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panic: Make panic_on_oops configurable
Several distros set this by default by patching panic_on_oops. It seems to fit with the BOOTPARAM_{HARD,SOFT}_PANIC options though, so let's add a Kconfig entry and reduce some more upstream delta. Signed-off-by: Kyle McMartin <kyle@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20120411121529.GH26688@redacted.bos.redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -27,7 +27,7 @@
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#define PANIC_TIMER_STEP 100
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#define PANIC_BLINK_SPD 18
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int panic_on_oops;
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int panic_on_oops = CONFIG_PANIC_ON_OOPS_VALUE;
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static unsigned long tainted_mask;
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static int pause_on_oops;
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static int pause_on_oops_flag;
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@ -228,6 +228,26 @@ config BOOTPARAM_SOFTLOCKUP_PANIC_VALUE
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default 0 if !BOOTPARAM_SOFTLOCKUP_PANIC
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default 1 if BOOTPARAM_SOFTLOCKUP_PANIC
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config PANIC_ON_OOPS
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bool "Panic on Oops" if EXPERT
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default n
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help
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Say Y here to enable the kernel to panic when it oopses. This
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has the same effect as setting oops=panic on the kernel command
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line.
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This feature is useful to ensure that the kernel does not do
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anything erroneous after an oops which could result in data
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corruption or other issues.
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Say N if unsure.
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config PANIC_ON_OOPS_VALUE
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int
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range 0 1
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default 0 if !PANIC_ON_OOPS
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default 1 if PANIC_ON_OOPS
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config DETECT_HUNG_TASK
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bool "Detect Hung Tasks"
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depends on DEBUG_KERNEL
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