Date: Thu, 28 Jul 2016 05:26:47 -0400 From: Valdis.Kletnieks@...edu To: Nicolai Stange <nicstange@...il.com> Cc: Andy Lutomirski <luto@...nel.org>, kernel-hardening@...ts.openwall.com, x86@...nel.org, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, Borislav Petkov <bp@...en8.de>, Nadav Amit <nadav.amit@...il.com>, Kees Cook <keescook@...omium.org>, Brian Gerst <brgerst@...il.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Jann Horn <jann@...jh.net>, Heiko Carstens <heiko.carstens@...ibm.com>, Ingo Molnar <mingo@...nel.org> Subject: Re: [PATCH v5 03/32] x86/cpa: In populate_pgd, don't set the pgd entry until it's populated On Sat, 23 Jul 2016 16:58:16 +0200, Nicolai Stange said: > Valdis.Kletnieks@...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: > > (...) > [<ffffffffb6055487>] 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.... Content of type "application/pgp-signature" skipped
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