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Commit 5abbcf29 authored by Marcin Slusarz's avatar Marcin Slusarz Committed by Ingo Molnar
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x86, documentation: nmi_watchdog=2 works on x86_64 



Signed-off-by: default avatarMarcin Slusarz <marcin.slusarz@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 25e59881

Documentation/nmi_watchdog.txt

+1 −2
Original line number Diff line number Diff line
@@ -23,8 +23,7 @@ kernel debugging options, such as Kernel Stack Meter or Kernel Tracer, 
may implicitly disable the NMI watchdog.]



For x86-64, the needed APIC is always compiled in, and the NMI watchdog is

always enabled with I/O-APIC mode (nmi_watchdog=1). Currently, local APIC

mode (nmi_watchdog=2) does not work on x86-64.

always enabled with I/O-APIC mode (nmi_watchdog=1).



Using local APIC (nmi_watchdog=2) needs the first performance register, so

you can't use it for other purposes (such as high precision performance