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[IA64] Make ia64 die() preempt safe

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Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
2005-07-01 23:27:00 -07:00 committed by Tony Luck
parent 67d340f440
commit af25e94d4d
1 changed files with 4 additions and 2 deletions
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6
arch/ia64/kernel/traps.c
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@ -90,14 +90,16 @@ die (const char *str, struct pt_regs *regs, long err)
.lock_owner_depth = 0
};
static int die_counter;
int cpu = get_cpu();
if (die.lock_owner != smp_processor_id()) {
if (die.lock_owner != cpu) {
console_verbose();
spin_lock_irq(&die.lock);
die.lock_owner = smp_processor_id();
die.lock_owner = cpu;
die.lock_owner_depth = 0;
bust_spinlocks(1);
}
put_cpu();
if (++die.lock_owner_depth < 3) {
printk("%s[%d]: %s %ld [%d]\n",