Commit d404ab0a authored by Olaf Hering's avatar Olaf Hering Committed by Linus Torvalds
Browse files

move x86 specific oops=panic to generic code 



The oops=panic cmdline option is not x86 specific, move it to generic code.
Update documentation.

Signed-off-by: default avatarOlaf Hering <olaf@aepfle.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b2595142

Documentation/kernel-parameters.txt

+5 −0
Original line number Diff line number Diff line
@@ -1825,6 +1825,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 
				perfmon on Intel CPUs instead of the

				CPU specific event set.



	oops=panic	Always panic on oopses. Default is to just kill the process,

			but there is a small probability of deadlocking the machine.

			This will also cause panics on machine check exceptions.

			Useful together with panic=30 to trigger a reboot.



	OSS		[HW,OSS]

			See Documentation/sound/oss/oss-parameters.txt

Documentation/x86/x86_64/boot-options.txt

+0 −5
Original line number Diff line number Diff line
@@ -293,11 +293,6 @@ IOMMU (input/output memory management unit) 


Debugging



  oops=panic	Always panic on oopses. Default is to just kill the process,

		but there is a small probability of deadlocking the machine.

		This will also cause panics on machine check exceptions.

		Useful together with panic=30 to trigger a reboot.



  kstack=N	Print N words from the kernel stack in oops dumps.



  pagefaulttrace  Dump all page faults. Only useful for extreme debugging

arch/x86/kernel/dumpstack.c

+0 −10
Original line number Diff line number Diff line
@@ -322,16 +322,6 @@ void die(const char *str, struct pt_regs *regs, long err) 
	oops_end(flags, regs, sig);

}



static int __init oops_setup(char *s)

{

	if (!s)

		return -EINVAL;

	if (!strcmp(s, "panic"))

		panic_on_oops = 1;

	return 0;

}

early_param("oops", oops_setup);



static int __init kstack_setup(char *s)

{

	if (!s)

kernel/panic.c

+10 −0
Original line number Diff line number Diff line
@@ -433,3 +433,13 @@ EXPORT_SYMBOL(__stack_chk_fail); 


core_param(panic, panic_timeout, int, 0644);

core_param(pause_on_oops, pause_on_oops, int, 0644);



static int __init oops_setup(char *s)

{

	if (!s)

		return -EINVAL;

	if (!strcmp(s, "panic"))

		panic_on_oops = 1;

	return 0;

}

early_param("oops", oops_setup);

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