From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751427AbcGWUmm (ORCPT ); Sat, 23 Jul 2016 16:42:42 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:35506 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751314AbcGWUml (ORCPT ); Sat, 23 Jul 2016 16:42:41 -0400 From: Nicolai Stange To: tip-bot for Andy Lutomirski Cc: linux-tip-commits@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, dvlasenk@redhat.com, krinkin.m.u@gmail.com, toshi.kani@hp.com, mcgrof@suse.com, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, Valdis.Kletnieks@vt.edu, brgerst@gmail.com, tglx@linutronix.de, akpm@linux-foundation.org, bp@alien8.de, luto@kernel.org, hpa@zytor.com, torvalds@linux-foundation.org Subject: Re: [tip:x86/mm] x86/mm/cpa: Fix populate_pgd(): Stop trying to deallocate failed PUDs References: <21cbc2822aa18aa812c0215f4231dbf5f65afa7f.1469249789.git.luto@kernel.org> Date: Sat, 23 Jul 2016 22:42:37 +0200 In-Reply-To: (tip-bot for Andy Lutomirski's message of "Sat, 23 Jul 2016 12:15:54 -0700") Message-ID: <87h9bggk76.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.95 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tip-bot for Andy Lutomirski writes: > Valdis Kletnieks bisected a boot failure back to this recent commit: > > 360cb4d15567 ("x86/mm/cpa: In populate_pgd(), don't set the PGD entry until it's populated") > FYI, I faced the same issue and this patch, applied directly on top of the faulty 360cb4d15567, fixes it for me.