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[PATCH] panic_on_oops: remove ssleep()

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This patch is part of an effort to unify the panic_on_oops behaviour across
all architectures that implement it.

It was pointed out to me by Andi Kleen that if an oops has occured in
interrupt context, then calling sleep() in the oops path will only cause a
panic, and that it would be really better for it not to be in the path at
all.

This patch removes the ssleep() call and reworks the console message
accordinly.  I have a slght concern that the resulting console message is
too long, feedback welcome.

For powerpc it also unifies the 32bit and 64bit behaviour.

Fror x86_64, this patch only updates the console message, as ssleep() is
already not present.

Signed-off-by: Horms <[email protected]>
Acked-by: Paul Mackerras <[email protected]>
Cc: Russell King <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Chris Zankel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Horms 2006-07-30 03:03:34 -07:00 • committed by Linus Torvalds
commit cea6a4ba8a
6 changed files with 14 additions and 28 deletions
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8
arch/xtensa/kernel/traps.c
View file

@ -487,11 +487,9 @@ void die(const char * str, struct pt_regs * regs, long err)
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops) {
printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n");
ssleep(5);
panic("Fatal exception");
}
if (panic_on_oops)
panic("Fatal exception: panic_on_oops");
do_exit(err);
}