lib/Kconfig.debug: adjust hard-lockup related Kconfig options
The main option should not appear in the resulting .config when the dependencies aren't met (i.e. use "depends on" rather than directly setting the default from the combined dependency values). The sub-options should depend on the main option rather than a more generic higher level one. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Don Zickus <dzickus@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 5 additions and 4 deletions
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@ -196,12 +196,13 @@ config LOCKUP_DETECTOR
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thresholds can be controlled through the sysctl watchdog_thresh.
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config HARDLOCKUP_DETECTOR
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def_bool LOCKUP_DETECTOR && PERF_EVENTS && HAVE_PERF_EVENTS_NMI && \
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!HAVE_NMI_WATCHDOG
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def_bool y
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depends on LOCKUP_DETECTOR && !HAVE_NMI_WATCHDOG
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depends on PERF_EVENTS && HAVE_PERF_EVENTS_NMI
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config BOOTPARAM_HARDLOCKUP_PANIC
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bool "Panic (Reboot) On Hard Lockups"
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depends on LOCKUP_DETECTOR
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depends on HARDLOCKUP_DETECTOR
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help
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Say Y here to enable the kernel to panic on "hard lockups",
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which are bugs that cause the kernel to loop in kernel
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@ -212,7 +213,7 @@ config BOOTPARAM_HARDLOCKUP_PANIC
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config BOOTPARAM_HARDLOCKUP_PANIC_VALUE
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int
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depends on LOCKUP_DETECTOR
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depends on HARDLOCKUP_DETECTOR
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range 0 1
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default 0 if !BOOTPARAM_HARDLOCKUP_PANIC
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default 1 if BOOTPARAM_HARDLOCKUP_PANIC
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