diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/softirq.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index 82e32aadedd..1cf1e2f2c40 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -205,7 +205,18 @@ restart: do { if (pending & 1) { + int prev_count = preempt_count(); + h->action(h); + + if (unlikely(prev_count != preempt_count())) { + printk(KERN_ERR "huh, entered sotfirq %ld %p" + "with preempt_count %08x," + " exited with %08x?\n", h - softirq_vec, + h->action, prev_count, preempt_count()); + preempt_count() = prev_count; + } + rcu_bh_qsctr_inc(cpu); } h++; |