Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756165Ab0BLWUx (ORCPT ); Fri, 12 Feb 2010 17:20:53 -0500 Received: from mx1.redhat.com ([209.132.183.28]:21820 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755802Ab0BLWUu (ORCPT ); Fri, 12 Feb 2010 17:20:50 -0500 From: Don Zickus To: linux-kernel@vger.kernel.org Cc: Don Zickus , mingo@elte.hu, peterz@infradead.org, gorcunov@gmail.com, aris@redhat.com Subject: [PATCH 1/4] nmi_watchdog: use a boolean config flag for compiling Date: Fri, 12 Feb 2010 17:19:18 -0500 Message-Id: <1266013161-31197-1-git-send-email-dzickus@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1737 Lines: 60 Determines if an arch has setup arch specific perf_events and nmi_watchdog code. This should restrict compiles to only those arches ready. Signed-off-by: Don Zickus --- arch/x86/Kconfig | 1 + init/Kconfig | 5 +++++ lib/Kconfig.debug | 3 +-- 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index cbcbfde..4f9685f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -52,6 +52,7 @@ config X86 select HAVE_KERNEL_LZO select HAVE_HW_BREAKPOINT select PERF_EVENTS + select PERF_EVENTS_NMI select ANON_INODES select HAVE_ARCH_KMEMCHECK select HAVE_USER_RETURN_NOTIFIER diff --git a/init/Kconfig b/init/Kconfig index ada4844..7331a16 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -946,6 +946,11 @@ config PERF_USE_VMALLOC help See tools/perf/design.txt for details +config PERF_EVENTS_NMI + bool + help + Arch has support for nmi_watchdog + menu "Kernel Performance Events And Counters" config PERF_EVENTS diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index acef882..01a4d85 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -172,8 +172,7 @@ config DETECT_SOFTLOCKUP config NMI_WATCHDOG bool "Detect Hard Lockups with an NMI Watchdog" - depends on DEBUG_KERNEL && PERF_EVENTS - depends on X86 + depends on DEBUG_KERNEL && PERF_EVENTS && PERF_EVENTS_NMI default y help Say Y here to enable the kernel to use the NMI as a watchdog -- 1.6.6.83.gc9a2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/