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Date: Fri, 12 Feb 2010 17:19:18 -0500 From: Don Zickus <dzickus@...hat.com> To: linux-kernel@...r.kernel.org Cc: Don Zickus <dzickus@...hat.com>, mingo@...e.hu, peterz@...radead.org, gorcunov@...il.com, aris@...hat.com Subject: [PATCH 1/4] nmi_watchdog: use a boolean config flag for compiling 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 <dzickus@...hat.com> --- 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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