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Diffstat (limited to 'kernel/softirq.c')
-rw-r--r--kernel/softirq.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 8cdb98847c7b..479e4436f787 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -114,8 +114,12 @@ void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
trace_softirqs_off(ip);
raw_local_irq_restore(flags);
- if (preempt_count() == cnt)
+ if (preempt_count() == cnt) {
+#ifdef CONFIG_DEBUG_PREEMPT
+ current->preempt_disable_ip = get_parent_ip(CALLER_ADDR1);
+#endif
trace_preempt_off(CALLER_ADDR0, get_parent_ip(CALLER_ADDR1));
+ }
}
EXPORT_SYMBOL(__local_bh_disable_ip);
#endif /* CONFIG_TRACE_IRQFLAGS */