diff options
| -rw-r--r-- | arch/i386/kernel/cpu/perfctr-watchdog.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/i386/kernel/cpu/perfctr-watchdog.c b/arch/i386/kernel/cpu/perfctr-watchdog.c index 2b04c8f1db62..8343244b72c4 100644 --- a/arch/i386/kernel/cpu/perfctr-watchdog.c +++ b/arch/i386/kernel/cpu/perfctr-watchdog.c @@ -614,6 +614,12 @@ int lapic_watchdog_init(unsigned nmi_hz) probe_nmi_watchdog(); if (!wd_ops) return -1; + + if (!wd_ops->reserve()) { + printk(KERN_ERR + "NMI watchdog: cannot reserve perfctrs\n"); + return -1; + } } if (!(wd_ops->setup(nmi_hz))) { |