Commit be19ef82 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

rcu: make rcu-stall debug printout more standard 



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: default avatarIngo Molnar <mingo@elte.hu>
parent 45beca08

kernel/rcuclassic.c

+2 −2
Original line number Diff line number Diff line
@@ -191,7 +191,7 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) 


	/* 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) {

		if (cpu_isset(cpu, rcp->cpumask))

			printk(" %d", cpu);
@@ -204,7 +204,7 @@ static void print_cpu_stall(struct rcu_ctrlblk *rcp) 
{

	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,

			jiffies - rcp->gp_start);

	dump_stack();