From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757549AbcHCPKM (ORCPT ); Wed, 3 Aug 2016 11:10:12 -0400 Received: from userp1050.oracle.com ([156.151.31.82]:51445 "EHLO userp1050.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755878AbcHCPKI (ORCPT ); Wed, 3 Aug 2016 11:10:08 -0400 From: Vegard Nossum To: Akinobu Mita , Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, Vegard Nossum Subject: [PATCH 03/10] fault injection: allow FAULT_INJECTION_STACKTRACE_FILTER on X86_64 Date: Wed, 3 Aug 2016 17:05:48 +0200 Message-Id: <1470236755-29844-3-git-send-email-vegard.nossum@oracle.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1470236755-29844-1-git-send-email-vegard.nossum@oracle.com> References: <1470236755-29844-1-git-send-email-vegard.nossum@oracle.com> X-Source-IP: userp1040.oracle.com [156.151.31.81] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This config option was apparently disallowed on x86_64 because of problems with the stack unwinder: commit 6d690dcac92a84f98fd774862628ff871b713660 Author: Akinobu Mita Date: Sat May 12 10:36:53 2007 -0700 fault injection: disable stacktrace filter for x86-64 However, I observe no problems whatsoever with this today and in fact it's been very useful for debugging. Let's allow it again. Cc: Akinobu Mita Signed-off-by: Vegard Nossum --- lib/Kconfig.debug | 1 - 1 file changed, 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 6baa522..5896b6f 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1666,7 +1666,6 @@ config FAULT_INJECTION_DEBUG_FS config FAULT_INJECTION_STACKTRACE_FILTER bool "stacktrace filter for fault-injection capabilities" depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT - depends on !X86_64 select STACKTRACE select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC && !SCORE help -- 1.9.1