From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753622AbcG1J1m (ORCPT ); Thu, 28 Jul 2016 05:27:42 -0400 Received: from outbound.smtp.vt.edu ([198.82.183.121]:60422 "EHLO omr2.cc.vt.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752189AbcG1J1l (ORCPT ); Thu, 28 Jul 2016 05:27:41 -0400 X-Mailer: exmh version 2.8.0 04/21/2012 with nmh-1.6+dev To: Nicolai Stange Cc: Andy Lutomirski , kernel-hardening@lists.openwall.com, x86@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Borislav Petkov , Nadav Amit , Kees Cook , Brian Gerst , Linus Torvalds , Josh Poimboeuf , Jann Horn , Heiko Carstens , Ingo Molnar Subject: Re: [kernel-hardening] [PATCH v5 03/32] x86/cpa: In populate_pgd, don't set the pgd entry until it's populated From: Valdis.Kletnieks@vt.edu In-Reply-To: <87mvl8tn93.fsf@gmail.com> References: <5741.1469162592@turing-police.cc.vt.edu> <4b028b92-81f3-362f-c5be-b7a35cedf5ee@kernel.org> <8376.1469251283@turing-police.cc.vt.edu> <87mvl8tn93.fsf@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1469698007_4839P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Thu, 28 Jul 2016 05:26:47 -0400 Message-ID: <16850.1469698007@turing-police.cc.vt.edu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1469698007_4839P Content-Type: text/plain; charset=us-ascii On Sat, 23 Jul 2016 16:58:16 +0200, Nicolai Stange said: > Valdis.Kletnieks@vt.edu writes: > The reason the patch didn't work for Valdis might be that there is > another issue in next-20150722 with the same symptoms (provided you > don't watch the serial console). Valdis, did you apply the provided > patch on top of next? Sorry, am on vacation, and no option for a serial console, that's why I missed the part about there being *two* issues... > The "other issue" is: > > (...) > [] load_microcode.isra.1.constprop.12+0x37/0xa0 > I bisected this one to 21ef9a5c3164 ("Merge branch 'x86/microcode'"). Both > of its parents do not exhibit that behaviour. This merge's author is > Ingo Molnar, so I added him to the CC list. Confirming that I'm up and running on next-20160727 plus Borislav's patch: Subject: [PATCH -v2 2/2] x86/microcode/intel: Fix initrd loading with CONFIG_RANDOMIZE_MEMORY with USERCOPY, Andy Lutomirski's stack/thread cleanup work, and microcode loading from initramfs all working.... --==_Exmh_1469698007_4839P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Exmh version 2.5 07/13/2001 iQIVAwUBV5nP1wdmEQWDXROgAQLW9Q/+IDHjTFFsV+V7Q7bbyXVGiNume5W7ruWY y+mhckRcX6hU5ZyFOYTDXDJCb3tRFjWmfqmxO8I8VCo6z1bTkkbEFPUxRYlqGdNA iea0Qn9VcMiwS757JR6VIlGvnQbNizLK18FltCNnSHUw0E8P3n8sIvZ0c9N39rDH 0UV53Ak3Z0/Ix/TV4Nr2SpO7HLPSR027gi2xLZ9ArlcjYKtXDXTmJt2kctTUEaYH O6przlJFzrx6HzsApBgpTzJ3rtsyjsgXw16DouqXMlMHdftKrw7z34x+5PN/pkOj P7iCmFOQrEtH83Lui+CB9mW1sn2L6m8Oqaml1xtoVc6HVcGsBTZMh8m2F/iUE5tW TM016SU1wDhPlP+nwjPiK4nQA+0A+fD5rCj4P0wW081cLppeJGW6OOBRtc+FtWqA GRXJuYSqdrqmNCOcvNO08/tAnXW1JYEO5AGAVnl27HG0u+LhZ1jq0mLIJGRjVqFu hpbk9Dz9+8paHzqEODGTSx72XvEEgS0SVFZDSRqqj0dN0Mg+fz1XW1GxEibOaUGd RFcbb5rA0pQwkHQtqjidPb9xPUBN12Xud95fUaJ0C+Jtw+Pu1UdaVQpdOzKw2v7H xw0Ipfi/7BC1ApFMRadHwr9436GBkX7//+8iHsAJrWKjTX4AF/jcJNsPG0At6+3L /51sVWJ0B5w= =zpBj -----END PGP SIGNATURE----- --==_Exmh_1469698007_4839P--