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x86: nmi - nmi_watchdog boot param docs cleanup
Impact: documentation update 1) nmi_watchdog boot parameter is common to 32/64 bit modes. So move it from Documentation/x86/x86_64/boot-options.txt to Documentation/kernel-parameters.txt and integrate with. 2) Also fix [panic] keyword placement -- it ought to be at first position otherwise it will not be recognized. 3) Document lapic and ioapic keywords. Signed-off-by: Cyrill Gorcunov <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
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2 changed files with 14 additions and 12 deletions
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@ -79,17 +79,6 @@ Timing
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Report when timer interrupts are lost because some code turned off
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interrupts for too long.
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nmi_watchdog=NUMBER[,panic]
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NUMBER can be:
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0 don't use an NMI watchdog
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1 use the IO-APIC timer for the NMI watchdog
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2 use the local APIC for the NMI watchdog using a performance counter. Note
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This will use one performance counter and the local APIC's performance
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vector.
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When panic is specified panic when an NMI watchdog timeout occurs.
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This is useful when you use a panic=... timeout and need the box
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quickly up again.
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nohpet
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Don't use the HPET timer.
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