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move x86 specific oops=panic to generic code

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

Signed-off-by: Olaf 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Olaf Hering 2011-03-22 16:34:04 -07:00 committed by Linus Torvalds
parent b259514282
commit d404ab0a11
4 changed files with 15 additions and 15 deletions
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5
Documentation/kernel-parameters.txt
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@ -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

5
Documentation/x86/x86_64/boot-options.txt
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@ -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

10
arch/x86/kernel/dumpstack.c
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@ -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)

10
kernel/panic.c
View File

@ -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);