Messages in this thread Patch in this message | | | Date | Mon, 20 Apr 2009 14:59:36 +0800 | From | Zhaolei <> | Subject | [PATCH 2/4] trace_workqueue: Remove cpu_workqueue_stats->first_entry |
| |
cpu_workqueue_stats->first_entry is useless because we can judge header of cpu workqueue by: if (&cpu_workqueue_stats->list == workqueue_cpu_stat(cpu)->list.next)
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> --- kernel/trace/trace_workqueue.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c index 934b27c..f52db53 100644 --- a/kernel/trace/trace_workqueue.c +++ b/kernel/trace/trace_workqueue.c @@ -16,8 +16,6 @@ /* A cpu workqueue thread */ struct cpu_workqueue_stats { struct list_head list; -/* Useful to know if we print the cpu headers */ - bool first_entry; int cpu; pid_t pid; /* Can be inserted from interrupt or user context, need to be atomic */ @@ -103,8 +101,6 @@ static void probe_workqueue_creation(struct task_struct *wq_thread, int cpu) cws->pid = wq_thread->pid; spin_lock_irqsave(&workqueue_cpu_stat(cpu)->lock, flags); - if (list_empty(&workqueue_cpu_stat(cpu)->list)) - cws->first_entry = true; list_add_tail(&cws->list, &workqueue_cpu_stat(cpu)->list); spin_unlock_irqrestore(&workqueue_cpu_stat(cpu)->lock, flags); } -- 1.5.5.3
| |