From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753222AbaBCS3s (ORCPT ); Mon, 3 Feb 2014 13:29:48 -0500 Received: from mail.skyhub.de ([78.46.96.112]:37747 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752324AbaBCS3r (ORCPT ); Mon, 3 Feb 2014 13:29:47 -0500 From: Borislav Petkov To: LKML Cc: X86 ML , Richard Weinberger , Borislav Petkov , Andrew Morton , Linus Torvalds Subject: [PATCH] Clarify CONFIG_DEBUG_INFO's bloaty nature Date: Mon, 3 Feb 2014 19:29:43 +0100 Message-Id: <1391452183-2160-1-git-send-email-bp@alien8.de> X-Mailer: git-send-email 1.8.5.2.192.g7794a68 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov Hold down when it makes sense to enable CONFIG_DEBUG_INFO and when CONFIG_KALLSYMS suffices. Signed-off-by: Borislav Petkov Link: http://lkml.kernel.org/r/CA%2B55aFw_xs1tUteDrXz21QZB7BFk5p%2BF5NZ-SpV=CUVjeFwapA@mail.gmail.com Cc: Andrew Morton Cc: Linus Torvalds --- lib/Kconfig.debug | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index dbf94a7d25a8..9095c2078095 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -126,7 +126,11 @@ config DEBUG_INFO This adds debug symbols to the kernel and modules (gcc -g), and is needed if you intend to use kernel crashdump or binary object tools like crash, kgdb, LKCD, gdb, etc on the kernel. - Say Y here only if you plan to debug the kernel. + + If you only want to have resolved symbols in kernel traces and + are not going to need support for those tools above, you don't need + to enable this as it is a huge bloat and build slowdown; + enable CONFIG_KALLSYMS instead. If unsure, say N. -- 1.8.5.2.192.g7794a68