diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-10-23 14:05:43 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-10-23 14:05:43 -0400 |
commit | b8ecad8b2f8757d51632b1ea6d602c1f7b9760a2 (patch) | |
tree | 5a03029dbf02df606fa48a82525eb321e59b5c33 /kernel/softirq.c | |
parent | eea4a0b19a2719e3e23b5450dd9fbe97789d2a57 (diff) | |
parent | 8bfb5e7d6a14b29cffddd113f4b0be7d9aafc1e8 (diff) |
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent
Diffstat (limited to 'kernel/softirq.c')
-rw-r--r-- | kernel/softirq.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index fc978889b194..e33fd71ed66a 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c | |||
@@ -229,18 +229,20 @@ restart: | |||
229 | 229 | ||
230 | do { | 230 | do { |
231 | if (pending & 1) { | 231 | if (pending & 1) { |
232 | unsigned int vec_nr = h - softirq_vec; | ||
232 | int prev_count = preempt_count(); | 233 | int prev_count = preempt_count(); |
233 | kstat_incr_softirqs_this_cpu(h - softirq_vec); | ||
234 | 234 | ||
235 | trace_softirq_entry(h, softirq_vec); | 235 | kstat_incr_softirqs_this_cpu(vec_nr); |
236 | |||
237 | trace_softirq_entry(vec_nr); | ||
236 | h->action(h); | 238 | h->action(h); |
237 | trace_softirq_exit(h, softirq_vec); | 239 | trace_softirq_exit(vec_nr); |
238 | if (unlikely(prev_count != preempt_count())) { | 240 | if (unlikely(prev_count != preempt_count())) { |
239 | printk(KERN_ERR "huh, entered softirq %td %s %p" | 241 | printk(KERN_ERR "huh, entered softirq %u %s %p" |
240 | "with preempt_count %08x," | 242 | "with preempt_count %08x," |
241 | " exited with %08x?\n", h - softirq_vec, | 243 | " exited with %08x?\n", vec_nr, |
242 | softirq_to_name[h - softirq_vec], | 244 | softirq_to_name[vec_nr], h->action, |
243 | h->action, prev_count, preempt_count()); | 245 | prev_count, preempt_count()); |
244 | preempt_count() = prev_count; | 246 | preempt_count() = prev_count; |
245 | } | 247 | } |
246 | 248 | ||