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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: 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>
hifive-unleashed-5.1
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
View File

@ -1825,6 +1825,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
perfmon on Intel CPUs instead of the perfmon on Intel CPUs instead of the
CPU specific event set. 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] OSS [HW,OSS]
See Documentation/sound/oss/oss-parameters.txt 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 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. kstack=N Print N words from the kernel stack in oops dumps.
pagefaulttrace Dump all page faults. Only useful for extreme debugging 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); 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) static int __init kstack_setup(char *s)
{ {
if (!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(panic, panic_timeout, int, 0644);
core_param(pause_on_oops, pause_on_oops, 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);