genirq/cpuhotplug: Demote debug printk to KERN_DEBUG

This sort of information is only generally useful when debugging.
No need to have these sprinkled through the kernel log otherwise.

Real world problem:

  During pre-release testing these have an affect on performance on
  real products.  To the point where so much logging builds up, that
  it sets off the watchdog(s) on some high profile consumer devices.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210816134817.1503661-1-lee.jones@linaro.org

diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c
index 02236b13b359974e95a2e3ca4ec3f0cadfd0962a..39a41c56ad4fe1c97dfca19dced650b3ef215a8a 100644 (file)
--- a/kernel/irq/cpuhotplug.c
+++ b/kernel/irq/cpuhotplug.c
@@ -166,7 +166,7 @@ void irq_migrate_all_off_this_cpu(void)
                raw_spin_unlock(&desc->lock);
 
                if (affinity_broken) {
-                       pr_warn_ratelimited("IRQ %u: no longer affine to CPU%u\n",
+                       pr_debug_ratelimited("IRQ %u: no longer affine to CPU%u\n",
                                            irq, smp_processor_id());
                }
        }