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genirq: Make the cpuhotplug migration code less noisy 

The original arm code has a pr_debug() statement for the case where
the irq chip has no set_affinity() callback. That's sufficient for
debugging and we really don't want to spam dmesg with useless warnings
for the normal case.

Fixes: f1e0bb0ad473: "genirq: Introduce generic irq migration for cpu hotunplug"
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Requested-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
This commit is contained in:
Thomas Gleixner 2015-10-22 14:34:57 +02:00
parent f1e0bb0ad4
commit 58c9c87ca9
1 changed files with 1 additions and 1 deletions
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2
kernel/irq/cpuhotplug.c
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@ -36,7 +36,7 @@ static bool migrate_one_irq(struct irq_desc *desc)
c = irq_data_get_irq_chip(d);
if (!c->irq_set_affinity) {
pr_warn_ratelimited("IRQ%u: unable to set affinity\n", d->irq);
pr_debug("IRQ%u: unable to set affinity\n", d->irq);
} else {
int r = irq_do_set_affinity(d, affinity, false);
if (r)