From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753241AbaBNVWc (ORCPT ); Fri, 14 Feb 2014 16:22:32 -0500 Received: from mga11.intel.com ([192.55.52.93]:38604 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753183AbaBNVW2 (ORCPT ); Fri, 14 Feb 2014 16:22:28 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,847,1384329600"; d="scan'208";a="481803160" From: Andi Kleen To: linux-kernel@vger.kernel.org Cc: x86@kernel.org, linux-kbuild@vger.kernel.org, mmarek@suse.cz, Andi Kleen Subject: [PATCH 07/19] lto: Don't let LATENCYTOP and LOCKDEP select KALLSYMS_ALL Date: Fri, 14 Feb 2014 22:21:31 +0100 Message-Id: <1392412903-25733-8-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1392412903-25733-1-git-send-email-andi@firstfloor.org> References: <1392412903-25733-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen KALLSYMS_ALL enables including data variables into KALLSYMS. With plain KALLSYMS only functions are included. LATENCYTOP and LOCKDEP select KALLSYMS_ALL in addition to KALLSYMS. It's unclear what they actually need _ALL for; they should only need function backtraces and afaik never touch variables. LTO currently does not support KALLSYMS_ALL, which prevents LATENCYTOP and LOCKDEP from working and gives Kconfig errors. Disable the requirement for KALLSYMS_ALL for them, just use KALLSYMS. Signed-off-by: Andi Kleen --- lib/Kconfig.debug | 2 -- 1 file changed, 2 deletions(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index a48abea..5cbf0c5 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -928,7 +928,6 @@ config LOCKDEP select STACKTRACE select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC select KALLSYMS - select KALLSYMS_ALL config LOCK_STAT bool "Lock usage statistics" @@ -1396,7 +1395,6 @@ config LATENCYTOP depends on PROC_FS select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC select KALLSYMS - select KALLSYMS_ALL select STACKTRACE select SCHEDSTATS select SCHED_DEBUG -- 1.8.5.2