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rcu: make rcu-stall debug printout more standard

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Impact: change debug printout

Change "RCU detected CPU stall" to "INFO: RCU detected CPU stall"
message, to make it easier for tools to pick up the warning.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-11-03 14:35:12 +01:00
parent 45beca08dd
commit be19ef82e0
1 changed files with 2 additions and 2 deletions
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4
kernel/rcuclassic.c
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@ -191,7 +191,7 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp)
/* OK, time to rat on our buddy... */ /* OK, time to rat on our buddy... */
printk(KERN_ERR "RCU detected CPU stalls:"); printk(KERN_ERR "INFO: RCU detected CPU stalls:");
for_each_possible_cpu(cpu) { for_each_possible_cpu(cpu) {
if (cpu_isset(cpu, rcp->cpumask)) if (cpu_isset(cpu, rcp->cpumask))
printk(" %d", cpu); printk(" %d", cpu);
@ -204,7 +204,7 @@ static void print_cpu_stall(struct rcu_ctrlblk *rcp)
{ {
unsigned long flags; unsigned long flags;
printk(KERN_ERR "RCU detected CPU %d stall (t=%lu/%lu jiffies)\n", printk(KERN_ERR "INFO: RCU detected CPU %d stall (t=%lu/%lu jiffies)\n",
smp_processor_id(), jiffies, smp_processor_id(), jiffies,
jiffies - rcp->gp_start); jiffies - rcp->gp_start);
dump_stack(); dump_stack();