCBhcHBseQo+ID4g Cj4gPiAtI2RlZmluZSBFREFDX01BWF9NQ1MgICAxNgo+ID4gKyNkZWZpbmUgRURBQ19NQVhfTUNT ICAgNjQKPiA+IAo+ID4gYXMgYSB0ZW1wb3JhcnkgYmFuZC1haWQgdG8gZ2V0IEhQRSdzIDMyLXNv Y2tldCBtYWNoaW5lIHJ1bm5pbmcgd2hpbGUKPiA+IHdlIHdvcmsgb24gdGhlIHByb3BlciBmaXg/ Cj4gCj4gWWVhaCwgYWZ0ZXIgc2xlZXBpbmcgb24gaXQgSSBzZWUgaXQgdGhlIHNhbWUgd2F5IC0g YmFuZC1haWQgaXQgbm93IGFuZAo+IGNsZWFuIGl0IHVwIHByb3Blcmx5IGxhdGVyLgoKVGhlIHBy b2JsZW0gd2l0aCB5b3VyIHBhdGNoIHRoYXQgZ2V0cyByaWQgb2YgRURBQ19NQVhfTUNTIGlzIG1h a2luZwpkZXZpY2UgbGlua3MgdW5kZXIgL3N5cy9idXMvZWRhYy4gIFdoaWNoIGlzIGhpbnRlZCBh dCBpbiBzb21lIG9mIHRoZQpjb2RlIHlvdXIgcGF0Y2ggZGVsZXRlZDoKCi0gICAgICAgLyoKLSAg ICAgICAgKiBUaGUgbWVtb3J5IGNvbnRyb2xsZXIgbmVlZHMgaXRzIG93biBidXMsIGluIG9yZGVy IHRvIGF2b2lkCi0gICAgICAgICogbmFtZXNwYWNlIGNvbmZsaWN0cyBhdCAvc3lzL2J1cy9lZGFj LgotICAgICAgICAqLwotICAgICAgIG5hbWUgPSBrYXNwcmludGYoR0ZQX0tFUk5FTCwgIm1jJWQi LCBtY2ktPm1jX2lkeCk7Ci0gICAgICAgaWYgKCFuYW1lKQotICAgICAgICAgICAgICAgcmV0dXJu IC1FTk9NRU07Ci0KLSAgICAgICBtY2ktPmJ1cy0+bmFtZSA9IG5hbWU7Ci0KLSAgICAgICBlZGFj X2RiZygwLCAiY3JlYXRpbmcgYnVzICVzXG4iLCBtY2ktPmJ1cy0+bmFtZSk7Ci0KLSAgICAgICBl cnIgPSBidXNfcmVnaXN0ZXIobWNpLT5idXMpOwoKSnVzdCB0byBzZWUgaWYgdGhlcmUgd2FzIGFu eXRoaW5nIGVsc2Ugd3JvbmcgSSBhZGRlZCBhIHBhdGNoIHRvCm1ha2UgdGhlIG5hbWVzIHVuaXF1 ZToKCgoKd2hpY2ggc2VlbWVkIHRvIHdvcmsuICBCdXQgdGhlbiBJIGJlZ2FuIHdvbmRlcmluZyB3 aGF0IGFyZSBBQkkgZXhwZWN0YXRpb25zCmZyb20gYXBwbGljYXRpb25zIHRoYXQgcmVhZCB0aGUg RURBQyAvc3lzIGZpbGVzPwoKSXMgdGhpcyB0aGlzIGN1cnJlbnQgc291cmNlIHJlcG9zaXRvcnk/ ICBodHRwczovL2dpdGh1Yi5jb20vZ3JvbmRvL2VkYWMtdXRpbHMKClRoaXMgY29kZSBkb2Vzbid0 IHNlZW0gdG8ga25vdyBhYm91dCB0aGUgImRpbW0qIiBkaXJlY3RvcmllcyBiZWxvdyB0aGUKIm1j KiIgbGV2ZWwuIEl0IGp1c3QgbG9va3MgZm9yIHRoZSBjc3JvdyogZW50cmllcy4KCi1Ub255Cgpk aWZmIC0tZ2l0IGEvZHJpdmVycy9lZGFjL2VkYWNfbWNfc3lzZnMuYyBiL2RyaXZlcnMvZWRhYy9l ZGFjX21jX3N5c2ZzLmMKaW5kZXggMmNhMjAxMmYyODU3Li42ZWM2ZDhhMmFkYjggMTAwNjQ0Ci0t LSBhL2RyaXZlcnMvZWRhYy9lZGFjX21jX3N5c2ZzLmMKKysrIGIvZHJpdmVycy9lZGFjL2VkYWNf bWNfc3lzZnMuYwpAQCAtNDEwLDcgKzQxMCw3IEBAIHN0YXRpYyBpbnQgZWRhY19jcmVhdGVfY3Ny b3dfb2JqZWN0KHN0cnVjdCBtZW1fY3RsX2luZm8gKm1jaSwKIAlkZXZpY2VfaW5pdGlhbGl6ZSgm Y3Nyb3ctPmRldik7CiAJY3Nyb3ctPmRldi5wYXJlbnQgPSAmbWNpLT5kZXY7CiAJY3Nyb3ctPm1j aSA9IG1jaTsKLQlkZXZfc2V0X25hbWUoJmNzcm93LT5kZXYsICJjc3JvdyVkIiwgaW5kZXgpOwor CWRldl9zZXRfbmFtZSgmY3Nyb3ctPmRldiwgIm1jaSVkX2Nzcm93JWQiLCBtY2ktPm1jX2lkeCwg aW5kZXgpOwogCWRldl9zZXRfZHJ2ZGF0YSgmY3Nyb3ctPmRldiwgY3Nyb3cpOwogCiAJZWRhY19k YmcoMCwgImNyZWF0aW5nICh2aXJ0dWFsKSBjc3JvdyBub2RlICVzXG4iLApAQCAtNjQxLDkgKzY0 MSw5IEBAIHN0YXRpYyBpbnQgZWRhY19jcmVhdGVfZGltbV9vYmplY3Qoc3RydWN0IG1lbV9jdGxf aW5mbyAqbWNpLAogCiAJZGltbS0+ZGV2LnBhcmVudCA9ICZtY2ktPmRldjsKIAlpZiAobWNpLT5j c2Jhc2VkKQotCQlkZXZfc2V0X25hbWUoJmRpbW0tPmRldiwgInJhbmslZCIsIGluZGV4KTsKKwkJ ZGV2X3NldF9uYW1lKCZkaW1tLT5kZXYsICJtY2klZF9yYW5rJWQiLCBtY2ktPm1jX2lkeCwgaW5k ZXgpOwogCWVsc2UKLQkJZGV2X3NldF9uYW1lKCZkaW1tLT5kZXYsICJkaW1tJWQiLCBpbmRleCk7 CisJCWRldl9zZXRfbmFtZSgmZGltbS0+ZGV2LCAibWNpJWRfZGltbSVkIiwgbWNpLT5tY19pZHgs IGluZGV4KTsKIAlkZXZfc2V0X2RydmRhdGEoJmRpbW0tPmRldiwgZGltbSk7CiAJcG1fcnVudGlt ZV9mb3JiaWQoJm1jaS0+ZGV2KTsKIAo=