From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752252Ab3K3O1z (ORCPT ); Sat, 30 Nov 2013 09:27:55 -0500 Received: from terminus.zytor.com ([198.137.202.10]:60526 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751729Ab3K3O1w (ORCPT ); Sat, 30 Nov 2013 09:27:52 -0500 Date: Sat, 30 Nov 2013 06:27:23 -0800 From: tip-bot for Ingo Molnar Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, a.p.zijlstra@chello.nl, torvalds@linux-foundation.org, rusty@rustcorp.com.au, jwboyer@fedoraproject.org, akpm@linux-foundation.org, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, rusty@rustcorp.com.au, torvalds@linux-foundation.org, a.p.zijlstra@chello.nl, jwboyer@fedoraproject.org, akpm@linux-foundation.org, tglx@linutronix.de To: linux-tip-commits@vger.kernel.org Subject: [tip:core/locking] Revert "smp/cpumask: Make CONFIG_CPUMASK_OFFSTACK=y usable without debug dependency" Git-Commit-ID: 962d9c5757b2ebd30678a88a4f475ae997f4d5dd X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Sat, 30 Nov 2013 06:27:31 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 962d9c5757b2ebd30678a88a4f475ae997f4d5dd Gitweb: http://git.kernel.org/tip/962d9c5757b2ebd30678a88a4f475ae997f4d5dd Author: Ingo Molnar AuthorDate: Sat, 30 Nov 2013 15:20:15 +0100 Committer: Ingo Molnar CommitDate: Sat, 30 Nov 2013 15:20:15 +0100 Revert "smp/cpumask: Make CONFIG_CPUMASK_OFFSTACK=y usable without debug dependency" This reverts commit 9dd1220114e00d8ec5cdc20085bbe198b21e1985. Revert it until Linus's concerns are addressed: this option should not allow nonsensical CONFIG_CPUMASK_OFFSTACK and CONFIG_NR_CPUS values, and it should probably select sane defaults as well. Cc: Josh Boyer Cc: Rusty Russell Cc: Linus Torvalds Cc: Andrew Morton Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-etcruvuw9neycYf0Rripxrjv@git.kernel.org Signed-off-by: Ingo Molnar --- lib/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/Kconfig b/lib/Kconfig index 3f7fb4d..06dc742 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -342,8 +342,7 @@ config CHECK_SIGNATURE bool config CPUMASK_OFFSTACK - bool "Force CPU masks off stack" - depends on SMP + bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS help Use dynamic allocation for cpumask_var_t, instead of putting them on the stack. This is a bit more expensive, but avoids