From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751098AbcBFA1h (ORCPT ); Fri, 5 Feb 2016 19:27:37 -0500 Received: from mail-pa0-f42.google.com ([209.85.220.42]:36097 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750757AbcBFA1g (ORCPT ); Fri, 5 Feb 2016 19:27:36 -0500 From: Yang Shi To: aryabinin@virtuozzo.com Cc: linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org, yang.shi@linaro.org Subject: [PATCH] ubsan: cosmetic fix to Kconfig text Date: Fri, 5 Feb 2016 16:05:13 -0800 Message-Id: <1454717113-5094-1-git-send-email-yang.shi@linaro.org> X-Mailer: git-send-email 2.0.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When enabling UBSAN_SANITIZE_ALL, the kernel image size gets increased significantly (~3x). So, it sounds better to have some note in Kconfig. And, fixed a typo. Signed-off-by: Yang Shi --- lib/Kconfig.ubsan | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan index 49518fb..e07c1ba 100644 --- a/lib/Kconfig.ubsan +++ b/lib/Kconfig.ubsan @@ -18,6 +18,8 @@ config UBSAN_SANITIZE_ALL This option activates instrumentation for the entire kernel. If you don't enable this option, you have to explicitly specify UBSAN_SANITIZE := y for the files/directories you want to check for UB. + Enabling this option will get kernel image size increased + significantly. config UBSAN_ALIGNMENT bool "Enable checking of pointers alignment" @@ -25,5 +27,5 @@ config UBSAN_ALIGNMENT default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS help This option enables detection of unaligned memory accesses. - Enabling this option on architectures that support unalligned + Enabling this option on architectures that support unaligned accesses may produce a lot of false positives. -- 2.0.2