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authorThomas Gleixner <tglx@linutronix.de>2011-02-19 12:56:36 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-19 12:56:43 +0100
commit218502bfe674f570205367b9094048207b04ba15 (patch)
treec6187b97e7c79d902aef08f049e9fba04c421d56 /kernel/watchdog.c
parent51327ada7142ab520ed610a42572d1f4cbfbb2dc (diff)
parent6d83f94db95cfe65d2a6359cccdf61cf087c2598 (diff)
Merge branch 'irq/urgent' into irq/core
Reason: Further patches are conflicting with mainline fixes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/watchdog.c')
-rw-r--r--kernel/watchdog.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index f37f974aa81..18bb15776c5 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -363,8 +363,14 @@ static int watchdog_nmi_enable(int cpu)
goto out_save;
}
- printk(KERN_ERR "NMI watchdog disabled for cpu%i: unable to create perf event: %ld\n",
- cpu, PTR_ERR(event));
+
+ /* vary the KERN level based on the returned errno */
+ if (PTR_ERR(event) == -EOPNOTSUPP)
+ printk(KERN_INFO "NMI watchdog disabled (cpu%i): not supported (no LAPIC?)\n", cpu);
+ else if (PTR_ERR(event) == -ENOENT)
+ printk(KERN_WARNING "NMI watchdog disabled (cpu%i): hardware events not enabled\n", cpu);
+ else
+ printk(KERN_ERR "NMI watchdog disabled (cpu%i): unable to create perf event: %ld\n", cpu, PTR_ERR(event));
return PTR_ERR(event);
/* success path */