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[PARISC] detect recursive kernel crash earlier

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Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Helge Deller
2007-01-07 16:27:27 +01:00
committed by Kyle McMartin
parent 6e16d9409e
commit 0bbdac0897
1 changed files with 9 additions and 9 deletions
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18
arch/parisc/kernel/traps.c
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@@ -255,8 +255,16 @@ KERN_CRIT " || ||\n");
printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n", printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
current->comm, current->pid, str, err); current->comm, current->pid, str, err);
dump_stack(); /* Wot's wrong wif bein' racy? */
if (current->thread.flags & PARISC_KERNEL_DEATH) {
printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
local_irq_enable();
while (1);
}
current->thread.flags |= PARISC_KERNEL_DEATH;
show_regs(regs); show_regs(regs);
dump_stack();
if (in_interrupt()) if (in_interrupt())
panic("Fatal exception in interrupt"); panic("Fatal exception in interrupt");
@@ -267,14 +275,6 @@ KERN_CRIT " || ||\n");
panic("Fatal exception"); panic("Fatal exception");
} }
/* Wot's wrong wif bein' racy? */
if (current->thread.flags & PARISC_KERNEL_DEATH) {
printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__);
local_irq_enable();
while (1);
}
current->thread.flags |= PARISC_KERNEL_DEATH;
do_exit(SIGSEGV); do_exit(SIGSEGV);
} }