Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9bfb18392ef586467277fa25d8f3a7a93611f6df
Commit: 9bfb18392ef586467277fa25d8f3a7a93611f6df
Parent: 5ccac88eeb5659c716af8e695e2943509c80d172
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 18 20:05:09 2006 +0100
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Thu Dec 21 00:20:01 2006 -0800
[PATCH] workqueue: fix schedule_on_each_cpu()
fix the schedule_on_each_cpu() implementation: __queue_work() is now
stricter, hence set the work-pending bit before passing in the new work.
(found in the -rt tree, using Peter Zijlstra's files-lock scalability
patchset)
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/workqueue.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 742cbbe..180a8ce 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -637,9 +637,11 @@ int schedule_on_each_cpu(work_func_t func)
mutex_lock(&workqueue_mutex);
for_each_online_cpu(cpu) {
- INIT_WORK(per_cpu_ptr(works, cpu), func);
- __queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu),
- per_cpu_ptr(works, cpu));
+ struct work_struct *work = per_cpu_ptr(works, cpu);
+
+ INIT_WORK(work, func);
+ set_bit(WORK_STRUCT_PENDING, work_data_bits(work));
+ __queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu), work);
}
mutex_unlock(&workqueue_mutex);
flush_workqueue(keventd_wq);
-
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