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nmi_watchdog: Use a boolean config flag for compiling

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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@redhat.com>
Cc: peterz@infradead.org
Cc: gorcunov@gmail.com
Cc: aris@redhat.com
LKML-Reference: <1266013161-31197-1-git-send-email-dzickus@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Don Zickus
2010-02-12 17:19:18 -05:00
committed by Ingo Molnar
parent 8e7672cdb4
commit c3128fb6ad
3 changed files with 7 additions and 2 deletions
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lib/Kconfig.debug
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@@ -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