summaryrefslogtreecommitdiff
path: root/arch/i386/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386/kernel')
-rw-r--r--arch/i386/kernel/cpu/perfctr-watchdog.c6
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 2b04c8f1db6..8343244b72c 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))) {