Messages in this thread Patch in this message | | | Date | Fri, 6 Jun 2008 03:27:41 +0100 (BST) | From | "Maciej W. Rozycki" <> | Subject | [PATCH 1/5] x86: NMI watchdog: Downgrade helper |
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A downgrade helper for the NMI watchdog to be used in all places where the I/O APIC watchdog may have been requested, but the I/O APIC is found not to be there or meant to be left disabled. This is so that the reconfiguration is cosistent and defined in a single place only.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> --- patch-2.6.26-rc1-20080505-nmiwd-local-0 diff -up --recursive --new-file linux-2.6.26-rc1-20080505.macro/include/asm-x86/nmi.h linux-2.6.26-rc1-20080505/include/asm-x86/nmi.h --- linux-2.6.26-rc1-20080505.macro/include/asm-x86/nmi.h 2008-05-05 02:55:57.000000000 +0000 +++ linux-2.6.26-rc1-20080505/include/asm-x86/nmi.h 2008-06-05 19:56:30.000000000 +0000 @@ -78,6 +78,11 @@ extern int unknown_nmi_panic; void __trigger_all_cpu_backtrace(void); #define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() +static inline void localise_nmi_watchdog(void) +{ + if (nmi_watchdog == NMI_IO_APIC) + nmi_watchdog = NMI_LOCAL_APIC; +} #endif void lapic_watchdog_stop(void);
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