diff options
Diffstat (limited to 'kernel/softirq.c')
-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 82e32aadedd8..1cf1e2f2c406 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c | |||
@@ -205,7 +205,18 @@ restart: | |||
205 | 205 | ||
206 | do { | 206 | do { |
207 | if (pending & 1) { | 207 | if (pending & 1) { |
208 | int prev_count = preempt_count(); | ||
209 | |||
208 | h->action(h); | 210 | h->action(h); |
211 | |||
212 | if (unlikely(prev_count != preempt_count())) { | ||
213 | printk(KERN_ERR "huh, entered sotfirq %ld %p" | ||
214 | "with preempt_count %08x," | ||
215 | " exited with %08x?\n", h - softirq_vec, | ||
216 | h->action, prev_count, preempt_count()); | ||
217 | preempt_count() = prev_count; | ||
218 | } | ||
219 | |||
209 | rcu_bh_qsctr_inc(cpu); | 220 | rcu_bh_qsctr_inc(cpu); |
210 | } | 221 | } |
211 | h++; | 222 | h++; |